Table 2. Training programs implemented during the offseason.
HIIT PJT HIIT+PJT
Week 1 Session 1: 4 sets, 2 repetitions, 45 seconds work (90%VIFT) interspaced by 45 seconds rest between repetitions and 3 minutes between sets

Session 2: 4 sets, 2 repetitions, 60 seconds work (85%VIFT) interspaced by 60 seconds rest between repetitions and 3 minutes between sets
Session 1: 4 × HCMJ two leg; 4 × HCMJ dominant leg; 4 × HCMJ non dominant leg; 4 × HRCMJ (3 bounce); 4 × HRCMJ (3 bounce) dominant leg; 4 × HRCMJ (3 bounce) non dominant leg
(3 minute rest between exercises)

Session 2: 4× VCMJ; 4× VCMJ; 4× VCMJ; 4× drop jumps (30 cm); 4× drop dominant leg jumps (15 cm); 4× drop non dominant leg jumps (15 cm)
(3 minute rest between exercises)
Session 1: 4 × HCMJ two leg; 4 × HCMJ dominant leg; 4 × HCMJ non dominant leg; 4× VCMJ; 4× VCMJ; 4× VCMJ; 4× drop jumps (30 cm)
(3 minute rest between exercises)

Session 2: 4 sets, 2 repetitions, 45 seconds work (90%VIFT) interspaced by 45 seconds rest between repetitions and 3 minutes between sets
Week 2 Session 3: 4 sets, 2 repetitions, 45 seconds work (90%VIFT) interspaced by 45 seconds rest between repetitions and 3 minutes between sets

Session 4: 4 sets, 2 repetitions, 60 seconds work (85%VIFT) interspaced by 60 seconds rest between repetitions and 3 minutes between sets
Session 3: 4 × HCMJ two leg; 4 × HCMJ dominant leg; 4 × HCMJ non dominant leg; 4 × HRCMJ (3 bounce); 4 × HRCMJ (3 bounce) dominant leg; 4 × HRCMJ (3 bounce) non dominant leg
(3 minute rest between exercises)

Session 4: 4× VCMJ; 4× VCMJ; 4× VCMJ; 4× drop jumps (30 cm); 4× drop dominant leg jumps (15 cm); 4× drop non dominant leg jumps (15 cm)
(3 minute rest between exercises)
Session 3: 4 × HCMJ two leg; 4 × HCMJ dominant leg; 4 × HCMJ non dominant leg; 4× VCMJ; 4× VCMJ; 4× VCMJ; 4× drop jumps (30 cm)
(3 minute rest between exercises)

Session 4: 4 sets, 2 repetitions, 60 seconds work (85%VIFT) interspaced by 60 seconds rest between repetitions and 3 minutes between sets
Week 3 Session 5: 4 sets, 2 repetitions, 45 seconds work (90%VIFT) interspaced by 45 seconds rest between repetitions and 3 minutes between sets

Session 6: 4 sets, 2 repetitions, 60 seconds work (85%VIFT) interspaced by 60 seconds rest between repetitions and 3 minutes between sets
Session 5: 4 × HCMJ two leg; 4 × HCMJ dominant leg; 4 × HCMJ non dominant leg; 4 × HRCMJ (3 bounce); 4 × HRCMJ (3 bounce) dominant leg; 4 × HRCMJ (3 bounce) non dominant leg
(3 minute rest between exercises)

Session 6: 4× VCMJ; 4× VCMJ; 4× VCMJ; 4× drop jumps (30 cm); 4× drop dominant leg jumps (15 cm); 4× drop non dominant leg jumps (15 cm)
(3 minute rest between exercises)
Session 1: 4 × HCMJ two leg; 4 × HCMJ dominant leg; 4 × HCMJ non dominant leg; 4× VCMJ; 4× VCMJ; 4× VCMJ; 4× drop jumps (30 cm)
(3 minute rest between exercises)

Session 2: 4 sets, 2 repetitions, 45 seconds work (90%VIFT) interspaced by 45 seconds rest between repetitions and 3 minutes between sets
HIIT: high-intensity interval training group; PJT: plyometric jump training group; and HIIT+PJT group; HCMJ: horizontal countermovement jumps; VCMJ: vertical countermovement jumps; VIFT: final velocity at 30-15 Intermittent Fitness test