TRX Serratus Saw In the world of underappreciated muscles the serratus anterior is basically at the top of the list. What's a Serratus Anterior Do? "The function of the serratus anterior muscle is to allow the forward rotation of the arm and to pull the scapula forward and around the rib cage. The scapula is able to move laterally due to the serratus anterior muscle, which is vital for the elevation of the arm. The serratus anterior muscle also allows the upward rotation of the arm, which allows a person to lift items over their head. When the shoulder blade is in fixed position , e.g : breathing after a sprint , the serratus anterior lifts the ribcage and thus … [Read more...]