During two-arm cranking in 5 groups of men (able-bodied and leg-disabled with different states of training; wheelchair-dependents with basket-ball training) the behaviour of parameters of the motor and cardiopulmonary system (iEMG, heart rate, oxygen uptake) was investigated. On the basis of stepwise increasing physical work up to exhaustion the group of swimtrained leg-disabled men showed the highest physical working capacity. The lowest physical fitness was found in wheelchair-dependent men.
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