Hold one medicine ball that weighs 1 to 3 pounds.
Stand back-to-back with your fitness friend and bend your
knees slightly to protect your back.
Turn slightly to your right and exhale as you pass the ball
to your friend (she'll turn slightly to her left).
Then inhale and turn to your left and your friend will pass
you the ball (this time she turns to her right).
Pass the ball 10 times, then change direction and repeat.
And keep breathing!
tall and keep your torso as steady as you can.
this feels easy, stand 1 to 1.5 feet apart instead of
back to back, and make a figure-8 with your arms as you pass
you get stronger, get a slightly heavier ball or do more repetitions.