• The carpal articular surface is triangular, concave, smooth, and divided by a slight antero-posterior ridge into two parts. (wikipedia.org)
  • The lateral, nearly circular, is concave from side to side, but slightly convex from before backward, especially at its posterior part, where it is prolonged on to the posterior surface for a short distance. (bartleby.com)
  • the lateral is convex above, slightly concave below. (theodora.com)
  • It is concave from before backward, and its prominent extremities serve for the attachment of the annular ligament. (theodora.com)
  • it varies in length in different individuals, is convex from side to side, is concave in the anteroposterior axis, and supports a fat pad situated anterior to the calcaneal (Achilles) tendon. (medscape.com)
  • Just anteromedial to the calcaneal sulcus is another area of articular surface elongated and concave in its long axis that is directed anterolaterally. (medscape.com)
  • Is talus concave or convex? (greatgreenwedding.com)
  • Midtarsal Joint - For the Talonavicular joint, the concave navicular moves on the convex talus and hence the roll and glide is in the same direction of movement….Arthrokinematics. (greatgreenwedding.com)
  • The volar surface is concave above, and elevated at its lower and lateral part into a rounded projection, the tubercle, which is directed forward and gives attachment to the transverse carpal ligament and sometimes origin to a few fibers of the Abductor pollicis brevis. (en-academic.com)
  • It remains covered with hyaline cartilage, convex from front to back, slightly concave from side to side, and broader in front than behind. (theskeletalsystem.net)
  • The articular surface of the medial tibial platform is larger than that of the lateral one, and the articular surface is concave, while the lateral platform is higher, smaller and convex than the medial one. (xcmedico.com)
  • The superior articular facets articulate with the occipital condyles and are kidney-shaped, concave, projecting upward and inward, while the inferior articular facets are comparatively flat, projecting downward and inward, and articulate with the superior facets of the axis. (kalyanspine.com)
  • Each of these cervical vertebrae has a body with a concave superior surface and convex inferior surface. (kalyanspine.com)
  • The proximal row is convex proximally and concave distally. (teachmeorthopedics.info)
  • It is thickest along the interosseous border and thinnest at the extremities, same over the cup-shaped articular surface (fovea) of the head. (wikipedia.org)
  • bifurcates below, to form the boundaries of a triangular rough surface, for the attachment of the interosseous ligament connecting the tibia and fibula. (bartleby.com)
  • The lateral surface of the body has an articular area for the lesser multangular, not infrequently separated from the navicular surface on the head by a rough line, to which the interosseous ligament connecting it with the navicular is attached. (co.ma)
  • This latter articulates either singly or doubly with the os hamatum, the interosseous ligament which unites the two bones being attached either to the notch or to the surface separating the two articular facets. (co.ma)
  • The left ilium has been detached to display the auricular surface of the sacrum and the interosseous sacroiliac ligaments. (stanford.edu)
  • Wrist arthrography has been used to evaluate the integrity of the triangular fibrocartilage (TFC) and the scapholunate and lunotriquetral interosseous ligaments. (musculoskeletalkey.com)
  • 8 Arthrography, therefore, appears to be less useful in assessing the physiologic integrity of the interosseous ligaments on the radial side of the wrist. (musculoskeletalkey.com)
  • Anatomic studies have shown that degenerative perforations of both the interosseous ligaments and the TFC complex are quite common in people older than 35 years of age. (musculoskeletalkey.com)
  • 15 , 16 Multidetector CT arthrography has also been used to visualize interosseous ligament tears. (musculoskeletalkey.com)
  • When they are longer, more movement is possible, for example, the interosseous membrane (similar to a ligament) that connects the ulna and radius. (pharmacy180.com)
  • and in front, near the margin, by a slight transverse groove for the attachment of part of the posterior ligament of the elbow-joint. (theodora.com)
  • The plantar calcaneocuboid ligament is attached to a prominent tubercle nearer the anterior part of this surface, as well as to a transverse groove in front of the tubercle. (medscape.com)
  • In addition to unicondylar or bicondylar and articular surface fractures, there are also transverse or oblique fractures of the proximal tibia. (xcmedico.com)
  • here also the transverse carpal ligament is attached. (co.ma)
  • The ridge furnishes an attachment for the transverse carpal ligament, as well as for some of the short muscles of the thumb. (co.ma)
