Anterior tendon. Medical search. Frequent questions

Anterior Achilles tendon bursitis is inflammation of the retrocalcaneal bursa, located anterior (deep) to the attachment of the Achilles tendon to the calcaneus. (msdmanuals.com)
Normally, only one bursa is in the heel, between the Achilles tendon and the calcaneus. (msdmanuals.com)
This bursa may become inflamed, swollen, and painful, resulting in anterior Achilles tendon bursitis. (msdmanuals.com)
Initially, the swelling is localized anterior to the Achilles tendon but in time extends medially and laterally. (msdmanuals.com)
Fracture of the posterolateral talar tubercle usually causes tenderness anterior to the insertion of the Achilles tendon. (msdmanuals.com)
Also, using the thumb and index finger, compressing side-to-side anterior to the Achilles tendon causes pain. (msdmanuals.com)
This study aimed to examine the effect of training-induced stiffening of the Achilles tendon on triceps surae muscle-tendon behavior during a landing task. (frontiersin.org)
Before and after the training period, plantarflexion force, peak Achilles tendon strain and stiffness were measured during isometric contractions, using a combination of dynamometry, ultrasound and kinematics data. (frontiersin.org)
Additionally, testing included a step-landing task, during which joint mechanics and lengths of gastrocnemius and soleus fascicles, Achilles tendon, and MTU were determined using synchronized ultrasound, kinematics and kinetics data collection. (frontiersin.org)
After training, plantarflexion strength and Achilles tendon stiffness increased (15 and 18%, respectively), and tendon strain during landing remained similar. (frontiersin.org)
In humans, several studies have demonstrated a stiffening of the Achilles tendon after various types of resistance training (e.g. (frontiersin.org)
We aimed to determine whether there are different changes in Achilles tendon (AT) mechanical properties in middle-aged, compared to younger runners that might indicate that tendon fatigue, induced by long-distance running, is age-dependent. (springer.com)
Farris DJ, Trewartha G, McGuigan MP (2012) The effects of a 30-min run on the mechanics of the human Achilles tendon. (springer.com)
Farris DJ, Trewartha G, McGuigan MP, Lichtwark GA (2013) Differential strain patterns of the human Achilles tendon determined in vivo with freehand three-dimensional ultrasound imaging. (springer.com)
New evidence from the Animal Simulation Laboratory (ASL) out of the University of Manchester, UK, suggest that our Achilles tendon is the key feature that allows us to be efficient running machines. (isgtw.org)
The Achilles tendon has long been believed to be a key structure in allowing us to run efficiently, acting like a spring to store and release energy. (isgtw.org)
By altering the elasticity in the tendons of their models, the experimenters were able to see that a tight Achilles would make running more exhausting and necessarily slower. (isgtw.org)
The most important elastic energy store on the human hind limb is the Achilles tendon: a feature that is at best weakly expressed among the African great apes. (isgtw.org)
In vivo, Achilles tendon strain is typically determined by measuring the tendon length change during muscle contractions relative to its slack length by tracking the myotendinous junction displacement relative to the tendon's insertion point using ultrasound 16 . (nature.com)
Single-bundle Achilles tendon allografts were used for both ACL and PCL reconstructions, with an arthroscopic, trans-tibial PCL technique. (medscape.com)
with a single Achilles tendon allograft (Figure 2). (medscape.com)
[ 2 ] The bone plug of the Achilles was inserted in the popliteus origin at the anterior aspect of the popliteus sulcus. (medscape.com)
Lateral side reconstruction using a single Achilles tendon allograft. (medscape.com)

