Lower limb kinematic. Medical search. Frequent questions

Finally, we confirmed that AddBiomechanics accurately reproduced joint kinematics and kinetics from synthetic walking data with low marker error and residual loads. (stanford.edu)
The aim of this study was to investigate longitudinal changes in lower limb joint kinematics following TPF and determine how these kinematics relate to self-reported function. (edu.au)
Lower limb joint kinematics were assessed at each time point based on gait data. (edu.au)
However, as a participant's lower limbs are in a waist-high chamber when using an LBPP treadmill, a conventional motion analysis using an optical method may be difficult, especially for the hip joint, limiting what is known about how unweighting affects gait kinematics. (researchsquare.com)
Considering the lower limb joint kinematics, most notable improvements were found at knee and ankle joints. (neurosurgery.directory)
As previously suggested, compensatory lower limb kinematics occur in order to maintain a given power output. (jsc-journal.com)

This small amount of knee flexion is controlled eccentrically by the knee extensor muscles which serve the purpose of cushioning the rate of loading on the lower limb and preventing excessive knee flexion. (wikipedia.org)
Results -Lame limbs had significantly lower peak vertical GRF, less flexion of the distal interphalangeal joint, and less extension of the metacarpophalangeal joint, compared with compensating limbs. (avma.org)
The dominant limb exhibited greater peak knee flexion ( P = .003) and ankle dorsiflexion ( P = .02) angles, and greater ankle dorsiflexion ( P = .005) and inversion ( P = .03) moments than the nondominant limb. (humankinetics.com)
This study investigated the effect of pre-step lower-limb loading and unloading with preparatory knee flexion-extension movements on sidestepping performance in fifteen male collegiate basketball players. (frontiersin.org)
Participants performed two-choice (step limb) reaction time sidestepping under two conditions: without preparatory movements before the go cue (no-prep-NP) and with continuous alternating knee extension and flexion movements (prep-P). The reaction signal was provided at the beginning of knee extension and flexion and during these movements which corresponded with the largest and smallest loading instants and the transition states between those instants. (frontiersin.org)
Step initiation onset time was significantly faster by 13-15% than the NP condition when initiated in the knee flexion phase ( p ≤ 0.028, r ≥ 0.70), whereas step-limb unloading interval from step initiation to step lift-off was significantly faster by 12-15% in the knee extension phase ( p ≤ 0.01, r ≥ 0.74). (frontiersin.org)
These results indicated that lower-limb loading with pre-step knee flexion facilitated faster step initiation, while lower-limb unloading with knee extension facilitated faster step-limb unloading, both resulting in faster step lift-off. (frontiersin.org)
However, in addition to those discrete loaded or unloaded conditions, flexion-extension preparatory movements also involve continuously alternating increases and decreases in limb loading between these threshold levels. (frontiersin.org)
The mechanical system is developed considering the knee's biomechanics, the change in length of the limb during flexion and extension, and the anthropometry of the patients to be treated. (ijcopi.org)
Offline pressure sensors were used to synchronize the 2D kinematic data from cervical flexion and deep fascia displacement of the medial gastrocnemius. (scian.cl)
Results: The methodology allowed us to identify four distinctive classes of possible movement combinations based on these two functional tests: standard movement, low knee and lumbar engagement, high pelvis engagement and high lumbar flexion. (hes-so.ch)

