Pronation and supination
Turning the palm up and down is a forearm job that almost nobody trains, and it is loaded in every tool, racket and lifting task.
MoPro
Trainer's Eye
Pronation and supination trained deliberately — the forearm job that every tool and racket demands.
Turning the palm up and down is a forearm job that almost nobody trains, and it is loaded in every tool, racket and lifting task.
Changing the thickness of a racket, tool or bar handle changes how hard the forearm must work. One change, two weeks, then judge.
Pinch and fingertip strength fail early after elbow pain and are rarely retrained. They are part of grip.
Three couplets · two rounds · twelve minutes · an arm that works
Hold a hammer or bottle by the end; from palm-up, turn it down and back, elbow pinned.
Easier hold it nearer the head · Harder hold it further out
Turn it up with the other hand, then let it lower to palm-down over three seconds.
Easier hold it nearer the head · Harder slower
Same grip; from palm-down, turn it up and back, elbow staying against the ribs.
Easier hold it nearer the head · Harder hold it further out
Turn down with the other hand, then lower to palm-up over three slow seconds.
Easier hold it nearer the head · Harder slower
Band round all five digits; open the hand fully and close slowly — count clean opens.
Easier no band · Harder thicker band
Pinch a book between thumb and fingers and hold it out in front, arm relaxed.
Easier thinner book · Harder heavier book
Each couplet: 60 s scored → the loading set → 10 s to move on. Done at 12:00.