Muscle Patterning in the Overarm Throw and Tennis Serve: An Electromyographic and Film Study of Skilled and Less Skilled Performers |
Common terms and phrases
abdominal oblique muscles addition Analysis appeared APPENDIX arm reached assist average ball beginning body bursts of activity camera corresponding deltoid muscle differences electrode electromyograms EMG records equipment EXT ABD OBL external abdominal oblique Figure follow-through phases four ft/s greater impact indicate individuals INFRA initiated lateral less skilled performers less skilled servers less skilled throwers Lever and Muscle marked middle move movements msec muscle activity Muscle Patterning nine observed occurred overarm throw pectoralis major placed portion position posterior deltoid Preparation preparatory phase prior projection phase racket head range rear view tracings release responses rotation segment selected sequence serratus shoulder girdle shoulder joint abduction showed side and rear similar speed sport skills subjects tennis serve tion TRAP trapezius muscle trials trunk upper upper extremity upper trapezius upswing utilized variations velocity vertical line drawn