V victorias Full Member 7+ Year Member Joined Dec 30, 2015 Messages 147 Reaction score 12 Jan 8, 2016 #1 Members don't see this ad. What happens to the M line during contraction? Is it just the midpoint of the sarcomere?
Members don't see this ad. What happens to the M line during contraction? Is it just the midpoint of the sarcomere?