Machine Crunch

I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff. Sitting on the machine with your hands holding the handles. Your feet wedged under the pads : Inhale and round your back to bring your torso to…

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…