Quadratis Lumborum Exercise Lying comfortably on the floor, bend one leg up and raise your arms over your head. Gently rotate your trunk away from the bent leg. Now use your straighten arms to flex your trunk to the other side of your body. You will feel a stretch on one side of upper part of your lower back. Repeat 3 times and then change over and repeat the exercise with then other leg bent. Tip: This is an advanced stretch. Add this exercise after you have tried some of the others.* Caution: Do not continue if you experience back or neck pain. Repeat this sequence 3 times. Perform 1 times per day. Perform 5 days per week. *NOTE: It is normal to experience slight discomfort while performing stretches or certain exercises. However, if any exercise or stretch causes pain or more than just slight discomfort, please discontinue the exercise or stretch. » back Make your online appointment here or ring (02) 9540 1833