<P> The serratus anterior is occasionally called the `` big swing muscle '' or `` boxer 's muscle '' because it is largely responsible for the protraction of the scapula -- that is , the pulling of the scapula forward and around the rib cage that occurs when someone throws a punch . </P>
<P> The serratus anterior is occasionally called the `` big swing muscle '' or `` boxer 's muscle '' because it is largely responsible for the protraction of the scapula -- that is , the pulling of the scapula forward and around the rib cage that occurs when someone throws a punch . </P>
the boxer muscle is known in medical terms as
the boxer muscle is known in medical terms as
The serratus anterior
The serratus anterior