NUTR 406- Final Exam Guide - Comprehensive Notes for the exam ( 78 pages long!)
28 Mar 2018
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Document Summary
In order to keep going in cellular activity, we need to be able to rephosphorylate adp --> atp. Advantages and disadvantages of the different energy systems: as the creatine phosphate system (duration about 10 sec) starts slowing down --> anaerobic glycolysis, anaerobic glycolysis (2-3 minutes) Creatine shuttle: once creatine phosphate is depleted, we have systems that will regenerate creatine phosphate, atp + creatine. In the mitochondria, oxidative events occur: oxidative phosphorylation. Slower process than anaerobic processes (creatine phosphate or anaerobic glycolysis: explains why recovery time takes a bit longer. Creatine loading and supplementation: usual dose = about 3-5g per day, loading dose of 20-25g/day in 4-5 doses for 5-7 days. Loading not necessary unless time is urgent: no immediate increase in strength, speed, or power, some people are non-responders to supplementation if crp concentrations are already near maximum, effective for strength and power athletes. Indirect effect by allowing increased training that improves strength, speed, or power.