The 2 most widely used grafts are the hamstring tendon and patellar tendon. (nih.gov)
In this study, we hypothesized that the revision rate after primary ACLR is greater when using hamstring tendon grafts compared with patellar tendon grafts. (nih.gov)
The use of hamstring tendon grafts increased from 68% in 2005 to 85% in 2011. (nih.gov)
The cumulative revision rates for hamstring tendon grafts at 1 and 5 years were 0.65% (95% confidence interval [CI], 0.51%-0.82%) and 4.45% (95% CI, 3.94%-5.01%), respectively. (nih.gov)
For patellar tendon grafts, the revision rate was 0.16% (95% CI, 0.05%-0.50%) at 1 year and 3.03% (95% CI, 2.27%-4.05%) at 5 years. (nih.gov)
In this population-based study, the use of hamstring tendon grafts in ACLR was associated with an increased risk of revision compared with patellar tendon grafts, in particular during the first year after surgery. (nih.gov)
These results demonstrate that both hamstring and patellar tendon grafts reveal good results after ACLR and suggest that graft selection should be based on an individual evaluation of patient demands and graft morbidity. (nih.gov)
In this technique, bone tunnels are made at the anatomic origin and insertion points of the ligament, and tendon grafts are then introduced and fixed. (biomedcentral.com)
A systematic review of the existing literature was performed on the topic of tendon remodelling of hamstring grafts in ACL reconstruction using Medline database. (rpajanssen.nl)
Background: In an effort to improve the strength and stiffness of anterior cruciate ligament grafts, several authors have advocated alterations of graft structure and orientation, including braiding the tendons in hamstring tendon grafts. (johnshopkins.edu)
Methods: Sixteen hamstring tendon and 21 bone-patellar tendon-bone grafts were harvested from 12 cadavers and divided into three groups: 1) braided four-strand hamstring tendon, 2) unbraided four-strand hamstring tendon, and 3) bone-patellar tendon-bone. (johnshopkins.edu)
There was a 20% decrement in hamstring tendon graft tensile strength and a 45% decrease in stiffness after braiding because of the suboptimal multidirectional orientation of individual tendons within the braided grafts. (johnshopkins.edu)
Conclusions: In vitro braided hamstring tendon grafts demonstrated mechanically inferior strength and stiffness characteristics compared with unbraided hamstring tendon grafts and patellar tendon grafts. (johnshopkins.edu)
Clinical Relevance: Braiding of hamstring tendon grafts provides no mechanical advantage in anterior cruciate ligament reconstruction. (johnshopkins.edu)
Purpose: The purpose of this study was to assess the clinical results of anatomic double-bundle anterior cruciate ligament (ACL) reconstruction by use of bone-patellar tendon-bone and gracilis tendon (BPTB-G) grafts and to compare them with the results of double-bundle ACL reconstruction by use of semitendinosus tendon (ST) or semitendinosus-gracilis tendon (ST-G) grafts, with particular emphasis on the postoperative incidence of anterior knee pain. (elsevierpure.com)
Conclusions: Clinical results including the incidence of anterior knee pain 2 years after anatomic double-bundle ACL reconstruction with BPTB-G grafts were comparable to those after ACL reconstruction with ST or ST-G grafts. (elsevierpure.com)

Lateral plain radiograph of a flat foot resulting from long-standing tibialis posterior tendon rupture. (medscape.com)
With a tendon rupture extending through the medial and lateral retinacula, active extension is completely lost, and the patient is unable to maintain the passively extended knee against gravity. (medscape.com)
Macagnan M, Patellar tendon lateral femoral condyle friction syndrome. (radiopaedia.org)
Diagram showing the individual muscles used in the reconstruction from an anterior and lateral view. (isgtw.org)
and, ascending obliquely in a lateral direction, is inserted into the anterior tubercles of the transverse processes of the fifth and sixth cervical vertebræ. (theodora.com)
It arises from the anterior surface of the lateral mass of the atlas, and from the root of its transverse process, and passing obliquely upward and medialward, is inserted into the inferior surface of the basilar part of the occipital bone immediately in front of the foramen magnum. (theodora.com)
The structures of the posterior lateral corner were torn, including the fibular collateral ligament and popliteus tendon (Figure 1). (medscape.com)
this is accomplished by monitoring pressure centre shifts in lateral and anterior-posterior directions. (bvsalud.org)

Reconstruction of the anterior cruciate ligament: Meta-analysis of patellar tendon versus hamstring tendon autograft. (ac.ir)
Li S, Chen Y, Lin Z, Cui W, Zhao J, Su W. A systematic review of randomized controlled clinical trials comparing hamstring autografts versus bone-patellar tendon-bone autografts for the reconstruction of the anterior cruciate ligament. (ac.ir)

