The side plank crunch is a exercise that help your core muscles. The obliques benefit mightily from this exercise and can benefit your back as well.
You’ll start this exercise with a forearm side plank. Hold the position for 30 seconds and begin adding the movement of your leg to the pose.
Bring the elbow and knee together while maintaining the straight pose, your forearm should be below your shoulder. Bring your elbow on your top arm and knee to your top leg into the position to tap the elbow to the knee.
Next rotate the crunch and repeat the exercise according to your workout routine.