EST2000 Chest Extension that can extend the muscles around the chest and make the right posture. It strengthens the cardiopulmonary function due to the movement of respiratory muscle concentrating on the chest and moves the shoulder blades backwards. It corrects posture such as stoop and opens chest and oxygen reaches the head and head refreshes. You can expect such as tiredness of the shoulder and swelling of the arm and a beautiful line of clavicle or a bust top-up.
The major effect is to maintain posture such as stern neck, shoulder stiffness, frozen shoulder, baseball shoulder improvement, bust top up effect, ect.,
Put your hands in place to alternative stretch range.
Stepping on the foot lever and feel the elastic resistance effect on the chest and major joint of upper body.