The purpose of the study was to compare the outcome of revision anterior cruciate ligament (ACL) reconstruction by the double-bundle (DB) technique using multi-strand semitendinosus tendon with that of primary reconstruction by use of the same technique. (nih.gov)
The choice of graft for anterior cruciate ligament reconstruction (ACLR) remains controversial, and despite numerous studies, there is still an ongoing debate on this topic. (nih.gov)
Also note the close anatomic relationship of the distal tendon, spring ligament, and distal deltoid ligament. (medscape.com)
Anterior cruciate ligament reconstruction using a quadriceps tendon autograft is a surgical procedure performed to replace a torn or damaged anterior cruciate ligament (ACL) of the knee with a part of the quadriceps tendon taken from your leg (autograft) to restore strength, stability, and function of the knee. (bradleysmithmd.com)
Anterior cruciate ligament is one of the major stabilizing ligaments in the knee. (bradleysmithmd.com)
Although anatomically reconstructed ligaments should behave in a biomechanically normal manner, previous studies have not measured the strain patterns of the anterior talofibular ligament (ATFL) and calcaneofibular ligament (CFL) after anatomical reconstruction. (biomedcentral.com)
In this study, the miniaturization ligament performance probe (MLPP) system [ 19 ] was used to determine the strain patterns in anatomically reconstructed anterior talofibular ligaments (ATFLs) and calcaneofibular ligaments (CFLs), and the strain patterns were compared with those of normal ATFL and CFL. (biomedcentral.com)
In the event of a torn anterior cruciate ligament, the patellar tendon can be used in the rehabilitation process. (wikipedia.org)
This patellar tendon method of reconstruction was traditionally the gold standard graft for anterior cruciate ligament reconstruction and is still one of the more preferred methods. (wikipedia.org)
Anatomic and Morphological Evaluation of the Quadriceps Tendon Using 3-Dimensional Magnetic Resonance Imaging Reconstruction Applications for Anterior Cruciate Ligament Autograft Choice and Procurement", published in American Journal for Sport Medicine. (iqti.org)
In this setting, it is also important to assess both the integrity of the meniscal cartilage with palpation of the joint line and the anterior cruciate ligament (ACL) with a Lachman test. (medscape.com)
A new stitch for ligament-tendon fixation. (medscape.com)
Rupture of the patellar ligament after use of its central third for anterior cruciate reconstruction. (medscape.com)
Hamstring graft tendon for anterior cruciate ligament (ACL) reconstruction is a common approach worldwide. (ac.ir)
Pinczewski LA, Lyman J, Salmon LJ, Russell VJ, Roe J, Linklater J. A 10-year comparison of anterior cruciate ligament reconstructions with hamstring tendon and patellar tendon autograft: A controlled, prospective trial. (ac.ir)
Tibial fixation in anterior cruciate ligament reconstruction: A prospective randomized study comparing metal interference screw and staples with a centrally placed polyethylene screw and sheath. (ac.ir)
Wagner M, Kääb MJ, Schallock J, Haas NP, Weiler A. Hamstring tendon versus patellar tendon anterior cruciate ligament reconstruction using biodegradable interference fit fixation: A prospective matched-group analysis. (ac.ir)
Novel insights into anterior cruciate ligament injury. (ac.ir)
Quadruple hamstring anterior cruciate ligament reconstruction: A multicenter study. (ac.ir)
A biomechanical comparison of initial fixation strength of 3 different methods of anterior cruciate ligament soft tissue graft tibial fixation: Resistance to monotonic and cyclic loading. (ac.ir)
Kousa P, Järvinen TL, Vihavainen M, Kannus P, Järvinen M. The fixation strength of six hamstring tendon graft fixation devices in anterior cruciate ligament reconstruction. (ac.ir)
Purpose: This study aimed to test whether graft healing in the tibial tunnel was inferior to that in the femoral tunnel after anterior cruciate ligament (ACL) reconstruction in rabbits. (edu.hk)
Background An athlete's intention to return to sport following anterior cruciate ligament (ACL) injury is a major indication for surgical intervention. (bmj.com)
The anterior cruciate ligament (ACL) plays an important role in maintaining knee-joint stability, primarily through limiting anterior tibial translation on the femur and restraining rotation, but also by resisting varus and valgus forces at the knee. (bmj.com)
Aim The Royal Dutch Society for Physical Therapy (KNGF) instructed a multidisciplinary group of Dutch anterior cruciate ligament (ACL) experts to develop an evidence statement for rehabilitation after ACL reconstruction. (bmj.com)
Anterior cruciate ligament reconstruction (ACLR) is a common treatment for athletes after ACL injury. (bmj.com)
Inclusion criteria: The patients diagnosed as anterior cruciate ligament injury aged 18-50 years old who scheduled for arthroscopic ACLR. (who.int)
Anterior cruciate ligament injury patients which underwent anterior cruciate ligament reconstruction surgery. (who.int)
The patient was taken to the operating room for anterior and posterior cruciate ligament as well as posterolateral corner reconstruction, including biceps tendon repair by one surgeon (RGM). (medscape.com)

