Using a team game as an example, explain why two positions may have different optimal weights. (4)

Explain why an athlete might take three different types of nutritional supplements. (6)

Explain how an athlete’s diet can aid the recovery process. (3)

Explain the changes an athlete should consider making to their diet during preparation for a marathon run. (5)

Define the terms isotonic, hypertonic and hypotonic in the context of sports drinks. (3) Isotonic is when the glucose osmolality of the drink is the same as blood (1). Hypertonic is when the glucose osmolality of the drink is greater than the blood (1). Hypotonic is when the glucose osmolality of the drink is lower than the blood (1).

Assess the merits of hypotonic drinks for a marathon runner. (8)

Outline how four different supplements are used to aid an athlete in recovery. (4)