If a muscle is immobilized in a shortened position, it will atrophy more than if the muscle were placed in a lengthened or stretched position. Concentric and eccentric muscle contractions can be used...

If a muscle is immobilized in a shortened position, it will atrophy more than if the muscle were placed in a lengthened or stretched position.

Concentric and eccentric muscle contractions can be used in selected cases with range-limiting hinged cast-braces.