Quadriceps tendon, located in the front of the thigh, attaches the quadriceps muscles to the patella (kneecap) and are responsible for straightening or extending the knee as well as flexing the hip. (bradleysmithmd.com)
Quadriceps tendon autograft is indicated for ACL reconstruction due to its several advantages over other traditional autografts such as patellar and hamstring tendons. (bradleysmithmd.com)
Your surgeon then makes an incision over the quadriceps tendon and removes the middle third of the quadriceps tendon, along with a bone plug from the upper end of the patella to prepare the new graft. (bradleysmithmd.com)
The patellar tendon is the distal portion of the common tendon of the quadriceps femoris, which is continued from the patella to the tibial tuberosity. (wikipedia.org)
its superficial fibers are continuous over the front of the patella with those of the tendon of the quadriceps femoris. (wikipedia.org)
The possibility of determining the length and volume of quadriceps tendon in magnetic resonance imaging, prior to the surgery also present a significant advantage to its application, when talking about all-inside reconstruction. (iqti.org)
Xerogeanes routinely conducts preoperative MRI measurement of the Quadriceps tendon at mid-sagittal plane, 3cm proximal to the superior pole of the patella as presented in the following description of the technique. (iqti.org)
The thickness of the quadriceps tendon graft can be measured by the thickness of the tendon at the midsagittal patella, 3 cm proximal to the proximal pole of the patella. (iqti.org)
The Arthrex quadriceps harvest knife is sharp on 3 sides and allows for either a "pull" or "push" technique for cutting the tendon. (iqti.org)
There are marks on the handle to indicate length.Once the desired length is stripped.The handle is squeezed, and the graft will be cut from the quadriceps tendon. (iqti.org)
Patellar and quadriceps tendon ruptures--jumper's knee. (medscape.com)
Multivariate logistic regression analyses showed that BPTB graft harvest and patellofemoral cartilage defect failed to be significant factors for anterior knee pain whereas quadriceps peak torque at 60°/s was the only significant factor for anterior knee pain at 2 years. (elsevierpure.com)

Tibialis posterior tendon (posterior tibial tendon) dysfunction presents one of the most challenging problems that a foot and ankle specialist faces (see the images below). (medscape.com)
Posterior tibial tendon dysfunction insufficiency is the most common cause of acquired flatfoot in adults. (medscape.com)
Many cases of posterior tibial tendon dysfunction may go undiagnosed. (medscape.com)
The tibialis posterior is, by far, the most frequently ruptured tendon in the rear foot, but injuries to this structure are often overlooked. (medscape.com)
MRI is frequently used in the evaluation and treatment of tibialis posterior tendon dysfunction and has been reported to have a sensitivity of up to 95%, with 100% specificity in tdetecting rupture of the tibialis posterior tendon. (medscape.com)
Thickening of the tibialis posterior tendon and peritendinous fluid are ultrasonographic characteristics of tibialis posterior tendon tenosynovitis. (medscape.com)
Ankle, tibialis posterior tendon injuries. (medscape.com)
this is caused by tibialis posterior tendon dysfunction. (medscape.com)
Image reveals the speckled internal signal intensity of the tibialis posterior tendon (open arrow). (medscape.com)
Drawing shows the relationship of the tibialis posterior tendon to the remainder of the tarsal tunnel. (medscape.com)
and PTT, tibialis posterior tendon. (medscape.com)
Drawing shows the complex insertions of the tibialis posterior tendon beneath the undersurface of the foot with the muscle dissected away. (medscape.com)
The posterior surface of the patellar tendon is separated from the synovial membrane of the joint by a large infrapatellar pad of fat, and from the tibia by a bursa. (wikipedia.org)
Christopher C. Schmidt, MD (Pittsburgh, PA), discusses key literature comparing benefits and outcomes between the anterior vs posterior approaches for distal biceps repair. (orthopedia.com)
The forearm can be divided anatomically into anterior and posterior compartments. (medscape.com)

