The component of fitness measured by the ability to perform tasks involving different muscle groups is known as muscular endurance. This aspect of fitness is crucial for sustaining prolonged physical activity without fatigue. Muscular endurance can be developed through repetitive strength training or aerobic exercises that require continuous muscle contractions. For athletes, having high levels of muscular endurance is essential for optimally performing tasks that require sustained effort, such as running, rowing, or cycling. Enhancing this component improves overall physical performance and daily functional activities.