In Rhythmic Behavior Such as Human Walking, Each Muscle Contraction

Question

In rhythmic behavior such as human walking, each muscle contraction occurs in response to
A) nerve action potentials originating in the CNS.
B) nerve action potentials originating in peripheral neurons.
C) stretch reflexes originating in the muscle.
D) spontaneous action potentials originating in muscle cells.

Accepted Answer

Muscle contractions during rhythmic behaviors like walking are primarily initiated by nerve action potentials that originate in the central nervous system (CNS), which coordinates and controls these movements.