Although the influence of different range of motions and muscle-tendon unit lengths has been investigated in pure stretch-hold experiments in vivo, the contribution to a SSC movement in human muscles remains unclear. (nature.com)
0.05) less depressed joint torque in the SSC at the longest muscle-tendon unit length compared to the corresponding SHO condition, without any differences in knee kinematics and fascicle behavior. (nature.com)
Therefore, the physiological relevance of rFE might be particularly important for movements at greater muscle-tendon unit lengths. (nature.com)
During rapid deceleration of the body, tendons buffer part of the elongation of the muscle-tendon unit (MTU), enabling safe energy dissipation via eccentric muscle contraction. (frontiersin.org)
tendons also act as mechanical buffers to accommodate rapid stretches of the muscle-tendon unit (MTU) and thus contribute to mechanical energy dissipation via lengthening contractions. (frontiersin.org)
Preload is typically applied to minimize the effects of the electromechanical delay, to guarantee maximal muscle activity and to reduce muscle-tendon unit (MTU) compliance. (nature.com)

The patellar tendon can be injured in a patellar tendon rupture. (wikipedia.org)
Because tendon does not regenerate fully in humans, there is a significant clinical need for research into therapies for patellar tendon rupture. (wikipedia.org)
The rupture may occur as a result of a degenerative change or a traumatic event where the ankle and foot are pulled down and outwards forcefully, which in turn maximally stretches the tendon, causing it to rupture. (brettchamernikmd.com)
In most instances, the history, the physical examination, and standard radiographs suffice for making a diagnosis of acute patellar tendon rupture. (medscape.com)
Tenderness exists along the anterior knee and retinacula, and a defect at the level of the rupture is usually palpable (see the image below), though significant swelling can make this difficult to appreciate initially. (medscape.com)
If the rupture involves only the tendon and the retinacular fibers remain intact, some extension is possible, though an extensor lag is noted. (medscape.com)
If the diagnosis of tendon rupture is delayed, scar tissue may obliterate what previously had been a palpable defect. (medscape.com)
Jabłoński JJ, Jarmuziewicz P, Drużbicki M. Reconstruction of chronic patellar tendon rupture with semitendinosus tendon: case report. (medscape.com)
Marder RA, Timmerman LA. Primary repair of patellar tendon rupture without augmentation. (medscape.com)
Kannus P, Józsa L. Histopathological changes preceding spontaneous rupture of a tendon. (medscape.com)
A traumatic graft rupture occurred within 2 years postoperatively in 5 patients (1 BPTB-G, 3 ST, and 1 ST-G). Clinical results and incidence and severity of anterior knee pain were assessed and compared among the 3 different graft groups at 2 years postoperatively. (elsevierpure.com)

The study included 21 patients who underwent revision ACL reconstruction (mean follow-up, 40 months) with the semitendinosus tendon DB technique between 1995 and 2006 and 86 unilateral primary DB ACL reconstructions (mean follow-up, 33 months) between 2000 and 2004. (nih.gov)
The semitendinosus tendon DB revision procedure provided range of motion and anterior stability comparable to those after primary DB surgery and a comparable return to athletic activities. (nih.gov)

Poolman RW, Farrokhyar F, Bhandari M. Cumulative meta-analysis and clinically relevant sensitivity analysis show evidence for hamstring tendon autograft superiority compared to bone patellar-tendon bone autograft in ACL reconstruction. (ac.ir)

