Kinesiology

90 degrees abducted angle angular velocity ankle extension ankle joint attachment axis backward ball base biceps brachii body levers body of ulna body segments bones center of gravity contraction determined developed digitorum direction distal distance downward effort arm elbow electromyography extensors feet per second film flexed flexion Flexor flight foot forearm forward front fulcrum greater hand head hip joint horizontal human humerus impulses inches inclination increase joint actions kinesiology knee extension lateral length ligament linear velocity longus lower limbs measured mechanics medial rotation ment metatarsophalangeal joints moment arm momentum motion move movement muscle action muscle fibers muscular myofibril nerve nervous system observed pattern pelvis performer phalanges position posterior posture projection proprioceptors pull push radius reflex resistance arm sagittal shortened shoulder joint side skeletal speed spine supporting surface swing takeoff tendon tension thigh third-class lever tion toes transverse plane trunk underarm upper arm upward vertical weight