Don't forget about this crucial core muscle.

Forget the "six-pack" hype and discover the single most effective exercise to stabilize your spine, eliminate back pain, and strengthen your body from the inside out.

Build a strong core with a Pilates instructor's 3-move routine.

Spring is here, Summer is coming, and Jeff Cavaliere has a simple daily exercise to keep your stomach flat. On March 22, 2026 ...

Credit: I’ve been practicing Pilates for the past decade, and toe taps are often my go-to when it comes to working my deep ...

Achieving a flat stomach involves more than just endless crunches—it requires a comprehensive approach that addresses both muscle development and fat reduction. The abdominal region consists of ...

You’re probably familiar with the abs muscles—the ones you see poppin' on celebs like J.Lo or Halle Berry, but there’s way more to core strength than those visible six-pack muscles. Behind the scenes, ...

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 ...

Having a six-pack isn't always synonymous with having a strong core. Strengthening your rectus abdominis (the superficial outer ab muscles lovingly known as the six-pack) is important, but it's far ...

Engaging your transverse abdominis strengthens the core, flattens the belly, and enhances stability, reducing back pain and injury risk. Simple, at-home exercises like bird dogs and planks can help ...