A type of involuntary contraction can be seen in an isolated muscle but plays a minimal role in normal muscle activity isGroup of answer choicesTwitchIsometricIsotonicSprain

During isometric contraction, muscles do not change length. Group of answer choicesTrueFalse

Which muscle contraction is involuntary?Group of answer choicesskeletal onlycardiac onlycardiac and smooth musclesmooth onlycardiac, smooth and skeletal muscle

Shortening of a muscle cell is known as what type of contraction?staticconcentriceccentricinvoluntary

A muscular contraction with a barbell involving movement of a body part through a full range of motion is called anGroup of answer choicesisokineticisotonic exerciseeccentric exerciseisometric exercise

isometric contraction, skeletal muscle stays the same length as it contracts.