During this time interval, the lower limb must support constant changes in alignment of body weight while propelling forward. (wikipedia.org)
To determine if measurements of static lower limb alignment are related to lower limb injury in recreational runners. (bmj.com)
Static lower limb alignment was prospectively measured in 87 recreational runners. (bmj.com)
When the data for all runners were pooled, 95% confidence intervals calculated for the differences in the measurements of lower limb alignment between the injured and non-injured runners suggested that there were no differences. (bmj.com)
In recreational runners, there is no evidence that static biomechanical alignment measurements of the lower limbs are related to lower limb injury except patellofemoral pain syndrome. (bmj.com)
However, the effect of static lower limb alignment may be injury specific. (bmj.com)
4- 8 In contrast with these observations, other studies did not find any association between running injury and measures of static lower limb alignment. (bmj.com)
Given the lack of agreement in the literature, the purpose of this study was to examine the relation between static measurements of lower limb alignment and the incidence of lower limb running injury in a prospective cohort study of recreational runners. (bmj.com)
Another option is kinematic alignment (KA), which aims to restore the original anatomy of the knee. (nih.gov)
Due to anatomical differences between men and women such as height, leg length, and hip width, alignment and mechanics of the lower limb are different between males and females. (uwaterloo.ca)
An anatomical variable which is associated with alignment in the lower limb is the quadriceps muscle angle (q-angle). (uwaterloo.ca)
OSKAR stands for the Optimal Segmental Kinematic Alignment approach to Rehabilitation and is an evidence-based method of assessing and treating children with lower limb neurological conditions such as cerebral palsy and spina bifida . (londonorthotics.co.uk)
There was a significant asymmetry between the kinetic and kinematic performance of the sound and prosthesis sides, which may be due to lack of muscular power and alignment of prosthesis components. (hindawi.com)

A. Demofonti, G. Carpino, L. Zollo, M. J. Johnson, "Affordable robotics for upper limb stroke rehabilitation in developing countries: a sys-tematic review", IEEE Transactions on Medical Robotics and Bionics, 3:1, pp. 11-20, February 2021, doi: 10.1109/TMRB.2021.3054462. (szn.it)
G. Carpino, A. Pezzola, M. Urbano, E. Guglielmelli, "Response to: Comment on "Assessing Costs and Effectiveness in Robot-mediated Lower Limbs Rehabilitation: a Meta-analysis and State of the Art"", Letter to the Editor, Journal of Healthcare Engineering, pp. 1-2, Sep-tember 2019, doi: 10.1155/2019/9693801. (szn.it)
G. Carpino, A. Pezzola, M. Urbano, E. Guglielmelli, "Assessing Costs and Effectiveness in Robot-mediated Lower Limbs Rehabilitation: a Meta-analysis and State of the Art", Journal of Healthcare Engineering, 2018, pp. 1-9, June 2018, doi: 10.1155/2018/7492024. (szn.it)
Favorable selection criteria for this case included disabling lower extremity diplegia, young age, good core strength, no cognitive delay, and strong rehabilitation potential. (neurosurgery.directory)
During passive rehabilitation, the medical therapist performs specific routines on the patient's limbs who have suffered physiological damage and has partial lost or total mobility and muscle strength. (ijcopi.org)
Over 70% of amputees have postamputation pain in the residual limb, which can severely limit function, impair quality of life, and significantly impede rehabilitation. (msdmanuals.com)

This research assessed changes in lower extremity biomechanics as a result of augmented local abdominal contractions during double leg landings. (uncg.edu)
Although leg spring stiffness represents active muscular recruitment of the lower extremity during dynamic tasks such as hopping and running, the joint-specific characteristics comprising the damping portion of this measure, leg impedance, are uncert. (uncg.edu)
Sudden changes in direction on a single weight-bearing-limb are commonly associated with injury to the lower extremity. (uncg.edu)
Lower Extremity and Brake Pedal Interaction in Frontal Collisions: Sled Tests," SAE Technical Paper 980359, 1998, https://doi.org/10.4271/980359 . (sae.org)
This study identified and analyzed lower-extremity biomechanical asymmetries in college women's volleyball players during standard and sport-specific double-leg landing tasks. (humankinetics.com)
They demonstrated the use of L1-S1 osteoplastic laminoplasty and L1-S1 selective dorsal rhizotomy in a 5-year-old male patient with cerebral palsy and spastic lower extremity diplegia . (neurosurgery.directory)
In this article, it is detailed the design and development of an electro-mechanical system for an autonomous passive lower extremity rehabilitator. (ijcopi.org)
Trunk postural control is critical in avoiding falls and is impaired among persons with lower extremity trauma, elevating their fall risk. (health.mil)
Twenty-five individuals with lower extremity trauma were included in this prospective study. (health.mil)
Milner et al suggested that as a result of these differences, lower-extremity load distribution in members of the first group differed from that in the controls, increasing the former's likelihood of fractures. (medscape.com)

