This bloke for coach then:Yes, I have a doctorate on the subject. Potassium, a key nutrient in oranges, plays a significant role in muscle function and preventing cramps. During exercise, potassium levels can drop, leading to muscle cramps and discomfort. By eating oranges at halftime, our players replenish their potassium levels, keeping those pesky cramps at bay. It also helps restore energy without the sugar crash from processed fruit drinks etc..