home multifunctional exercise equipment
● Abdominal exercise: make the right sit-ups, you can forge a piece of abdominal muscle Refine into 6 pieces. ● Back: train the lower back muscle groups (deltoid, large round machine, broad back muscle (etc.), strengthen the back strength, for office workers, can reduce because of long For office workers, it can reduce the back pain caused by long hours of sitting and standing, and improve the situation of hunchback