Bird Dog
This next exercise increases your core strength. Core stabilization can improve the symmetry of your posture, as well as your strength.
Step 1: Get on your hands and knees. Make sure your wrists are in line with your shoulders and your hips and knees are in line.
Step 2: Raise your right arm to shoulder level straight in front you.
Step 3: Raise your left leg straight behind you to hip level.
Step 4: Hold this position for the amount of time recommended by a trainer or physician. Make sure that you do not arch or round your back.
You can now repeat the exercise on the other side.