Lower Ab Muscle Diagram. Many of these muscles are below the surface of the body so they are not visible even when an athlete has developed them. The gastrocnemius muscle plural gastrocnemii is a superficial two headed muscle that is in the back part of the lower leg of humans.
Sometimes known as the lats they help move the arms and shoulders. It runs from its two heads just above the knee to the heel a three joint muscle knee ankle and subtalar joints. An anatomical illustration showing many muscles in the upper body including the abdominal muscles.
For most guys you need to be under 10 to start seeing your top 2 abs also known as your rectus abdominis if youve read my article on the anatomy of your abs.
Core muscles are the muscles in the bodys lower and upper torso. Muscles of the abdomen lower back and pelvis. Pain in your abdomen that increases with activity. It runs from its two heads just above the knee to the heel a three joint muscle knee ankle and subtalar joints.