Table 2 Training protocol for the control group (CG). Week Exercises Strengthening Jumps Speed Proprioception 1 Press 2-legs 3*50 1-leg curl 3*50 Chair 5*20 Forward barrier jump 2-legs 1*20 (50cm) Balance with injured leg on unstable circle platform 10*15s 2 Press 2-legs 3*50 Injured leg curl 3*50 Chair 7*20 Forward barrier jump 2-legs 1*20 (50cm) Balance with injured leg on unstable circle platform 10*15s 3 Press injured leg 3*50 Injured leg curl 3*50 Chair 5*30 Forward barrier jump Non injured leg 1*20 Injured leg 1*20 (50cm) Moderate speed run forward 5*10m Balance with injured leg on unstable circle platform 10*15s 4 Press injured leg 3*50 Injured leg curl 3*50 Chair 7*30 Forward barrier jump Non injured leg 1*20 Injured leg 1*20(50cm) Moderate speed run ackward 5*10m Balance with injured leg on unstable circle platform 10*15s 5 Press injured leg 3*50 Injured leg curl 3*50 Chair 5*40 Lateral barrier jump 2-legs 1*20 (50cm) High speed run forward 5*10m+180°turn Balance with injured leg on unstable rectangular platform 10*15s 6 Press injured leg 3*50 Injured leg curl 3*50 Chair 7*40 Lateral barrier jump 2-legs 1*20 (50cm) High speed run backward 5*10m+180°turn Balance with injured leg on unstable rectangular platform 10*15s 7 Press injured leg 3*50 Injured leg curl 3*50 Chair 5*50 Lateral barrier jump Non injured leg 1*20 Injured leg 1*20 (50cm) Lateral sprint 5*10m Balance with injured leg on unstable rectangular platform 10*15s 8 Press injured leg 3*50 Injured leg curl 3*50 Chair 7*50 Lateral barrier jump Non injured leg 1*20 Injured leg 1*20 (50cm) Forward sprint+180° turn + backward sprint 5*10m Balance with injured leg on unstable rectangular platform 10*15s Add 5kg in leg press and 2kg in leg curl+chair every 2 weeks. Charge depending on individual capacity: Press (between 80-100 kg for 2 legs, 40-50kg for 1 leg). Leg curl+chair (between 40-50kg).