Performing the: A Step-by-Step Tutorial Sit up with Chair Assisted
Hook your feet under the chair to secure them.
With your hands behind your head or crossed on your chest, slowly and carefully lean back until your back is flat on the floor.
Use your abdominal muscles to lift your upper body back up to the starting position, keeping your feet under the chair for support.
Repeat this movement for the desired number of repetitions, ensuring that you are using your core strength to lift your body and not pulling with your neck or arms.