https://youtu.be/mGvzVjuY8SY The Most Effective Squat Challenge: 100 Rep Fitness Blender Squat Challenge https://youtu.be/aKFVZu_4Lq4 Crunchless Abs Workout - Crunch Free Ab Workout Routine https://youtu.be/aoGlnGMLE6o 5 Minute Butt Lifting Workout - Shape Tone Tighten and Lift your Booty in 5 Minutes 之前的第二、三今天對調試作,好像比較恰當. 拉筋