Ans: The oblique crunches will be very helpful in improving the overall core strength and also tone up the abdominal muscles of the body. The oblique crunches also work on maintaining the proper form. The oblique crunches workout can be intensified by synchronizing your abdominal breathing during the exercise and by adding extra repetitions or by raising the legs off the ground. Oblique crunches are known to improve lateral stability and also to increase core strength which can help to prevent back injury.