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by Liguori, Gary; American College of Sports Medicine (ACSM)
by ACSM
by Ratamess, Nicholas; American College of Sports Medicine (ACSM)
by Magyari, Peter; ACSM
by Taylor Johnson, MS, CSCS, USAW, CES, PN2, Joanne DiFrancisco-Donoghue, PhD, ACSM-CEP and Jerry Balen
by Acsm
by American College of Sports Medicine (ACSM)