i·so·ki·net·ic exercise (īsō-kə-nětĭk, -kī-)
n.
Exercise performed with a specialized apparatus that provides variable resistance to a movement, so that no matter how much effort is exerted, the movement takes place at a constant speed. Such exercise is used to test and improve muscular strength and endurance, especially after injury.

[TahlilGaran] American Dictionary ▲