Results suggested that further improvements to locomotor performance may be obtained by increasing affected limb knee range of motion and concentric and eccentric strength of the knee extensors and flexors. (worktribe.com)
The hip, knee, and ankle joints move through cyclical kinematic patterns that are controlled by muscles which cross these joints. (wikipedia.org)
It described a total lower-limb pattern occurring at the hip, knee, and ankle during stance. (wikipedia.org)
Background: Knee joint motion and quadriceps activity play a crucial role in all lower limb tasks, especially those which are highly dynamic and weight-bearing. (uwaterloo.ca)
Knee joint peak and occurrence of peak moments, average EMG amplitude and peak and occurrence of peak EMG were analyzed by gender and high and low q-angle. (uwaterloo.ca)
The algorithm iterates through the prediction update (kinematic equation), measurement update (pelvis height, zero velocity update, flat-floor assumption, and covariance limiter), and constraint update (formulation of hinged knee joints and ball-and-socket hip joints). (arxiv.org)
During the drop vertical jump, the dominant limb exhibited lower knee abduction moments ( P = .03), ankle dorsiflexion moments ( P = .02), ankle eversion moments ( P = .003) and vertical ground reaction forces ( P = .03), and greater ankle inversion moments ( P = .001). (humankinetics.com)
The most recent and largest study of amateur golfers by Murray et al reported the most commonly injured body regions to be the lower back (37%), knee (25%) and shoulder (19%) 11 . (aspetar.com)
This includes a high proportion of lower back and knee injuries. (aspetar.com)
Lower limb joint ROM showed significant weak to moderate correlation with the ADL sub-scale of the KOOS (hip r = 0.442, knee r = 0.303, ankle r = 0.367). (edu.au)
Treadmills that support the body weight (BW) reduce the load on the lower limbs, and those equipped with a lower-body positive-pressure (LBPP) device, developed as a new method for unweighting, significantly reduce pain in patients with knee OA. (researchsquare.com)

The cadaver limbs and the Hybrid III lower extremities with 45° ankle and soft joint-stop were extensively instrumented to determine response during the crash event. (sae.org)

The majority of stance phase (~40%) takes place in single-limb support where one limb is in contact with the ground and the contralateral limb is in swing phase. (wikipedia.org)

The function of the lower limbs during walking is to support the whole-body against gravitational forces while generating movement patterns which progress the body forward. (wikipedia.org)
Kinetic and kinematic measures together, are powerful tools that help infer joint patterns and understand how patterns may alter in the presence of physical or environmental changes. (wikipedia.org)
The effects of lower limb muscular fatigue and work experience on patterns of falling in workers. (cdc.gov)
Movement patterns of the lower limbs, and ground reaction force are the greatest predictors of clubhead speed in the golf swing 9 . (aspetar.com)
Objectives: This study explores whether different functional kinematic behaviour patterns appear when executing a new complex motor task and whether those observations are consistent over multiple executions. (hes-so.ch)

Propulsive components of longitudinal GRF did not differ between limbs. (avma.org)
Conclusions and Clinical Relevance -In horses with experimentally induced superficial digital flexor tendinitis, changes in vertical GRF were reflected in angular excursions of the distal interphalangeal and metacarpophalangeal joints, whereas changes in longitudinal GRF were associated with alterations in the protraction-retraction angle of the entire limb. (avma.org)

