the deep abdominal muscles include the transverse abdominis and the rectus abdominis

muscle abdominal medicine anatomy health chest body hernia human background athletic adult torso healthy man muscular athlete abdomen person surgery fit wall caucasian model fitness sport naked rectus abdomini external oblique abdominis beautiful build pubic bone posing internal anterior bodyfat coracoid transverse iliac crest belly energy button biceps trunk strength pectoral shirtless