An easy, joint-friendly exercise that fires up your obliques, hips, and lower abs—while improving balance and coordination.

Exercises to shrink stomach roll after 45, with expert guidance, daily reps, and form cues that work better than ab machines.

Apron belly exercises after 55 that improve core tension and posture, with form cues from Tyler Read, BSc, CPT.

Learn how to effectively strengthen your pelvic floor with targeted core exercises. Physical therapists share moves to improve bladder function, sexual health, and reduce back pain.

What is the most effective abdominal exercise? While I have never heard one specific exercise for abs described as the "most effective," there are a few that make up the cornerstones of a good ...

Abdominal bracing is an exercise motion that you’ve likely encountered and performed, whether you realize it or not. It’s the movement that’s implied when your coach, fitness instructor, or physical ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Side planks trains your ...

These deep core exercises will target the most important, but often neglected, part of your midsection to reduce back pain and improve posture. Instead, learn which muscles make up the deep core and ...

What Is the Body’s Core? Your body’s core is the term used for the group of muscles within your midsection that stabilize your spine and pelvis. Several muscles and groups of muscles make up the core ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Do you want a strong ...

Core exercises can improve strength, posture, and overall health. Although it can be harder for females to attain visible ab muscles, performing core exercises regularly is very beneficial. Sex and ...