researchers have estimated that can account for 18 percent of diabetes and a similar percentage of a variety of other major health concerns, including broken bones due to osteoporosis.

If you were running a marathon, which type of muscle fibers would be most useful to you? a. slow-twitch b. fast-twitch, type i a c. intermediate-twitch, type ii b d. slow-intermediate twitch, type i b select the best answer from the choices provided. a b c d