Main Muscles: Rectus Abdominis, Transverse Abdominis

Key Points:
– Try to get the balance between your upper and lower body through your center of gravity
– Hold the medicine ball in front of your chest with both hands
– Keep your chest high and core tight
– Simultaneously lift your knees towards your chest while performing a sit-up
– Toss the ball towards the ceiling while keeping your feet off the floor
– Catch and repeat