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How To Do Machine Back Extension

I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff. Sitting on the machine with your torso bent. The pads placed on your shoulder blades : Inhale and straightens your torso at the maximum Back to the start position by controlling the movement and exhaling. This exercise works spinal erectors muscle mainly, […]

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How to Do Back Extension

I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff. Installed in the bench with your ankles blocked. The axis of the bending is done with the coxofemoral joint and the pubis is outside of the bench : Your torso bent and you make an extension to the horizontal by raising your

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