8 May 2009FAT PHYSIOLOGY: IMPLICATIONS
1. Hyperplasia of fat cells is more likely during early adolescence and may be a danger time for future obesity.
2. Fats in the diet are converted into body fat (lipogenesis) whereas body fat from other sources of energy such as glucose (de novo lipogenesis) is negligible.
3. Fat, from both fat cells and intra-muscular sources, is utilised more readily by trained athletes than the untrained, hence physical activity at all levels is likely to be more lipolytic in the trained.
5. Eating immediately after exercise might decrease post-exercise fat oxidation. Therefore recommendations for athletes to replace glycogen stores after strenuous exercise need to be separated from advice to overfat people doing physical activity to lose fat where immediate replenishment may not be optimal.
6. Stressors in the form of physical activity, cold and caffeine may increase catecholamine production and aid in the breakdown of stored body fat.
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