Book review: Expert by Roger Kneebone

Book review: Expert by Roger Kneebone

You can spot a qualified sport psychologist by the look of despair which sweeps across their face when an athlete mentions the 10,000 hour rule as a reason for overtraining. “It is not a rule” we will shout. It is 4,000-16,000 hours (10,000 plus or minus 6,000) and it...