Slow-twitch fiber
Medical term · S
One of two main types of skeletal muscle fibers. Slow-twitch fibers are recruited most heavily for endurance (aerobic) exercises. See also fast-twitch fiber.
Related terms
-
Fast-twitch fiberOne of two main types of skeletal muscle fibers. Fast-twitch fibers are recruited most heavily when bursts of power are needed, as in sprinting. See also slow-twitch fiber.
-
Muscle fibersCells bundled together to make up muscle tissue. Also known as muscle cells.
-
AerobicAny process that requires oxygen. Often used to describe a form of exercise, aerobic exercise.
-
FiberA substance found in plant foods that the body can’t digest.