Should You Arch Your Back ?

I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff. Make Podcast For people who don’t have vertebral pathology, arching their back during an exercise isn’t a problem. Arching a little bit the back for exercises…

Low Back Pain

  I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff. Make Podcast : The most common painful affection of lumbar region is low back pain. Usually it’s not serious because it’s often due to the cramps…