Sentences with phrase «twitch fiber ratio»

Not exact matches

However, this muscle fiber type composition ratio can vary widely in either direction; some people naturally have quadriceps consisting almost entirely of slow - twitch muscle fibers, while others have mostly fast - twitch fibers.

Some physiological factors such as the ratio of fast - twitch to slow - twitch fibers in your muscles are genetically determined, but others, such as the speed of nerve impulses, which can be improved by both plyometric exercises and weight training, are only resistant to exercise - induced change.