EFFECTS OF MUSCLE STRENGTHENING AND PHYSICAL CONDITIONING TRAINING ON TEMPORAL, KINEMATIC AND KINETIC VARIABLES DURING GAIT IN CHRONIC STROKE SURVIVORS
Luci Fuscaldi Teixeira-Salmela, Sylvie Nadeau, Ian McBride, Sandra Jean Olney
A1 Universidade Federal de Minas Gerais, Brazil
A2 University of Montreal, Quebec
A3 School of Rehabilitation Therapy, Queen's University, Kingston, Ontario, Canada
The purpose of this study was to evaluate the impact of a combined program of muscle strengthening and physical conditioning on gait performance in subjects with chronic stroke, using a single group pre- and post-test design. Thirteen subjects were recruited for the 10-week program (3 days/week), which consisted of warm-up, aerobic exercises, lower extremity muscle strengthening and cool-down. Data from cinematographic film and a force plate obtained during multiple walking trials were used in a four-segment kinetic model to yield spatiotemporal, kinematic and kinetic variables. Gait analysis revealed that the 10 week training resulted in significant increases in gait speed associated with improvements in walking patterns as determined by increases in selected kinematic and kinetic measures. After training, subjects were able to generate higher levels of powers and demonstrated increases in positive work performed by the ankle plantar flexor and hip flexor/extensor muscles.
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