Start on your back with your legs straight and arms reaching over head. Extend the right leg as you curl up off the shoulder blades and reach for the left calf or thigh. Staying in a curled position, core engaged, while repeatedly switching legs.
This 3-Minute Exercise Will Actually Fix Your Posture
Lie face up with arms and legs extended and resting on the floor. Keep abs tight and lift hands and feet to meet over torso, rolling your core as you sit up. Lower your arms and legs back to the floor.