is the oblique part of ribcage
Your oblique muscles are part of your abdominals and are located on the sides of your midsection, under your rib cage. The obliques are used a lot in sporting movements such as bending and twisting.blique Ball Stretch. Using a stability ball is a good way to safely stretch your oblique muscles. To do the stretch, lie on the ball on your left side, with your left hand on the floor. Keep your feet on the floor and reach up over your head with your right hand to feel the stretch in your right obliques.