Potassium plays a crucial role in muscle contraction by facilitating the transmission of nerve impulses that trigger muscle Fibers to contract. This mineral helps maintain the electrolyte balance in cells, crucial for generating the electrical signals necessary for muscle function. Low levels of potassium can lead to muscle cramps and weakness, showcasing its importance in maintaining physical performance. Adequate potassium intake, alongside other electrolytes, is vital for athletes and active individuals to ensure optimal muscle function and to prevent fatigue during and after exercise.