The structure of the diet is almost the same – we’re still in the small, frequent meals. Amira Kassis More Quotes by Amira Kassis More Quotes From Amira Kassis The carbohydrates are given more at high altitude because they are an efficient and quick source of energy, we use the lower altitude as a recovery phase – this is where we give protein to ensure that the muscles recover. Amira Kassis science There’s energy needs, depending on the age, height and weight of each pilot – we measured their energy expenditure in the lab here, there’s also protein requirements based on the physiology of each pilot. Amira Kassis science