ContraTRAIN - a Validation Study of Contralateral Training Protocols

This study aims to validate the use of contralateral designs in studies of effects of resistance exercise. It will recruit healthy young (18-35 years) individuals, which will be allocated to 4 experimental groups. In two of the experimental groups, 3x10 or 6x10 repetitions of heavy resistance exercise on one leg will be combined with no training of the other leg for 7 weeks. In the third group, 3x10 repetitions of heavy resistance exercise on one leg will be combined with 6x10 repetitions of heavy resistance exercise on the other leg for 7 weeks. In the fourth group, which serves as a control group, a period of no training (similar in length to the training period of groups 1-3; 7 weeks), before both legs will train 3x10 repetitions of heavy resistance exercise in an unilateral manner.