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Kinematic Analysis Using 3D Motion Capture of Drinking Task in People With and Without Upper-extremity Impairments
Published on: March 28, 2018
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Kinematic Analysis of a Drinking Task in Chronic Hemiparetic Patients Using Features Analysis and Statistical
Gabriela Lopes Santos1, Thiago Luiz Russo1, Angela Nieuwenhuys2
1Laboratory of Neurological Physiotherapy Research, Department of Physiotherapy, Federal University of São Carlos (UFSCar), São Carlos, SP, Brazil.
Archives of Physical Medicine and Rehabilitation
|September 24, 2017
Summary
Chronic hemiparetic individuals exhibit altered sitting posture and movement strategies during a drinking task, particularly in proximal joints. Scapular movement normalization after the initial phase offers potential for rehabilitation insights.
Area of Science:
- Biomechanics
- Neurorehabilitation
- Human Movement Science
Background:
- Hemiparesis, a common consequence of stroke, significantly impacts motor control and functional abilities.
- Understanding movement strategies in individuals with hemiparesis is crucial for developing effective rehabilitation interventions.
Purpose of the Study:
- To compare sitting posture and movement strategies between chronic hemiparetic and healthy subjects during a drinking task.
- To identify kinematic differences in joint angles and spatiotemporal parameters.
Main Methods:
- A cross-sectional study involving 26 participants (13 hemiparetic, 13 healthy).
- Kinematic analysis of trunk, scapulothoracic, humerothoracic, and elbow joints during a multi-phase drinking task.
- Statistical parametric mapping (SPM) and feature analysis were employed to compare movement patterns.
Main Results:
- Hemiparetic subjects displayed significant deviations in proximal joint positioning and movement strategies, especially during static posture and the reaching phase.
- Altered spatiotemporal variables were observed throughout most task phases, with notable differences in trunk and shoulder kinematics.
- While initial movements were affected, scapular kinematics showed a trend towards normalization after the reaching phase.
Conclusions:
- Chronic hemiparetic individuals demonstrate distinct kinematic patterns and postural strategies compared to healthy controls during functional tasks.
- The observed normalization of scapular movement post-reaching phase presents a potential target for therapeutic interventions aimed at improving upper limb function.
