Metabolic response phases

The metabolic response is characterized by four phases 1. The injury phase. This lasts 5 to 7 days. During the first 2 days, there are large hormonal changes with an increase in catecholamine and corticosteroid levels, and an initial decrease in the level of insulin. These hormonal changes are thought to be stimulated by the release of numerous cytokines such as interleukin. The result is muscle, fat, and glycogen store catabolism, liberating substrates such as glucose, lactose, proteins and...