Table 1. Protocol of resistance training with instability throughout the six months of intervention.
Months Sets RM Exercises
1 2-3 10-12 Half-squat (balance pad - feet and Swiss ball - back), leg press and plantar flexion (balance pad - feet and balance disc - seat);
2 3 8-10 Half-squat (dyna discs - feet and Swiss ball - back), leg press and plantar flexion (dyna discs - feet and balance disc - seat);
3-4 3-4 8-10 Half-squat (balance disc - feet and Swiss ball - back), leg press and plantar flexion (balance disc - feet and seat);
5-6 4 6-8 Half-squat (bosu - feet and Swiss ball - back), leg press and plantar flexion (bosu - feet and balance disc - seat).
RM = repetition maximum. An interval of at least 90s was guaranteed between sets and exercises.