Describe the use of creatine as a ergogenic aid in sport.

Explain water distribution in trained and untrained individuals.

increases muscle creatine content, facilitates rapid PCr resynthesis in the rest periods during repeated high intensity exercise✔

creatine ingestion may also augment the effects of training by stimulating muscle anabolism✔

recommended dosage 15–20 g per day for 4–7 days followed by a maintenance dosage of 2 g per day✔

benefits exercise that relies on the PCr energy system such as strength, power and sprinting sports✔

fat present in fat storage cells adiposites contains no water as such overweight people have a large proportion of body mass made up of tissue containing little water✔

trained person has more muscle and less fat and therefore athletes bodies have greater percentage of body water✔

fat free tissue comprised 60–80 % water✔

trained person has improved temperature regulation ‹sweats more easily›✔

45 % water in body is extracellular ‹plasma, lymph, saliva› trained individual✔

55 % water in body is intracellular in trained individual✔

trained individuals have increased metabolism requiring greater water ‹storage› requirements✔

Many did not score any marks here, missing the water content of muscle and instead focusing on hydration/sweat.