Cobra
This yoga pose is a good ab stretch that helps lengthen your core and strengthen your lower back.
How To: Lie face down on the floor with your hands under your shoulders and your legs stretched out behind you. Straighten your arms slowly to lift your chest off the floor. Gaze up, engaging your core, back, and glutes. Hold. Release and repeat.
Ball Back Extensions
This exercise helps tone your back while also engaging your core muscles.
How To: Lie facedown on a stability ball with your hands behind your head and your feet on the floor. Lift your torso up from your waist so your body forms a straight line. Squeeze your glutes as you rise up. Hold. Then repeat.
Bridge
This exercise works your back and ab muscles, stretching and lengthening them. It also helps build core strength.
How To: Lie on your back with your knees bent and your arms by your side (palm facing down). Pressing your upper arms and feet into the floor, lift your hips to the ceiling. Hold.
Reverse Crunch
This exercise targets your lower abs, strengthening your core while also stabilizing your spine.
How To: Lie down with your arms by your sides. Raise your legs so your knees are bent at a 90 degree angle. Engaging your abs, bring your knees towards your chest and lift your hips off the floor.