Last year the Celtics' core "Big Four" played more than two-thirds of the time. The person who got the least amount of time happened to be KG, averaging only 31.3 minutes per game over 71 regular season games and 36.4 minutes per game over nine games in the playoffs.
KG still had enough left in him during the playoffs to ensure that the Celtics were not completely exposed in the front court in the playoffs but it wasn't enough.
With complete uncertainty about what the Celtics may look like from a depth perspective, KG must adjust his body as he may end up playing more time against the Dwight Howards and Andrew Bynums of the world than he did last year.
Here are the adjustments that KG must make to remain effective next year.