I Ieithegwr Guest Jan 23, 2010 #1 Can it cause cells oxidation or does it rather act against it? And can it badly affect the joints?
L :L :L Guest Jan 23, 2010 #2 if you want to sprint you might as well do interval training a lot safer and better for sprints, quick starts like goalie
if you want to sprint you might as well do interval training a lot safer and better for sprints, quick starts like goalie