What is the definition for static contraction ?

Definition. An isometric exercise is a form of exercise involving the static contraction of a muscle without any visible movement in the angle of the joint. ... This is in contrast to isotonic contractions, in which the contraction strength does not change, though the muscle length and joint angle do.

The definition for static contraction is:

An isometric exercise is a form of exercise involving the static contraction of a muscle without any visible movement in the angle of the joint. This is in contrast to isotonic contractions, in which the contraction strength does not change, though the muscle length and joint angle do.

the insertion of a penis into a vagina.

i think the answer is c

hope this