Instructions: Choose three to four exercises below. Set a timer for 45 seconds. Perform as many reps as possible in that time ...

When we think of core exercises, standard moves like situps and crunches are often a go-to. But working the side body is an important piece of a well-rounded core routine that is sometimes overlooked.

(CNN) — If you want a resilient core, strengthening your six-pack is just the start. Your obliques — the muscles that run along the sides of your waist — may not get the same attention as your ...

Discover the ideal plank hold times after 50, plus the 30 and 60 second benchmarks that show your core is stronger than most.

If you're only working those front ‘six-pack’ ab muscles — aka your rectus abdominis — you’re missing out on strengthening your entire core. We’re all guilty of training the front of the body, but ...

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. Your obliques are the core ...

Editor’s note: Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist and mind-body coach in professional sports, and is the author of the book “Practical ...