@ct every summer I like to drop from five to four days at the gym and do sprints at the track. If you had only four weeks to become a cardio machine at sprinting how would you structure it?
ty for your time
@ct every summer I like to drop from five to four days at the gym and do sprints at the track. If you had only four weeks to become a cardio machine at sprinting how would you structure it?
ty for your time
for fat loss, yes