나
나아아루룽·Leg Extension·2026-06-11I can only do low weight (9), and I do 3-4 sets, but it varies each time, and my knees hurt a lot.
I can only do low weight (9), and I do 3-4 sets, but it varies each time, and my knees hurt a lot.
무릎이 기계 축이랑 위치 같아야 돼요