Take your resistance band and place one end under your right foot. Grab the other end and extend it over your head. Tension should be medium. Now lean to your left while keeping your arm extended. Come back to the starting position. Do this five times before switching to your left side and doing five repetitons.
Take a 10-pound dumbbell and put it in your right hand and place it behind your neck. Put your left hand on the weight as well for support. Now extend the dumbbell over your head and hold it there for 2 seconds before returning to the starting position. Repeat this five times. Then move the weight to your left hand and do five more reps.
Use an exercise ball in combination with 5-lb. dumbbells to build core strength. Sit in a balance position on the exercise ball. Place a 5-lb. dumbbell in each hand and curl them up to the front of your shoulders while maintaining your balance. Do this 10 times. You should feel pressure along your rib cage as you improve your core strength.