These goals do not require heavy weights and instead concentrate on high numbers of repetitions and a slow lifting tempo, which a stability ball naturally lends itself well to. (ballingerathleticperformance.com)
You perform a relatively high number of repetitions, 15 to 25 per set, for one or two sets. (verywellfit.com)
Hurry because spots are limited to 36 - 70 players depending on the location to ensure a high number of repetitions and quality instruction. (sportstarsmag.com)