Objective To explore an accurate, comprehensive and easy-to-operate assessment of lower limbs exercise capacity for the football players. Methods From June, 2012 to June, 2015, seven healthy young football players (healthy group) and their seven teammates after thighs muscle strain returning to play (injured group) were measured the synergism constriction pattern, activation time and the degree of muscle activation of related muscle during single leg jump, with NORAXON, a 16-channel wireless electromyography telemetry system.Results The sequence of force was significant difference between the two groups (t>2.223, P<0.05). The contribution of long head of biceps was more in the injured group (t=2.778, P<0.05).Conclusion The sequence of muscle force in movement varies after lower extremities injury in athletes. Surface electromyography can test the weakness of local muscle of athletes, to help the evaluation and rehabilitation for them.
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