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Normalized changes in one concentric repetition maximum of dumbbell curl (1-RM) from baseline to post-training (POST) or detraining (De-Tr) for individual participants and their mean ± SD values of the eccentric training (ET, n = 9) and concentric training (CT, n = 9) groups for the trained arm (A) and non-trained arm (B). *: significantly (P < 0.05) different form the baseline value