  • The transverse ligament firmly opposes the odontoid process to the posterior portion of the anterior arch of atlas and provides stability to the atlantoaxial joint. (kalyanspine.com)
  • It also has heavy pedicles, laminae and transverse processes that help in the attachment of muscles. (kalyanspine.com)
  • In addition, this bone serves as an attachment for the abductor digiti minimi muscle, transverse carpal ligament, and several other ligaments. (clinicalgate.com)
  • Superiorly is a cartilage covered facet (middle talar articular facet) for the corresponding middle facet of the head of talus as part of the subtalar joint, which is inclined anteriorly. (radiopaedia.org)
  • The talar body has a curved smooth trochlear surface also termed the talar dome, which is covered with hyaline cartilage and convex from front to back. (greatgreenwedding.com)
  • It has no muscular attachments and around 60% of its surface is covered by articular cartilage. (greatgreenwedding.com)
  • The intercondylar eminence, which is not covered by articular cartilage in the middle of the tibial plateau, is attached by the anterior cruciate ligament. (xcmedico.com)
  • Remodeling also occurs laterally in addition to medially, as evidenced by the increase of the proximal articular set angle (PASA) or structural remodeling of the cartilage. (medscape.com)
  • Both articular surfaces are covered by cartilage, which protects the bone. (hickeysolution.com)
  • Hyaline cartilage is also present in symphyses, as articular cartilage on bony surfaces. (pharmacy180.com)
  • Osteoarthritis (OA) is a degenerative disease that involves the gradual breakdown of articular cartilage, as well as the synovium and subcondral bone of a joint (refer to anatomy). (wikidot.com)
  • The knee joint is a synovial joint, which consists of a joint capsule, synovial membrane, synovial fluid, subchondral bone, and articular cartilage. (wikidot.com)
  • The smooth, hard articular cartilage plays a major role in reducing friction within the joint. (wikidot.com)
  • It also supplies nourishment to the avascular articular cartilage. (wikidot.com)
  • Degenerative processes of the articular cartilage can begin as a result of excessive loading to a healthy joint or normal loading to a previously hindered joint. (wikidot.com)
  • The inferior or plantar calcaneal surface is wider posteriorly and convex from side to side. (medscape.com)
  • On its inferior aspect, this is continuous with three articular facets that are separated by smooth ridges. (greatgreenwedding.com)
  • Which ligament is immediately inferior to the head of the talus? (greatgreenwedding.com)
  • The inferior surface , directed downward, backward and laterally is also smooth, convex, and triangular, and is divided by a slight ridge into two parts, the lateral articulating with the greater multangular, the medial with the lesser multangular. (en-academic.com)
  • On its lower side, the inferior surface bears three articular areas, separated by smooth ridges. (theskeletalsystem.net)
  • The gluteal surface is crossed by variable muscular ridges (posterior, anterior, and inferior gluteal lines) that define attachments of gluteal muscles (fig. 12-1 ). (dartmouth.edu)
  • The body of the radius is self-explanatory, and the lower extremity of the radius is roughly quadrilateral in shape, with articular surfaces for the ulna, scaphoid and lunate bones. (wikipedia.org)
  • Joint surfaces It is provided with two articular surfaces - one below, for the carpus, and another at the medial side, for the ulna. (wikipedia.org)
  • Other surfaces This end of the bone has three non-articular surfaces - volar, dorsal, and lateral. (wikipedia.org)
  • Its lateral surface is convex, rough, and prominent in front: on it is an eminence, situated on a level with the upper border of the tuberosity and at the junction of its anterior and lateral surfaces, for the attachment of the iliotibial band. (bartleby.com)
  • The talus also bears several articular surfaces and two protuberances on the back and side, the posterior and lateral processes . (theskeletalsystem.net)
  • It bears several rough surfaces for the attachment of ligaments. (theskeletalsystem.net)
  • It procures useful information on joint surfaces and the outlines of menisci and ligaments. (veteriankey.com)
  • To scan the cranial aspect of the femorotibial joints, however, the limb must be flexed in order to expose the joint surfaces and intra-articular structures. (veteriankey.com)
  • The upper and lower surfaces of the vertebra body give attachment to the intervertebral discs. (meddic.jp)
  • [ 5 ] The upper surfaces of the laminae are rough to give attachment to the ligamenta flava. (meddic.jp)
  • The tibial plateau is located above the proximal metaphysis of the tibia, with an enlarged shape, which is conducive to the stability of the knee joint, and has more muscles, tendons, and ligaments attached. (xcmedico.com)
