sprint faster? I'm a 13 years old i weigh 140 and im 5'9
how many reps and sets should i establish?
and how many times a week should i squat?
also if i squat and do sprints how much time shloud i shave off by track season (May)
sprint faster? I'm a 13 years old i weigh 140 and im 5'9
how many reps and sets should i establish?
and how many times a week should i squat?
also if i squat and do sprints how much time shloud i shave off by track season (May)
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