you run the risk of short shipments back to premature fatigue of the
forearm muscles, and indeed excessive participation in the exercise of
hands. At the top of the movement enough to catch up to the position -
at eye level crossbar. Pulling his head to involve some work fewer
muscles than pulling up to the chest, but more effective for the
development of muscular back as largely involve the upper spinal
muscular layers array.
At the stage of induction training, use
the classic version of pull-ups - wide grip optimally, without
encumbrances, to the chest, in the "good" amplitude, gradually
increasing the number of movements. From the level of the initial rate
for the harmonious development and achievements of the functional
balance start using pull his head. When entering the regulated number of
movements - 20 (15), somewhere in the level of the main bulk of the
training, start using weights.