More ideas from yutaro
Rectus abdominis.pngOrigin	crest of pubis Insertion	Costal cartilage of ribs 5-7, xiphoid process of sternum Artery	inferior epigastric artery Nerve	segmentally by thoraco-abdominal nerves (T7 to T11) Actions	Flexion of the lumbar spine

pngOrigin crest of pubis Insertion Costal cartilage of ribs xiphoid process of sternum Artery inferior epigastric artery Nerve segmentally by thoraco-abdominal nerves to Actions Flexion of the lumbar spine

someone who appears to be skinny with little body fat, yet there is a pot belly sticking out above the waist.  To me this is an indication of a tight psoas major people think that building your core is the antidote to back pain.  And while it is true— if your psoas is tight and you do a lot of sit ups, shortening the distance between the pelvis and the ribcage, you are limiting the amount of room for organs. The psoas pushes the organs forward and the tight rectus abdominis pushes them…

We all need a strong and balanced core. We all want a long and strong psoas major muscle. These two factors are equally important but they often get in each other’s way in the search .