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Hướng dẫn

Hướng dẫn tiếng Việt cho bài này chưa có, nên bên dưới hiển thị bản tiếng Anh.

1. Lie on the floor face down and place your hands about 36 inches apart from each other holding your torso up at arms length.
2. Place your toes on top of an exercise ball. This will allow your body to be elevated.
3. Lower yourself until your chest almost touches the floor as you inhale.
4. Using your pectoral muscles, press your upper body back up to the starting position and squeeze your chest. Breathe out as you perform this step.
5. After a second pause at the contracted position, repeat the movement for the prescribed amount of repetitions.