  • Proximal tibia is wider than the distal cylindrical tibia * Medial and lateral tibial condyles, an intercondylar eminence, and a tibial tuberosity are all positioned on the proximal tibia * Large tibial tuberosity - patellar ligament * Tibial plateau slopes distally from cranial to caudal. (physio-pedia.com)
  • The proximal surface has a halfoval facet for the navicular, lateral to which it is rough, and becomes continuous with the non-articular lateral aspect, which serves for the attachment of ligaments. (co.ma)
  • it is somewhat constricted below the head, the articular surface of which sweeps round its proximal border. (co.ma)
  • Posterior (proximal) side provides a concavo-convex integrate side (saddle-shaped articular side) for connection with the anterior side of the calcaneum. (earthslab.com)
  • Medial side provides two articular sides- a large distal oval side as well as a small proximal oval side which integrate with the navicular along with lateral cuneiform bones, respectively. (earthslab.com)
  • On the dorsal surface of the carpus, a gentle convex arch is formed by the arrangement of the proximal and distal rows. (teachmeorthopedics.info)
  • The interval between the proximal pole of the scaphoid and its articulation with the lunate and the scapho-lunate ligament is just ulnar and distal to Lister's tubercle. (teachmeorthopedics.info)
  • This process, located on the dorsal and radial aspect of the middle finger metacarpal, points to the articular interface between the capitate and trapezoid, and is just proximal to the insertion of the ECRB tendon. (teachmeorthopedics.info)
  • The dorsal surface is convex, affords attachment to the dorsal radiocarpal ligament, and is marked by three grooves. (wikipedia.org)
  • On the dorsal surface is a narrow, rough groove, which runs the entire length of the bone, and serves for the attachment of ligaments. (en-academic.com)
  • The dorsal surface, of irregular outline, is rough for the attachment of ligaments. (co.ma)
  • The dorsal surface of the bone, which is rough and non-articular, is much larger than the volar aspect. (co.ma)
  • Muscle and ligamentous attachments On the medial side it is held together by a massive ligament, the deltoid ligament, which attaches not only to a broad area on the talus but also to the adjoining bones below and in front. (greatgreenwedding.com)
  • Below the articular surface, there is a rough depression for the attachment of the deltoid ligament. (theskeletalsystem.net)
  • a bursa intervenes between the deep surface of the ligament and the part of the bone immediately above the tuberosity. (bartleby.com)
  • the bone diminishes in size from above downward, its lower extremity being very small, and excluded from the wrist-joint by the interposition of an articular disk. (theodora.com)
  • The anterior surface has a convex articular facet for the cuboid bone. (radiopaedia.org)
  • A condition called scapholunate instability can occur when the scapholunate ligament (connecting the scaphoid to the lunate bone ) and other surrounding ligaments are disrupted. (en-academic.com)
  • It is large, oval, and carries a convex anterior surface in front for articulating with the navicular bone. (theskeletalsystem.net)
  • Though no muscles are attached to the talus, many ligaments are attached to this bone. (theskeletalsystem.net)
  • The lateral cuneiform bone was split and separated, and the articular surface was compressed downwards into the metaphysis. (xcmedico.com)
  • If the compression is severe or the X-ray film of the stress position proves unstable, the compressed articular surface should be raised by bone grafting, and the outer cortical bone should be fixed with a support plate. (xcmedico.com)
  • If the tibial condyle is less involved, it can be reduced by ligament reduction or percutaneous technique, and fixed with larger cancellous bone screws. (xcmedico.com)
  • 14 Although subtle differences in closely related soft-tissue attenuation values cannot be optimally resolved with CT, it is an excellent modality for defining the location and extent of carpal bone fractures and complex intra-articular fractures of the distal radius. (musculoskeletalkey.com)
  • The terminology of the hip bone is based on the anatomical position, in which the articular surface of the pubic symphysis is in a sagittal plane and the pubic tubercle and anterior superior iliac spine are in the same coronal plane. (dartmouth.edu)
  • By Denice Rackley Avulsion fracture Is an Injury to the Bone Attached to a Ligament. (flyinggiraffeteas.com)
  • Diffuse idiopathic skeletal hyperostosis (DISH) is a condition that causes abnormal bone growth at the sites of ligament insertion, mainly in the spine. (bvsalud.org)
  • The lateral condyle presents posteriorly a flat articular facet, nearly circular in form, directed downward, backward, and lateralward, for articulation with the head of the fibula. (bartleby.com)
