Pushups don't lie. After 50, you can tell a lot about someone's strength, joint health, and overall fitness by how many they can perform. And unlike machine exercises that guide your movements, ...

Pushups are a simple yet incredibly reliable test of upper-body muscular endurance and strength, says Joshua Dillaha, MS, NSCA-CPT, TSAC-F, founder and movement specialist at Semper Fitness Training, ...