Sentences with phrase «muscle fiber composition»

Training can increase muscle mass and alter muscle fiber composition depending on the specifics of an athlete's training.

According to scientific studies, muscle fiber composition of the chest is 60 % fast - twitch and 40 % slow - twitch fibers.

More than 150 genes have been linked to different aspects of physical performance, including oxygen uptake efficiency, aspects of heart performance, and muscle fiber composition.

The more superficial heads of the triceps — the lateral and long heads — are composed predominantly of fast - twitch muscle fibers, which means they respond well to heavier loads and lower reps. Whereas, the deeper part of the triceps — the medial head — is more slow - twitch in its muscle fiber composition; accordingly, it tends to respond better to lighter loads and higher reps.

Outcome — the muscle fiber composition of a muscle, which reflects actual shifts in muscle fiber type on a fiber - by - fiber basis.

Unlike muscle fiber area, muscle fiber composition is a relative measurement.