Question

what stimulates the movement of muscles​

Answer 1

$\huge\mathfrak\red{AnsweR}$

The Sliding Filament Theory.....

The motor end plate (also known as the neuromuscular junction) is the junction of the motor neurons axon and the muscle fibres it stimulates. When an impulse reaches the muscle fibres of a motor unit, it stimulates a reaction in each sarcomere between the actin and myosin filaments....

Answer 2

Nerves Impulses stimulates the movement of muscles.