In the forearm muscles, the dynamic muscle work
(contraction/de-contraction) performed over 30 s, foster
the lactate removal and fatigue will not create serious problems, and the - unconscious - switch in efforts be-tween left-right arms has a balancing effect on the fatigue MPF. The positive effects can be linked to the advantageous
dynamic pattern of ‘contraction and relaxation’ which
creates micro recovery periods.