The differences could be attributed to the existence of compliant tendon structures and increment of pennation angles related to elongation of tendon structures, suggesting that compliant tendon structures in human muscles influence the length-dependent force generation in both muscle fiber and MTC. (go.jp)
Tendons are bands of tough fibrous connective tissue that attach muscles to bones. (bradleysmithmd.com)
Anatomy figure: 15:01-04 at Human Anatomy Online, SUNY Downstate Medical Center - "Muscles of the anterior (extensor) compartment of the leg. (wikipedia.org)
The underlying muscles are carefully separated to expose the ruptured anterior tibialis tendon. (brettchamernikmd.com)
The models, powered by NW-GRID , created frames with the most important muscles, tendons and bones. (isgtw.org)
Accordingly, the amount of tendon compliance would therefore also influence estimated in vivo F-v-r, particularly in muscles with a large tendon-to-fascicle-length ratio such as the triceps surae 15 . (nature.com)
The Longus capitis and Rectus capitis anterior are the direct antagonists of the muscles at the back of the neck, serving to restore the head to its natural position after it has been drawn backward. (theodora.com)
[ 1 , 2 ] In the distal one third of the ankle, the nerve is located between the tibialis anterior and extensor hallucis longus muscles and is superficial to the anterior tibial artery. (medscape.com)
The flexor tendon system of the hand consists of the flexor muscles of the forearm, their tendinous extensions, and the specialized digital flexor sheaths. (medscape.com)
The anterior compartment contains the flexor-pronator group of muscles, most of which arise from a common flexor attachment on the medial epicondyle of the humerus. (medscape.com)
The 8 muscles of the anterior compartment may be divided further into 3 distinct functional groups, as follows: (1) muscles that rotate the radius on the ulna, (2) muscles that flex the wrist, and (3) muscles that flex the digits. (medscape.com)
Thus, the neural information from the joints, muscles, tendons, ligaments and capsules are recognized through afferent pathways of the central nervous system (CNS), either consciously or unconsciously influencing muscle tone, motor programs, coordination, muscle reflexes, joint stability and postural balance. (bvsalud.org)

Hypothesis: Braiding hamstring tendons does not increase graft strength and stiffness. (johnshopkins.edu)
4 When surgical reconstruction is performed, typically a graft is harvested from the patient's patellar or hamstring tendons and is inserted into femoral and tibial bone tunnels to replicate the native ACL. (bmj.com)

tibial tendon dysfunction. (coursehero.com)

Anterior tibialis tendon repair is a surgery performed to repair a torn or ruptured anterior tibialis tendon. (brettchamernikmd.com)
The main objective of the anterior tibialis tendon repair is to reduce pain, correct foot deformity, and restore the normal ankle and foot function and walking pattern by reattaching the torn tendon to its normal anatomical position. (brettchamernikmd.com)

In addition to having technical expertise, experienced hand surgeons must have precise knowledge of flexor tendon anatomy to guide appropriate treatment of injuries to the flexor tendon system. (medscape.com)

Results: The strength and stiffness of the tested specimens averaged 427 ± 36 N and 76 ± 10 N/mm, respectively, for braided specimens, 532 ± 44 N and 139 ± 18 N/mm for unbraided specimens, and 574 ± 46 N and 158 ± 15 N/mm for patellar tendon specimens. (johnshopkins.edu)
Yet, the influence of changes in tendon stiffness within the physiological range upon these lengthening contractions is unknown. (frontiersin.org)
These results indicate that a training-induced increase in tendon stiffness does not noticeably affect the buffering action of the tendon when the MTU is rapidly stretched. (frontiersin.org)
However, tendon stiffness recovered to baseline 20-28 h post-run. (springer.com)

Anterior Tibial Tendon imaged in B-Mode in the longitudinal axis. (podiatricultrasound.com)

Neurovascular examination, deep tendon reflexes, and electromyography findings were normal. (hindawi.com)
We report a case of West Nile poliomyelitis with preserved deep-tendon reflexes, diminished sensory nerve action potentials, and pathologic findings which do not localize to the anterior horn. (cdc.gov)
Weakness, respiratory failure, and preserved deep-tendon reflexes persisted. (cdc.gov)
We also confirm the findings of preserved deep-tendon reflexes in West Nile poliomyelitis first reported by Glass et al. (cdc.gov)

The portion of the patellar tendon is then drawn through these tunnels in the bone and will be affixed to the bone via screws. (wikipedia.org)
Sometimes, a small metal "suture anchor" is placed into the bone on the top of the foot to secure the tendon back in place. (brettchamernikmd.com)
Methods: Surgical reconstruction by use of the digital extensor tendon in the bone tunnel was performed in 18 rabbits. (edu.hk)
05). Conclusions: Grafted tendon healing in the tibial tunnel was inferior to that in the femoral tunnel at the tendon-to-bone interface and with regard to the grafted tendon within the bone tunnel after ACL reconstruction in rabbits. (edu.hk)
Understanding the three-dimensional ultrastructure morphology of tendon-to-bone interface may allow the development of effective therapeutic interventions for enhanced interface healing. (iucr.org)
Based on phase retrieval for PPC-SRµCT imaging, this technique is capable of visualizing the three-dimensional internal architecture of PPTI at a cellular high spatial resolution including bone and tendon, especially the chondrocytes lacuna at the fibrocartilage layer. (iucr.org)
Unfortunately, this unique tissue that forms at the tendon-to-bone interface is not regenerated during tendon-to-bone healing. (iucr.org)
In order to develop effective therapeutic interventions for enhanced interface healing, we firstly need to understand the morphology of the enthesis between tendon and bone at the natural physiological status. (iucr.org)
MRI indicated large areas of bone contusion on the anterior medial femoral condyle and tibial plateau. (medscape.com)

