Question

what does it mean to have good muscular endurance?
a. to be able to lift heavy weights once
b. to maintain high-intensity effort for short bursts
c. to perform repeated muscle contractions without fatigue
d. to run a marathon in under 2 hours

Explanation:

Muscular endurance refers to the ability of muscles to repeatedly contract over time without getting fatigued. Option a describes muscular strength (lifting heavy once), option b is more about power or anaerobic capacity, and option d is a very high - level aerobic endurance feat not directly related to muscular endurance. Option c matches the definition of muscular endurance.

Answer:

c. To perform repeated muscle contractions without fatigue