Place your hands behind your head, with your elbows pointing outwards.
Engage your abdominal muscles, and lift your upper body off the ground, while simultaneously lifting your right knee towards your left elbow, trying to touch them together.
Lower your body back to the starting position, and then repeat the movement with your left knee and right elbow.
Continue alternating sides for the desired number of repetitions, ensuring to keep your abdominal muscles engaged throughout the exercise.
Pro Tip
Correct Movement: Lift your upper body off the ground and twist so that your elbow and opposite knee meet in a diagonal line across your body. The common mistake here is rushing the movement. It's important to perform the crunch slowly and with control to effectively engage the oblique muscles. Engage Your Core: Throughout the exercise, ensure your core muscles are engaged. This means pulling your belly button towards your spine and keeping your lower back flat against the ground. A common mistake is to let the back arch off the floor, which can lead to lower back pain. Controlled