the strongest muscles in this group is the muscle, straightening the
spine, m. erector spinae, stretching along the whole length of the spine
from the sacrum to the skull base lies in the third layer
anterior to the trapezius, rhomboids, rear gear muscle lat. Primary
function: spinal extension and retention in the vertical position. The
main exercises used for the development of spinal array include:
Pull-ups on the bar - Pull-ups can be performed to the chest or head.
You should recognize the wide grip pull-ups optimally to his chest. If
one approaches, the average weight of the athlete is able to perform
more than 20 pull-ups (athlete’s heavier weight - more than 15), you can
use burdening attachable to the belt in front when the pull-up to the
chest (Form 1), and the belt back when performing pull-ups a head.