1RM strength Pre-Training 2-week 4-week 6-week % change Effect size between pre- and post-test
2-set leg 52.0 (11.1) 57.1 (10.3) 61.1 (10.8)   64.6 (9.1)* 24.2 1.24
3-set leg 51.4 (12.9) 58.9 (13.0) 65.7 (14.8) 70.9 (15.6)* 37.9 1.36
*Denotes significant differences of pre- to post-training 1RM values within legs (P < 0.05).
Table 2: Changes in mean 1RM over the experimental period. All results in kg (SD).