Sit-Ups

I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff. Lying on your back with your knees bent. Your feet are on the floor and your hands are behind your head : Inhale and lift your torso…

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 »…

Floor Hip Extensions

I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff. Kneeling on one leg and the other under the torso. You’re resting on your elbows or on your hands and your arms outstretched : Tuck your opposite…