These data sets contain kinematic and EMG data from subjects performing gait-related activities such as stair climbing and ramp walking, freely transitioning from one activity to the next. (utwente.nl)
G. Carpino, D. Accoto, N. L. Tagliamonte, G. Ghilardi, E. Guglielmelli, "Lower limb wearable robots for physiological gait restoration: state of the art and motivations", MEDIC Methodology & Education for Clinical Innovation - New Series, 21:2, pp. 72-80, December 2013. (szn.it)
From 2D video recordings, Edinburgh Visual Gait Score and lower limb joint kinematic parameters were calculated. (neurosurgery.directory)
Altered trunk movements during gait in persons with lower-limb amputation are often associated with an increased risk for secondary health conditions. (health.mil)

Conclusions: Obstacle crossing improved, although a greater reliance on intact limb function was highlighted. (worktribe.com)
Conclusions and Clinical Relevance -Results indicate that horses are able to manage mild, unilateral hind limb lameness by reducing the airborne phase of the stride rather than by increased loading of the compensating limbs. (avma.org)

The objective of this research was to compare technical skills composed of kinematic and kinetic variables in the complex motor task of a tumble turn between 9 elites and 9 sub-elite female swimmers. (jssm.org)
A total of 37 kinematic variables were derived from a Direct Linear Transformation algorithm for 3D reconstruction, and 16 kinetic variables measured by a piezoelectric 3D force platform. (jssm.org)
Pearson correlations were applied to the data of the eighteen swimmers to relate the association of 53 kinematic, kinetic variables to the performance of the tumble-turn (3 meters Round Trip Time, 3m RTT). (jssm.org)
0.8) in favor of the elite swimmers were identified for the index of upper body extension at the beginning of the push-off, the lower limb extension index at the end of push-off, and among the kinetic variables, the horizontal impulse and lateralization of the push-off. (jssm.org)
Repeated-measures multivariate analysis of variance identified asymmetries in kinematic and kinetic variables of each task. (humankinetics.com)

They were observed for the following six months for any running related musculoskeletal injuries of the lower limb. (bmj.com)
Low back pain (LBP) is a musculoskeletal complaint that can be defined as pain or discomfort referred to the lower part of the spine, between the last thoracic vertebra and the first sacral vertebra, above the upper gluteal line, and which may or may not radiate to the lower limbs. (researchgate.net)
Marker data served as an input for a full musculoskeletal model to compute the lumbar and lower limb joint angles. (hes-so.ch)

Although no lower limb injuries were observed, the brake pedal did influence foot behavior and it could increase the risk of injury if occupant bracing, intrusion, and other parameters were incorporated into the testing. (sae.org)
The kinetic and kinematic parameters were collected by a motion analysis system and a Kistler force platform. (hindawi.com)
Furthermore, there are a few studies on kinetic and kinematic parameters of Canadian prosthesis users [ 6 , 7 , 9 ]. (hindawi.com)

p = 0.05) during stance phase were greater when compared to the affected limb. (worktribe.com)
The lower limbs are only in contact with the ground during the stance phase, which is typically subdivided into 5 events: heel contact, foot flat, mid-stance, heel off, and toe off. (wikipedia.org)
No compensatory changes in work were performed by other joints within the lame hind limb during the stance phase. (avma.org)

Vertical impulse in the diagonal forelimb decreased, but there were no significant changes in forces or impulses in the ipsilateral forelimb or contralateral hind limb. (avma.org)

This study examined the kinematic effects of orthoses in participants with a history of chronic Achilles tendon injury. (worktribe.com)

Women's volleyball requires frequent and repetitive jumping that when performed with altered biomechanics, including kinematic or kinetic asymmetry, may place the athlete at high risk for injury. (humankinetics.com)

