Good Position For Abs

Action on lumbar curvature of the psoas muscle Psoas muscles have other functions than to be powerful flexors of hip. They put the lumbar spine in lordosis, which increases the arch. I read a Frederic Delavier’s book « Strength Training Anatomy »…

Neck Position

I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff. In bodybuilding, having a bad neck’s position during an exercise can create neuralgia. These neuralgias are numbness of the arm with tingling. These sensations arrive a…