SHERMAN, TX-- For this week's, Work Out Wednesday, we discuss fiber, back extensions and the myth that women's muscles can grow to be as large as a man's.
Nate Sonnier of Ultimate Family fitness introduces us to a back extension. This exercise works your upper and middle back. Lie on the floor, face down and put your fingers behind your ears. Lift your chest and shoulders off the ground, hold and return to the starting position.