Potassium plays a crucial role in preventing muscle cramps by maintaining proper muscle function and electrolyte balance. It helps regulate muscle contractions and nerve transmissions, making it essential for overall muscle health. An adequate intake of potassium, through foods such as bananas, sweet potatoes, and spinach, can help reduce the risk of cramps during exercise. Furthermore, balanced potassium levels, along with other key electrolytes like sodium and calcium, support hydration and optimal performance during physical activity.