Fitgurú on MSN

Forget sit-ups: This seated core workout fired up my abs and thighs like never before

You don’t need to get on the floor to challenge your core. A personal trainer’s seated workout is proving that effective ab ...

No, not planks or sit-ups — here's the one abs exercise you need for elite core strength and stability without weights

Hollow knee tucks are a bodyweight exercise that strengthens your core and hips without hurting your spine. Here's how to do them.
Women's Health

Sit-ups vs crunches: The core exercise that actually builds stronger abs

If you’re a little hazy on the difference between sit-ups vs. crunches, you’re not alone. They both strengthen your core, but the details on how they differ and the benefits of each can be confusing. ...
Lose It! on MSN

Why your ribs hurt after doing sit-ups and what’s normal

Is it muscle soreness or something much more serious? Experts explain how to determine the cause and when to seek medical ...