Answer :
C. Isotonic.
Isotonic contraction produces tension and causes the muscle to shorten. It is the usual means of producing body movement.
Isometric contraction produces tension but the muscle does not shorten.It is used to strengthen joints.
Isotonic contraction produces tension and causes the muscle to shorten. It is the usual means of producing body movement.
Isometric contraction produces tension but the muscle does not shorten.It is used to strengthen joints.