Step one heel backward against wall, toes on the floor ... Progression: Circle the arm up, then back, then forward for a larger range of motion. Jennifer Acker reports on a wide range of health ...

I’m talking, of course, about the wall. Over the last few months ... you’ve pulled out a racquet and taken up arms against one of your own walls; or, if you’re lucky, against the backboard ...

The back of your arms should be pressed against the wall. Moving only at the elbows, curl the weight up as high as you can.