20초 쉬는거 맞아요? 굽신 거리는 것도 텀이 너무 짧으면 효과가 덜한텐디
JJsK8·Kneeling Triceps Extension·2024-09-14Is it really a 20-second break? If the interval is too short, the effect of bowing might be less.Show original1