訓練一次不要超過15分鐘

[2013-10-18 PM18:09] 23.7℃ “On any given day that you are not at performance practice or competition, you training sessions should not exceed 5-15 min. (IMO). I recommend setting a timer (smart phones all have timers).” Do you have a “Training Plan” or do you just “Go For It”? htt…