Which of the following are good ways to test muscular endurance?

Which of the following are good ways to test muscular endurance?

Lifting a heavy weight one time

A maximal effort 40 yard sprint

Performing repeated squats until you need a break

A 1-minute sit-up test

Performing repeated squats until you need a break and a 1-minute sit-up test are both good ways to test muscular endurance.