Muscles that work like this are called antagonistic pairs. In an antagonistic muscle pair as one muscle contracts the other muscle relaxes or lengthens. The muscle that is contracting is called ...

muscles work in 'antagonistic muscle pairs'. One muscle of the pair contracts to move the body part, the other muscle in the pair then contracts to return the body part back to the original position.

To determine if stretching intervention of the antagonist muscles affects performance, subjects carried out a squat jump test before and immediately following the intervention. Vertical jump height, ...