Training Workshop

楷教練教你用 RPE、RIR 與三個身體信號，精準判斷訓練強度是否真的到位，告別無效訓練。

Coach Kai debunks lower chest training myths: Horizontal pressing movements already sufficiently stimulate the lower chest. Most people should stop training the lower chest separately and instead focus on upper chest training to improve overall chest proportions.

Losing weight doesn't necessarily require cardio; the real key is a calorie deficit. However, the one thing you absolutely shouldn't skip during fat loss is weight training, because maintaining muscle means maintaining your metabolism.