  • The articular portion of the superior surface is convex in the anteroposterior axis and articulates with the posterior calcaneal facet on the undersurface of the talus. (medscape.com)
  • This articular surface is divided by a transversely oriented notch into a larger facet, called the middle facet, as well as a smaller facet anterior to this, called the anterior facet (see the previous image). (medscape.com)
  • The triangular fibrocartilage and the dorsal and volar ligaments arise from the ulnar aspect of the lunate facet of the radius. (medscape.com)
  • The middle facet provides the attachment site for the calcaneal tendon (Achilles tendon) . (radiopaedia.org)
  • The medial surface bears a pear-shaped articular facet for the tibial end (the medial malleolus), in continuation with the trochlear surface. (theskeletalsystem.net)
  • The lower part of this surface forms a bony projection called the lateral process that supports the lower portion of the lateral articular facet. (theskeletalsystem.net)
  • Facet joints are synovial joints that give the spine it's flexibility by sliding on the articular processes of the vertebra below. (kalyanspine.com)
  • The orthopedic surgeon considers bones primarily as rigid links that are moved, secondarily as points of attachment for ligaments, muscles, and tendons, and finally as the base on which important relationships with surrounding soft tissue are maintained. (musculoskeletalkey.com)
  • Describe how tension in ligaments, tendons, and skeletal muscles can limit the range of motion available when a skeletal muscle contracts. (bccampus.ca)
  • The ulnar aspect of the radius has a concavity: the sigmoid notch, which articulates with the convex semicircular head of the distal ulna. (medscape.com)
  • The superior surface is convex, smooth, of triangular shape, and articulates with the lower end of the radius. (en-academic.com)
  • The distal convex surface articulates with trapezium and trapezoid. (en-academic.com)
  • The stability of joints is the sum of (1) their bony congruity and stability, (2) the stability of ligaments, and (3) the dynamic stability provided by adjacent muscles. (musculoskeletalkey.com)
  • It is the attachment surface for most of the rotator muscles of the shoulder. (hickeysolution.com)
  • Most of the iliac crest presents outer and inner lips and a rough intermediate line for attachment of muscles. (dartmouth.edu)
  • In the dog shoulder anatomy, you might describe the details of joints, muscles, and ligaments. (anatomylearner.com)
  • The rough surface in front of the processes gives attachment to the long plantar ligament and to the lateral head of the quadratus plantae. (medscape.com)
  • the back part of the ulnar collateral ligament medially, and the posterior ligament laterally. (theodora.com)
  • free margin, serves for the attachment of part of the ulnar collateral ligament. (theodora.com)
  • From the ulnar styloid, the triangular fibrocartilage extends distally, receiving contributions from the ulnar collateral ligament, which thickens as the meniscus homologue, inserting onto the lunate, the triquetrum, and the fifth metacarpal. (medscape.com)
  • The ulnar collateral ligament is a poorly developed thickening of the joint capsule that arises from the base of the ulnar styloid. (medscape.com)
  • They opcu on a concavo-convex mirface ibrwards, auspended in considering the cireumftrcnoe or lesi nf (chipbay.uk)
  • The plantar surface of the calcaneal tuberosity projects forward on the plantar surface as a medial (larger) and lateral (smaller) process and at its most anterior projection is the calcaneal tubercle, where the short plantar ligament attaches. (radiopaedia.org)
  • This ligament attaches on the inside aspect of the knee from the femur to the tibia. (wikidot.com)
  • It is 1 of 2 cruciate ligaments of the knee that acts primarily to restrict posterior tibial translation relative to the femur. (medscape.com)
  • Together, the cruciate ligaments act as static stabilizers that hold the knee joint together throughout its full range of motion. (medscape.com)
  • in front of and behind the intercondyloid eminence are rough depressions for the attachment of the anterior and posterior cruciate ligaments and the menisci. (bartleby.com)
  • CT-arthrography (images acquired after intra-articular injection of iodinated contrast medium) of the stifle has been described in recent years. (veteriankey.com)
  • However, the parenchyma is poorly visualized and the presence of synovial thickening can alter the appearance of intra-articular structures. (veteriankey.com)
  • Intra-articular analgesia will dramatically interfere with evaluation of the joint, as it causes hemorrhage, inflammation, and effusion, and because air may be introduced into the joint space or periarticular soft tissues. (veteriankey.com)
  • it is therefore preferable to perform an ultrasonographic examination prior to diagnostic intra-articular analgesia whenever possible. (veteriankey.com)
