Yosra Cherni

ORCID: 0000-0001-9574-3453
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About
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Research Areas
  • Cerebral Palsy and Movement Disorders
  • Stroke Rehabilitation and Recovery
  • Muscle activation and electromyography studies
  • Botulinum Toxin and Related Neurological Disorders
  • Balance, Gait, and Falls Prevention
  • Prosthetics and Rehabilitation Robotics
  • Family and Disability Support Research
  • Lower Extremity Biomechanics and Pathologies
  • Diabetic Foot Ulcer Assessment and Management
  • Muscle Physiology and Disorders
  • Infant Development and Preterm Care
  • Foot and Ankle Surgery
  • Pregnancy-related medical research
  • Transcranial Magnetic Stimulation Studies
  • Knee injuries and reconstruction techniques
  • Genetic Neurodegenerative Diseases
  • Total Knee Arthroplasty Outcomes
  • Musculoskeletal pain and rehabilitation
  • Maternal and Perinatal Health Interventions
  • Motor Control and Adaptation
  • Advanced Sensor and Energy Harvesting Materials
  • Spinal Cord Injury Research
  • Neurogenetic and Muscular Disorders Research
  • Pelvic and Acetabular Injuries
  • Sports injuries and prevention

Université de Montréal
2017-2025

Centre Hospitalier Universitaire Sainte-Justine
2017-2025

Université Laval
2021-2022

Centre for Interdisciplinary Research in Rehabilitation
2021-2022

Centre Intégré Universitaire de Santé et de Services Sociaux du Centre-Sud-de-l'Île-de-Montréal
2022

Centre Intégré Universitaire de Santé et de Services Sociaux du Saguenay–Lac-Saint-Jean
2022

Centre intégré universitaire de santé et de services sociaux de la Capitale-Nationale
2022

Institut Pprime
2019-2020

Centre National de la Recherche Scientifique
2019-2020

Université de Poitiers
2019-2020

Myotonic dystrophy type 1 is an inherited muscular characterized by muscle weakness, myotonia, and balance deficits, contributing to early fatigue increased risk of fall during walking. This study investigated gait changes due continuous walking exercise. Fourteen individuals with myotonic were included (age 42.0 ± 8.8 years, height 1.63 0.10 m, mass 75.2 22.2 kg). Maximal isometric hip knee strength was measured using a handheld dynamometer. A 3D analysis, 12-camera optoelectronic system,...

10.1016/j.clinbiomech.2025.106446 article EN cc-by-nc Clinical Biomechanics 2025-02-01

For children with cerebral palsy (CP), walking on uneven surfaces (US) is a challenging task essential for their engagement in daily lives. This study aims to compare spatiotemporal parameters of multiple domains (pace, rhythm, stability, variability) spastic CP between gait an surface and even (ES) assess differences against typically developing (TD) peers. A total 34 (17CP/17TD) walked at self-selected speed US ES. Gait speed, stride length, time, walk ratio, cadence, double single support...

10.1038/s41598-025-89280-x article EN cc-by-nc-nd Scientific Reports 2025-02-10

10.1016/j.jogoh.2019.02.009 article EN publisher-specific-oa Journal of Gynecology Obstetrics and Human Reproduction 2019-02-20

Objectives: To compare the effects of high-velocity resistance training to slow-velocity re-sistance on neuromuscular and functional parameters analyze relationship between changes in walking speed improvements following intervetions. Methods: 40 participants were randomly assigned either a high-speed group (GHS, n = 18; age 80.41 ± 10.12 years; BMI 23.81 3.45 kg/m²) or low-speed (GLS, 22; 82.89 5.32 kg/m²). Before after interventions, gait (m/s) was assessed using 10-minute test, relative...

10.20944/preprints202407.0762.v1 preprint EN 2024-07-09

Motivation and commitment are major factors in the effectiveness of a rehabilitation treatment. To increase level interest disabled children their training session, game that uses Lokomat as input controls has been developed. The consists an endless runner (actually walker) on dock with various obstacles randomly appearing player must step over. Signals (joint torque and/or joint kinematics) acquired analyzed real-time to determine which movement kid tries perform avatar reacts accordingly....

10.1109/icvr.2017.8007482 article EN 2017-06-01

Background and purpose: The strategies for walking fast have never been reported in children with cerebral palsy who walk crouch gait. This study aimed to assess what extent gait are able increase their speed report the corresponding three-dimensional kinematic adaptations.Methods: Eleven adolescents (aged between 7 17 years) bilateral palsy, gait, were asked at self-selected comfortable then as possible without running. spatio-temporal parameters, well center of mass displacements compared...

10.1080/09638288.2018.1493158 article EN Disability and Rehabilitation 2018-09-28

The L-STIFF tool of the Lokomat evaluates hip and knee flexors extensors spasticity in a standing position. It moves lower limb at controlled velocity, measuring joint resistance to passive movements. Since its reliability children with cerebral palsy remains unknown, our goal was evaluate relative absolute palsy.Reliability determined 16 by two experienced therapists. changes resistive torque both flexion extension were measured. Relative estimated using intraclass correlation coefficient,...

10.1080/09638288.2019.1646814 article EN Disability and Rehabilitation 2019-08-01

Abstract Clinical gait analysis on uneven surfaces contributes to the ecological assessment of deviations children with spastic cerebral palsy (CP). Walking requires specific motor strategies, which can be assessed by lower-limb kinematic and inter-joint coordination analyses. This study aimed assess compare kinematics between CP their typically developing (TD) peers when walking even two levels (medium high). A total 17 TD (11.5 ± 3.5 10.4 4.5 years old, respectively) were asked complete...

10.1038/s41598-023-49196-w article EN cc-by Scientific Reports 2023-12-08

Objective The aim of this study was to evaluate kinematic changes and muscle fatigue in jump gait during a walking exercise the relationship between strength. Design This preliminary included 10 children with cerebral palsy who walk gait. Hip knee maximal isometric strength were measured using dynamometer. Then, lower-limb kinematics electromyography collected while walked continuously for 6 min at their self-selected speed. Electromyography median frequency joint angles compared first sixth...

10.1097/phm.0000000000001713 article EN American Journal of Physical Medicine & Rehabilitation 2021-02-10

Abstract Background Guidelines and description about the achievement of McRoberts manoeuvre are discordant, particularly concerning need for abduction before beginning manoeuvre. We sought to compare biomechanical efficiency McRoberts’ manoeuvre, with without thigh abduction. Methods In a postural comparative study, twenty-three gravidas > 32 weeks gestational age not in labour were assessed during three repetitions two that differed terms starting position. For (i) McRoberts, legs...

10.1186/s12884-020-02952-6 article EN cc-by BMC Pregnancy and Childbirth 2020-05-04

In the past two decades, neurorehabilitation has been complemented with modern robotic assisted devices, such as Lokomat for gait training. The is a trainer adjustable in g...

10.1080/10255842.2020.1714246 article EN cc-by Computer Methods in Biomechanics & Biomedical Engineering 2019-05-01
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