isometric muscle exercise
Question
Which of the following describes isometric muscle exercise?<table><tbody><tr><td>Muscle
size and strength will increase because the muscle fibers are making more myofilaments.</td> </tr><tr><td>Muscle endurance increases because the circulation to the muscles is enhanced.</td> </tr><tr><td>Muscle size increases because the muscle fibers produce more mitochondria.</td> </tr><tr><td>Muscle flexibility is increased because the muscle continually shortens.</td> </tr><tr><td>Muscles do not shorten during contraction so the muscles do not increase in size.</td> </tr></tbody></table>