Performing the: A Step-by-Step Tutorial Sit-up with Arms on Chest
Cross your arms over your chest so that your right hand is on your left shoulder and your left hand is on your right shoulder.
Engage your abdominal muscles by pulling your belly button towards your spine, then slowly lift your upper body, including your head and shoulders, off the floor towards your knees, keeping your feet firmly planted.
Hold this position for a brief moment, ensuring your abdominal muscles are fully contracted.
Slowly lower your upper body back down to the starting position, ensuring you maintain control throughout the movement, and repeat the exercise for the desired number of repetitions.