Final answer:
Yes, low potassium, or hypokalemia, can cause leg cramps due to its role in muscle contraction and nerve function.
Step-by-step explanation:
While the information provided speaks about hyperkalemia, which is an elevated level of potassium in the blood, the question is about low potassium, which is called hypokalemia and can indeed cause leg cramps. Hypokalemia can affect the function of muscles, leading to symptoms like cramps, weakness, and muscle pain because of the role potassium plays in muscle contraction and nerve function. Proper balance of potassium is essential for maintaining normal muscle function. In contrast, hyperkalemia is a serious condition which can affect skeletal muscles, the nervous system, and the heart, resulting in symptoms such as mental confusion, numbness, and weakened respiratory muscles, which differ significantly from the symptoms of hypokalemia. Maintaining a balance in potassium levels is crucial for muscle and nerve health.