The present study aimed to determine the differences in the length-force relationship between muscle fiber and muscle tendon complex (MTC) and to relate the shape of the length-force relationship to the architectural changes in MTC (the elongation of tendon structures and pennation angle changes). (go.jp)
At a steady state of tetanic contraction, the muscle fiber length and pennation angle were measured from ultrasonic images, and the muscle fiber force, tendon force, MTC length and elongation of tendon structures were calculated. (go.jp)
Arampatzis A, Stafilidis S, DeMonte G, Karamanidis K, Morey-Klapsing G, Brüggemann GP (2005) Strain and elongation of the human gastrocnemius tendon and aponeurosis during maximal plantarflexion effort. (springer.com)

At an average distance of 12.5 mm proximal to the ankle, the nerve crosses deep to the extensor hallucis longus tendon and courses between the extensor hallucis longus and extensor digitorum longus tendons. (medscape.com)
In the leg, the deep peroneal nerve supplies muscular branches to the tibialis anterior, extensor digitorum longus, peroneus tertius, and extensor hallucis longus. (medscape.com)

Our simulation results also indicate that a more compliant tendon results in increased ankle joint torques. (nature.com)

This image depicts the defect within the patellar tendon at the inferior pole of the patella. (medscape.com)
In the physical examination of her shoulder, painful anterior inferior instability was observed with 90 degrees of abduction and 70 degrees of external rotation. (hindawi.com)

Last, note the tibial artery and nerve (curved arrow) between the flexor digitorum longus tendon and the flexor hallucis longus tendon in the tarsal tunnel. (medscape.com)
It can also be used to treat chronic pain conditions like anterior tarsal tunnel syndrome . (medscape.com)
Treatment of acute or chronic pain conditions involving the foot with entrapment of the deep peroneal nerve at the anterior tarsal tunnel (Anterior tarsal tunnel syndrome is characterized by persistent aching of the dorsum of the foot that is worse at night and is made better by moving the affected toes and ankle. (medscape.com)

[ 13 ] MRI is the imaging procedure of choice for evaluating the musculoskeletal system, particularly in detecting tenosynovitis and in assessing partial and complete ruptures of the tendons. (medscape.com)

The shoes can be padded, if the shoe is putting pressure on the tendon and causing the injury to worsen. (epainassist.com)
Injury to the flexor tendon system can lead to significant morbidity for patients. (medscape.com)

Since it was shown that the SSC-effect was also visible in studies not related to the previously mentioned mechanism 6 and the SSC-effect was present on the fiber level (meaning no serial-elastic component such as aponeurosis and tendon) 11 , another mechanism must also play a role in the SSC performance enhancement. (nature.com)
Elastic properties of tendons are inextricably linked to the mechanical output of the muscle to which they are attached. (frontiersin.org)
Biewener AA, Roberts TJ (2000) Muscle and tendon contributions to force, work, and elastic energy savings: a comparative perspective. (springer.com)

Bjornsson HC, Norlin R, Johansson K, Adolfsson LE (2011) The influence of age, delay of repair, and tendon involvement in acute rotator cuff tears: structural and clinical outcomes after repair of 42 shoulders. (springer.com)

The FDP muscle is a long, thick muscle that originates from the proximal three fourths of the medial and anterior surfaces of the ulna and interosseous membrane. (medscape.com)
Each tendon arising from the FDP muscle flexes the proximal interphalangeal (PIP) joint and the distal interphalangeal (DIP) joint. (medscape.com)

Thus, during a task where power attenuation is required, the tendon mechanical properties affect the active lengthening of muscle fibers and their ability to dissipate energy. (frontiersin.org)
Evaluation of mechanical properties of rat tibialis anterior tendon using two different approaches. (cdc.gov)

The buffering function of the tendon provides a controlled means for the MTU to absorb energy, and is associated with a mechanism to protect muscle fascicles against damage caused by rapid and excessive strain (for review see Roberts and Konow, 2013 ). (frontiersin.org)

