Performing the: A Step-by-Step Tutorial Cross Twisting Sit-Up
Position your hands behind your head, elbows pointing outwards, ensuring not to pull on your neck when you move.
Engage your core and lift your upper body towards your knees, while simultaneously twisting your torso so your right elbow moves towards your left knee.
Lower your body back to the starting position in a controlled manner.
Repeat the process, this time twisting your torso so your left elbow moves towards your right knee, and continue alternating sides for each rep.