  • The superior articular surface presents two smooth articular facets (Fig. 257 ). (bartleby.com)
  • This apparent lack of specificity of arthrography may limit its application, especially in comparison with MR imaging, in which the morphology of the TFC and intrinsic ligaments can be evaluated directly. (musculoskeletalkey.com)
  • 8 found that although 88% of patients with ulnar pain had lunotriquetral ligament perforations, only 26% of patients with scapholunate dissociation had scapholunate ligament perforations. (musculoskeletalkey.com)
  • It has a small tubercle in the middle, to which the calcaneofibular ligament is attached. (medscape.com)
  • The distal radius has a biconcave articular surface with two articular facets that are separated by an anterior and a posterior ridge. (medscape.com)
  • It is pointed up as well as laterally, and also supplies connection to dorsal ligaments of the foot. (earthslab.com)
  • The lateral surface is prolonged obliquely downward into a strong, conical projection, the styloid process, which gives attachment by its base to the tendon of the brachioradialis, and by its apex to the radial collateral ligament of wrist joint. (wikipedia.org)
  • It is mobile and its ends hang by the stylohyoid ligaments from the styloid process on each side of the base of the skull. (flyinggiraffeteas.com)
  • The volar surface, rough and irregular, affords attachment to the volar radiocarpal ligament. (wikipedia.org)
  • The upper surface, anterior and lateral to the facets, is rough for the attachment of ligaments and for the origin of the extensor digitorum brevis. (medscape.com)
  • The volar border, prominent and turned forwards, is rough at its edge, where it serves for the attachment of the volar part of the capsule of the wrist-joint. (co.ma)
  • The lateral surface is rough and narrow, and gives attachment to the radial collateral ligament of the wrist. (en-academic.com)
  • Its front half is continuous with the trochlear surface and has a rough depression for the attachment of the anterior talofibular ligament. (theskeletalsystem.net)
  • it receives the circumferential articular surface of the head of the radius. (theodora.com)
  • The superior calcaneal surface (see the following images) of the calcaneus has 2 parts: articular and nonarticular. (medscape.com)
  • The medial articular surface is convex, being triangular or semi-oval in shape, whereas the lateral, also called the anterior calcaneal articular surface , is a bit flattened. (theskeletalsystem.net)
  • The upper part of the joint is the platform articular surface, which corresponds to the articular surface of the femoral condyle. (xcmedico.com)
  • This should be taken into account when inserting screws from lateral to medial, without entering the medial articular surface. (xcmedico.com)
  • The articular surface is compressed into the platform, and the lateral cortex is intact, which is prone to occur in osteoporosis. (xcmedico.com)
  • The knife coming out the velocity of the ramus of tho articular surface of the occipital and larynx. (chipbay.uk)
  • The tibial tuberosity and Gerdy's tuberosity are bony protrusions located below the condyle and are the attachment points of the patellar tendon and iliotibial band, respectively. (xcmedico.com)
  • [ 11 , 12 ] MRI should be obtained in all patients with suspected PCL tears because of the high incidence of injury to other structures of the knee, such as the anterior cruciate ligament (ACL), the medial collateral ligament (MCL), the lateral collateral ligament (LCL), and the menisci. (medscape.com)
  • This, often called the anterior oblique line, serves for the attachment of the radial head of origin of the flexor digitorum sublimis muscle. (co.ma)
  • These ligaments connect the laminae of adjacent vertebra along the length of the spine from the level of the second cervical vertebra. (meddic.jp)
  • Attached to the fibular head are the peroneal collateral ligament and the biceps femoris, which support the lateral tibial condyle. (xcmedico.com)
  • The three diarthrodial joints are constructed with little bony stability and mainly rely on their ligaments and on adjacent muscle at the glenohumeral joint. (musculoskeletalkey.com)
  • Medial tension causes the medial collateral ligaments to pull on the dorsomedial aspect of the first MT head, causing bony proliferation. (medscape.com)
  • that for the latter is medial to and separated by a slight ridge from the navicular articular area. (co.ma)
  • If the resultant reducing of the foot's lateral column and articular disturbances arc left without treatment, patients establish a symptomatic pes planus defect and arthrosis of the CC and fourth and fifth TMT joints. (earthslab.com)
  • if communication does occur, as seen through the flow of dye from an arthrogram, there is a tear or rent in the scapholunate or lunotriquetral ligaments. (teachmeorthopedics.info)