ArticleNeurorehabilitation and neural repair2017
Lower Extremity Motor Impairments in Ambulatory Chronic Hemiparetic Stroke: Evidence for Lower Extremity Weakness and Abnormal Muscle and Joint Torque Coupling Patterns.
Article in Neurorehabilitation and neural repair, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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Who cites it
30 citing papers in PubMed, 51 citations in OpenAlex.
- Unilateral Exoskeleton Training for Balance/Gait in Hemiplegic Stroke: Pilot Study.Behavioural neurology · 2026Trial
- Haptic interaction with a human partner for ankle training in chronic stroke: a pilot study.Journal of neuroengineering and rehabilitation · 2025Trial
- Trial
- A wearable ankle-assisted robot for improving gait function and pattern in stroke patients.Journal of neuroengineering and rehabilitation · 2025Trial
- Kinematic and Neuromuscular Adaptations in Incomplete Spinal Cord Injury after High- versus Low-Intensity Locomotor Training.Journal of neurotrauma · 2019Trial
- Post-task resting-state fMRI of walking-related neural activity in patients with stroke: immediate and delayed brain network dynamics.Annals of medicine · 2026Article
- "Abductor Sparing": A New Selective Involvement in ALS.Muscle & nerve · 2026Article
- Using visual biofeedback to reduce step length error at fast walking speeds is feasible after stroke.medRxiv : the preprint server for health sciences · 2026Article
- Proactive adjustments to cued gait perturbations in people with and without chronic stroke.Journal of neurophysiology · 2026Article
- Foot-ground force quantifies impaired balance control mechanisms post-stroke.Scientific reports · 2026Article
- Review
- The Differential Effects of Fast Walking Speed on Muscle Coactivation in the Paretic and Non-Paretic Extremities Post-Stroke.Neurorehabilitation and neural repair · 2026Article
- Robotic Ankle Assessment Post-Stroke: Reliability, Comparison to Therapists, and Benchmark Dataset Development.Sensors (Basel, Switzerland) · 2025Article
- Proactive adjustments to cued gait perturbations in people with and without chronic stroke.bioRxiv : the preprint server for biology · 2025Article
- Estimation of lower limb torque: a novel hybrid method based on continuous wavelet transform and deep learning approach.PeerJ. Computer science · 2025Article
- Frequency-dependent behavior of paretic and non-paretic leg force during standing post stroke.Journal of biomechanics · 2024Article
- Lower limb vertical stiffness and frontal plane angular impulse during perturbation-induced single limb stance and their associations with gait in individuals post-stroke.Journal of biomechanics · 2024Article
- Article
- Altered biomechanical strategies of the paretic hip and knee joints during a step-up task.Topics in stroke rehabilitation · 2023Article
- Speed-dependent biomechanical changes vary across individual gait metrics post-stroke relative to neurotypical adults.Journal of neuroengineering and rehabilitation · 2023Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
Although global movement abnormalities in the lower extremity poststroke have been studied, the expression of specific motor impairments such as weakness and abnormal muscle and joint torque coupling patterns have received less attention. We characterized changes in strength, muscle coactivation and associated joint torque couples in the paretic and nonparetic extremity of 15 participants with chronic poststroke hemiparesis (age 59.6 ± 15.2 years) compared with 8 age-matched controls. Participants performed isometric maximum torques in hip abduction, adduction, flexion and extension, knee flexion and extension, ankle dorsi- and plantarflexion and submaximal torques in hip extension and ankle plantarflexion. Surface electromyograms (EMGs) of 10 lower extremity muscles were measured. Relative weakness (paretic extremity compared with the nonparetic extremity) was measured in poststroke participants. Differences in EMGs and joint torques associated with maximum voluntary torques were tested using linear mixed effects models. Results indicate significant poststroke torque weakness in all degrees of freedom except hip extension and adduction, adductor coactivation during extensor tasks, in addition to synergistic muscle coactivation patterns. This was more pronounced in the paretic extremity compared with the nonparetic extremity and with controls. Results also indicated significant interjoint torque couples during maximum and submaximal hip extension in both extremities of poststroke participants and in controls only during maximal hip extension. Additionally, significant interjoint torque couples were identified only in the paretic extremity during ankle plantarflexion. A better understanding of these motor impairments is expected to lead to more effective interventions for poststroke gait and posture.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.