Your arms are emissaries of your back.
Tip 38 starts a series on the arm/back relationship. Your arms do your back’s bidding. Avoid reaching with your back when when you can send your arms to do the job instead. Your arms derive much of their strength from your back, and distortion of the back makes your arms weaker. There was a tip related to this about riding the subway.
Arms and the Man
Arms and Standing on the Subway
Be Like Roger Federer (That arm is sent from the fingertips, up to the shoulder!)
Avoid Pulling on the Steering Wheel
Your Torso Stays Behind Your Head
Reach with Your Arms, Not Your Back
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