Methods: Seven unilateral transtibial amputees crossed an obstacle 0.1m high positioned along a walkway while kinematic and kinetic data were recorded at 1, 3 and 6 months post-discharge. (worktribe.com)
In chapter 5 we investigated whether concept drift is an issue in lower limb pattern recognition and we compared three adaptation approaches, entropy-based, based on backward prediction and a combination of the two to circumvent this concept drift using the MyPredict 3 data set. (utwente.nl)
Objective -To measure and correlate kinematic and ground reaction force (GRF) data in horses with superficial digital flexor tendinitis. (avma.org)
As each horse trotted, kinematic data were collected by use of an optoelectronic system, and GRF data were measured by use of a force plate. (avma.org)
Three-dimensional kinematic and GRF data were projected onto a 2-dimensional sagittal plane. (avma.org)
Reducing the barriers to processing and sharing high-quality human motion biomechanics data will enable more people to use state-of-the-art biomechanical analysis, do so at lower cost, and share larger and more accurate datasets. (stanford.edu)
Kinematic and kinetic data were collected on the lower limbs as well as electromyography (EMG) on two quadriceps muscles and one hamstring muscle. (uwaterloo.ca)
Sidestepping performance was assessed with three-dimensional kinematic data and ground reaction forces. (frontiersin.org)
A motion capture system and force platform were used to gather kinematic and kinetic data from the study subjects. (medscape.com)

Hemipelvectomy amputation is a surgical procedure in which lower limb and a portion of pelvic are removed. (hindawi.com)
In contrast to hip disarticulation, hemipelvectomy amputation is a surgical procedure in which the lower limb is removed including a portion of the pelvic. (hindawi.com)

People with mild to moderate chronic low back pain (CLBP) presented with similar standing postural control to asymptomatic individuals. (bmj.com)

Objective -To study the effect of unilateral synovitis in the distal intertarsal and tarsometatarsal joints on locomotion, including the compensating effects within and between limbs. (avma.org)
The golf swing is a complex, asymmetric movement which includes movement from most joints in the upper and lower limbs as well as the spine. (aspetar.com)

This study examined the kinematic differences between subjects who had a history of chronic Achilles tendon (AT) injury and matched controls during running. (worktribe.com)

None of the cadavers sustained lower limb injuries in any of the tests, and the dummy tests did not produce axial force or tibia index values above proposed injury thresholds. (sae.org)
However, further good news for golfers is that injury rates while playing golf are very low compared to other sports and have been reported as 0.28 - 0.60 injuries per 1000 hours played 4-6 . (aspetar.com)
A series of 708 amateur golfers reported the most frequent injuries to be located in the lower back, elbow and hand/wrist 7 . (aspetar.com)
There was a significantly higher proportion of hand/wrist injuries compared to amateurs and a significantly lower proportion of elbow injuries 8 . (aspetar.com)
studied the side of lumbar/low back injuries, and found 51% were right-sided pain, 28% reported left-sided pain and 21% reported central or generalised pain. (aspetar.com)
McCarroll & Gioe reported 85% of amateur upper limb injuries were sustained in the lead side, i.e. the left side in a right handed golfer 12 . (aspetar.com)
A systematic review of professional golf injuries showed that the most common anatomical location of injuries were the lumbar/lower spine, thoracic spine, cervical spine (neck) followed by the hand/wrist and shoulder 13 . (aspetar.com)

The modern golf swing is ideally performed using all major muscle groups, with proximal-to-distal limb sequencing, which increases the speed with which the ball can be hit. (aspetar.com)

Stress fractures of the vertebral arch, upper limbs, ribs, and even the scapula have also been described and are not uncommon in some sports. (medscape.com)

Until now, the accumulated error over time has not been considered, even though it could be crucial for detecting fascial displacement in low amplitude movements. (scian.cl)

The aim of the present study was to analyze the activation pattern of the serratus anterior (SA), upper trapezius (UT), and lower trapezius (LT) muscles during periscapular exercises in individuals with and without ED, and to identify which proposed exercise presents greater activation of the periscapular muscles. (researchgate.net)
Other symptoms that suggest neuroma include unusual and unpleasant sensations that occur without stimulation or upon contraction of residual-limb muscles and a disagreeable sensation (dysesthesia) that occurs with light palpation of skin. (msdmanuals.com)

Results: At 6 months post-discharge, walking velocity had increased (0.17 m.s⁻¹) with most participants self-selecting an intact lead limb preference. (worktribe.com)

Because step initiation and execution require unloading of the stepping limb and increased loading of the single stance limb, the initial conditions of limb loading preceding a step can either facilitate or impede stepping. (frontiersin.org)

