Resistance

Resistance, like force, is something our muscles can apply to produce a different movement in the body or an effect in the world through the work of our limbs. Resistance is applied through connections between joints, called synovial joints, which are fulcrums, the bones they connect are levers, and the muscles attached to them apply force (or resistance). Through resistance, a muscle that ordinarily Continue Scrolling To Read More Below...

Continued From Above... would move a bone can hold position and create another movement, creating the fixed point of origin for another muscle.