Question

Muscles can contract even when there is no visible movement.

OA
True
ОВ.
False

Answer 1

true

Step-by-step explanation:

Joint movement may occur without any muscle contraction. Eccentric muscle contractions are referred to as muscle actions instead of a contraction since the muscle is shortening as opposed to lengthening.

with this info the answer is true

Answer 2

true it’s called a isometric muscle contraction