The current study aims to compare the outcomes of mere use of interference screw for fixation of hamstring tendon graft versus the use of interference screw plus supplementary staple. (ac.ir)
Use of supplementary staple beside interference screw was as successful as mere use of interference screw for fixation of hamstring tendon autologous graft of the ACL reconstruction, regarding force withstanding. (ac.ir)

Reductions in gastrocnemius fascicle lengthening and lengthening velocity during landing occurred independently from tendon strain. (frontiersin.org)

Inflammation of this sheath or the tendon causes pain and weakness in the ankle. (epainassist.com)
Excessive overpronation when walking or running causes the tendon to chafe against the sheath resulting in inflammation. (epainassist.com)

Rectus capitis anterior. (theodora.com)
The Rectus capitis anterior ( Rectus capitis anticus minor ) is a short, flat muscle, situated immediately behind the upper part of the Longus capitis. (theodora.com)

Bursitis is often differentiated from the fracture by the localization of warmth and swelling contiguous to the tendon and pain localized primarily in the soft tissue. (msdmanuals.com)

The effects of local steroid injections on tendons: a biomechanical and microscopic correlative study. (medscape.com)

The muscle and the tendon are enclosed in a protective sheath. (epainassist.com)
Synovial chondromatosis of the flexor hallucis longus tendon sheath. (bvsalud.org)
The case was highly unusual in that hindfoot pain was caused by several centimetre-sized osteochondral bodies within the FHL tendon sheath. (bvsalud.org)

Stride frequency and number were examined to estimate cyclic tensile loading characteristics of the tendon during running. (springer.com)
Thus, preloaded and non-preloaded contractions may result in different T-ω-r characteristics due to tendon compliance. (nature.com)

On physical examination, diffuse swelling in the anterior knee with ecchymosis, hemarthrosis, and patella alta is observed. (medscape.com)
Potential variables influencing postoperative anterior knee pain development were subjected to univariate analysis, followed by logistic regression analysis to identify risk factors for anterior knee pain. (elsevierpure.com)
The incidences of anterior knee pain at 2 years' follow-up were 18.5%, 9.4%, and 9.3% in the BPTB-G, ST, and ST-G groups, respectively, indicating no statistically significant difference among the 3 groups. (elsevierpure.com)
Anterior knee pain. (radiopaedia.org)
In this case, the patient has been exercising daily with running activities and recently presented with anterior knee pain. (radiopaedia.org)

After accomplishing adequate repair of the tendon, the overlying soft tissue and skin are closed with stitches/sutures and sterile bandages are applied. (brettchamernikmd.com)

The electrodiagnostics showing axonal polyneuropathy and the spinal cord pathologic findings, which did not demonstrate focal loss of anterior-horn neurons, suggest a broader spectrum of the clinical-pathological syndrome of West Nile poliomyelitis than previously described ( 2 , 3 ). (cdc.gov)

Inasmuch as Tibialis Anterior is a dorisflexor and an inverter (or perhaps sometimes and everter) the line of action of its insertion tendon will lie oblique to the sagittal plane. (isbweb.org)
The insertion of the patellar tendon on the tibia is the location of Osgood-Schlatter disease. (wikipedia.org)

Also note that the flexor hallucis and flexor digitorum tendons cross distally at the knot of Henry (straight arrow). (medscape.com)
The tendon may be cut either proximally to distally or the reverse. (iqti.org)

Anatomy4

Diseases7

Analytical, Diagnostic and Therapeutic Techniques and Equipment1

Achilles23

Grafts16

Lateral8

Reconstruction of the anterior cruciate2

Ligament29

Quadriceps12

Posterior15

Muscle-tendon unit6

Rupture11

Semitendinosus2

Autograft1

Muscles12

Hamstring Tendons2

Dysfunction1

Tibialis tendon2

Injuries1

Stiffness4

Tibial Tendon1

Deep tendon reflexes4

Bone9

Elongation3

Extensor2

Compliant tendon1

Inferior2

Tarsal tunnel3

Ruptures1

Injury2

Elastic3

Rotator cuff1

Proximal2

Mechanical properties2

Fascicles1

Fixation2

Strain1

Inflammation2

Rectus2

Bursitis1

Biomechanical1

Sheath3

Characteristics2

Knee5

Soft tissue1

Clinical1

Insertion2

Distally2