David Brailsford (Performance Director of the GB cycling team) implemented a very similar strategy. The general gist is that anyone who already excels at someth

David Brailsford (Performance Director of the GB cycling team) implemented a very similar strategy. The general gist is that anyone who already excels at something is unlikely to manage to improve on that thing by any measurable amount by just focusing on being better at it. If instead you break down everything that intersects with it and improve those by 1% then you get an 'aggregation of marginal gains'. This can be things directly related, or something really as simple as, I believe I remember hearing, making sure that the athletes own pillows are packed for them when staying at hotels for events rather than relying on people getting used to the bedding provided.