Fig. 2From: Maximal strength training as physical rehabilitation for patients with substance use disorder; a randomized controlled trialHack squat one repetition maximum (1RM) for (a) the training group and (b) the control group from pre- to posttest. * p < 0.01, difference within group from pre- to posttest. # p < 0.01, difference between groups from pre- to posttestBack to article page