A mother sprints across the yard to grab her small child before he enters the street. The mother is using her . A.
type I A slow-twitch muscle fibers that provided her with a fast burst of movement
B.
type II B fast-twitch muscle fibers that respond quickly and provide her with speed and strength
C.
type I B intermediate-twitch muscle fibers that respond quickly because they are delivered energy aerobically
D.
type II A fast-twitch muscle fibers that act rapidly because they are delivered energy anaerobically

Please select the best answer from the choices provided.

A
B
C
D
i know its the wrong subject. The real subject is Lifetime Fitness.