Want to improve your pull-ups? Fitness expert shares 10 upper body exercises to build strength

Struggling to do pull-ups or looking to get stronger? A fitness expert shares 10 simple upper-body exercises to help you ...

If You Can Do This Many Sit-Ups After 55, Your Core Beats Most People Your Age

Find out how many sit-ups after 55 signal a strong, healthy core and use this 60-second test to track your strength over time.