Academic journal article Research Quarterly for Exercise and Sport

Muscle Activation and Force Productions in Parkinson's Patients during Sit-to-Stand Transfers. (Special Populations)

Academic journal article Research Quarterly for Exercise and Sport

Muscle Activation and Force Productions in Parkinson's Patients during Sit-to-Stand Transfers. (Special Populations)

Article excerpt

The purpose of this study was to compare the muscle activation, kinematics, and force production between individuals with Parkinson's disease and healthy, age-matched participants during sit to stand transfers. Twenty-four men with a mean age of 71.5 years. categorized as Parkinson's patients (N 13), and healthy adults (N= 11) participated in this study. The trial protocol required participants to rise from a seated to standing position from a standard height of 17 inches and return to a sitting position after 30s. Two force platforms, positioned under each foot, measured anteroposterior and vertical force components as well as peak torque moments during each trial, In addition, muscle activation was measured by a six channel, bilateral electromyography (EMG) system and recorded muscle frequency levels at 1000 samples per sec. (Hz). Reflective markers were placed at lower body joint locations and a kinematic assessment was conducted with a Peak Performance motion analysis system. Data collection devices were synchronized and activated upon the initial movement of the participant. …

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