In the last few newsletters, I focused on researcher Chris Beardsley’s observation on how muscles can grow in specific areas…

In a nutshell, he says that muscle can grow in length from stretch resistance, which creates more size at the ends of the target muscle, OR muscle fibers can increase in diameter from contraction, or contractile force, which thickens the muscle more near the center, a.k.a. the belly of the muscle. [Read more…]