raw or rectified and integrated electromyograms ( integrated emgs ) of the leg muscles were recorded during ( a ) isotonic ramp shortening or lengthening contractions consisting of foot plantar flexions against a constant load , or dorsal flexions accomplished by braking the load and yielding to it , respectively , and ( b ) isometric increasing or decreasing plantar torques accomplished by graded contractions or relaxations of the triceps muscles .
C0016504
foot
C0230463
plantar