Keep your back straight in the seated position. Cross your hands in front of chest.
Extend your body backward as far as possible. Stop for 1 sec then back to the beginning pose.Keep your back straight on during movement.
Erector spinae group.
Assist in training for muscle strength, health care, and body shaping.
Hydraulic cylinder provides 6 smoothly adjustable resistance levels designed to train opposing muscle groups.
Streamline Shape & Ergonomic Design.
Circuit training applicable
Train muscle group-Erector Spinae Group