Question

The two (2) types of muscle fibers used for training endurance, aerobic bebefits or for strength are called ___ and

Answer 1

The two types of skeletal muscle fibers are slow-twitch (type I) and fast-twitch (type II). Slow-twitch muscle fibers support long distance endurance activities like marathon running, while fast-twitch muscle fibers support quick, powerful movements such as sprinting or weightlifting.