● Thông số kỹ thuật
Chin-ups work your back muscles, the back of your shoulders and arms. Dips work the pushing muscles in your arms, the front of your shoulders, and offer some chest involvement.
● Đánh giá sản phẩm
Chin-ups work your back muscles, the back of your shoulders and arms. Dips work the pushing muscles in your arms, the front of your shoulders, and offer some chest involvement.