Tremendous show today with Gordon Morrison, one of the world’s leading researchers into the mysterious affliction called ‘The Yips’ Darts players call it dartitis, golfers call it the twitch. It has been known to occur in cricket, baseball, tennis. Numerous sports and numerous sufferers. What may have seen the simplest of actions moving a putter back and forwards a few inches or releasing a dart from you hand suddenly becomes a horrible twitching convulsion of your brain – body system.