Coordination of Movement

Areas of the cerebrum which recieve sensory information send impulses to association areas. Impulses then pass to motor areas, and from there to effectors. In the association area the brain integrates these sensory inputs and motor outputs to ensure that muscular movement is coordinated and appropriate.

A muscle can exert force only by contracting, not by lengthening. There must be at least a pair of muscles attached across a joint,…