Finally, methods for the analysis of lower limb structures from Magnetic Resonance (MR) images are presented. (francoischung.com)
Methods: Marker-based kinematic analyses of the lumbo-pelvic complex were conducted on 29 asymptomatic athletes during two active self-induced motion tests: the one-sided tilt test and a modified version of this test limiting the trunk axial rotation. (hes-so.ch)

Residual-limb pain should be evaluated and treated aggressively because some causes can be dangerous. (msdmanuals.com)
Residual-limb pain should. (msdmanuals.com)

Other reports suggest that the necessary amount of force generated by a muscle to produce a given moment about the axes of rotation at a joint, is dependent on limb position. (wikipedia.org)
Statistical parametric mapping (SPM) was undertaken to investigate the change in joint kinematic traces with time. (edu.au)

In a second part, the performance of statistical models is compared in the context of lower limb bone segmentation when only a small number of datasets is available for training. (francoischung.com)

SDR reduces spasticity in the lower extremities for these children with spastic paraplegia. (neurosurgery.directory)
Prior to the procedure, he demonstrated an overall decreased muscle strength in bilateral lower extremities with bilateral hamstring spasticity ( Modified Ashworth Scale 3) and bilateral heel cord spasticity (Ashworth 4). (neurosurgery.directory)

The loads are sufficient to positively affect muscle performance of the lower limbs. (dpemed.com)

Shoulder or elbow flexor spasticity MAS 1+ or lower a score of 21 to 50 on the affected Fugl-Meyer Assessment. (who.int)

Results & Discussion: The inter-rater reliability for q-angle was low (0.27-0.78) but the intrarater reliability showed q-angle measurements to be very reliable (0.80-0.95). (uwaterloo.ca)
Latent class analysis and intraclass correlation coefficients were calculated to identify different classes of functional kinematic behaviour and assess the reliability between measurements. (hes-so.ch)

2004) and Andriacchi et al (1980) that stair locomotion places much higher loads on the lower limb than does level ground walking. (dpemed.com)

Because LBPP treadmills reduce the stress induced by ground reaction forces on the lower limbs, unweighting by the LBPP treadmill has shown to significantly reduce pain in patients with OA and, therefore, has the potential to maintain or enhance aerobic exercise capacity [5, 6]. (researchsquare.com)

The resistive action of an aquatic medium also influential negative resistive effects is the provides what is known as active drag - a propulsive hydrodynamic drag, defined by the action of the movement created by the body itself during water in opposing displacement of the immersed displacement due to movement of the limbs. (bvsalud.org)

Lower-limb weight-bearing load distribution in stationary standing influences the timing of rapid first step initiation of importance for functional movement activities and agility performance in sports. (frontiersin.org)

The aim of this study was to evaluate the variations in lower limb anatomy of a patient population scheduled for TKA, and to assess the use of a restricted KA TKA protocol and compare the resulting anatomic modifications with the standard MA technique. (nih.gov)

However, the majority are closed kinematic chain which limits the number of angles that can be reached. (ijcopi.org)

The pain typically does not involve the phantom limb but can. (msdmanuals.com)

Brake pedal reaction forces were measured using a six-axis load cell and high speed film was used for kinematic analysis of the crashes. (sae.org)
Three-dimensional kinematic analysis. (kwon3d.com)

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Using our novel database, we investigated the use of genetic algorithms to construct optimized feature sets to be used in lower limb prosthetic control in chapter 4. (utwente.nl)
The introduced control method is merely based on kinematic model and thus easy to. (sharif.edu)

Recent golf instruction has made popular the 'X-factor', which is described as a dissociation between the upper and lower body in the downswing. (aspetar.com)
With regards to the upper limb, studies have shown subscapularis, latissimus dorsi and pectoralis major to be major drivers of movement in both the backswing and the downswing with supraspinatus, infraspinatus and the deltoid having a much smaller role 10 . (aspetar.com)

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