cardio 負面影響:
用走energy ie less calorie surplus
Also a stimuli that add stress which body need to recover from
Joint wear and tear
Excessive cardio supress mtor
Cardio 正面影響
增加work capacity->more training->more gains
Low intensity cardio can act as active recovery
本身冇乜肌肉嘅話 “cardio” 都夠刺激肌肉生長 尤其係腳