stretching

a. & n. from stretch, v.

a course or series of stretchers. See Stretcher, 2.

A form of physical exercise in which a specific skeletal muscle (or muscle group) is deliberately elongated to its fullest length in order to improve the muscle’s felt elasticity and reaffirm comfortable muscle tone.

Present participle of stretch.

exercise designed to extend the limbs and muscles to their full extent

act of expanding by lengthening or widening