Interesting timing for this thread, as I was just noticing some forearm pain, but it's in my LEFT arm, not my right.
After a positively awful round last week, I went back to the full NSA pattern with twistaway. I realised that because I was playing so much, my renewed confidence actually had me back to timing the flip. My problem is that I am pretty good at timing the flip, so it's easy to revert.
Played the last two mornings with full twistaway and can't believe how much better I'm compressing the ball (I realise that may only be a feel, but as a feel it's very much real). But after the round this morning I noticed a bit of tenderness in my left forearm (not the elbow). I assume it's just from the 'torque' applied with twistaway, but should I be worried?