Clinical Study

The Effects of High-Intensity versus Low-Intensity Resistance Training on Leg Extensor Power and Recovery of Knee Function after ACL-Reconstruction

Table 1

The 12-week weight training protocol for the high- and low-intensity resistance training.

Week HRT-group
Sets × repetitions (load)
LRT-group
Sets × repetitions (load)
BilateralUnilateralBilateralUnilateral

8*1 × 20 (20RM)2 × 15 (20RM)1 × 30 (30RM)1 × 20 (30RM)
9*1 × 20 (20RM)3 × 15 (20RM)1 × 30 (30RM)2 × 20 (30RM)
10 + 111 × 15 (15RM)3 × 12 (15RM)1 × 20 (20RM)2 × 20 (20RM)
12 + 131 × 12 (12RM)3 × 10 (12RM)1 × 20 (20RM)2 × 20 (20RM)
14–201 × 8 (8RM)3 × 8 (8RM)1 × 20 (20RM)2 × 20 (20RM)

HRT: high-intensity resistance training; LRT: low-intensity resistance training.
RM: repetition maximum. 1RM is the most weight you can lift for one repetition. 15RM is the most weight you can lift for 15 repetitions.
*Familiarization period.