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.

The classic sit-up is a workout staple. Whether you learned how to do the movement in gym class or from watching a Rocky training montage, you've probably performed more than a few sets over the years ...

Seated exercises can train the deep abdominal and spinal muscles without floor sit‑ups. With your pelvis supported by the ...