Skip long planks. These 5 no-equipment core exercises build stability, strength, and definition with smart, full-torso ...

Pressing lower back into floor and engaging abs, slowly extend and lower right leg and left arm (overhead) until they nearly touch floor. Slowly move arms forward, until body forms a straight line.

FITBOOK editor Julia Freiberger thought she was athletic. Ten years of dance experience here, five years of sports experience ...

Wake up your muscles with this 7-minute morning bodyweight routine that boosts strength, mobility, and energy for adults over ...

Learn how to do the one simple, equipment-free exercise that fitness experts recommend for building a strong, stable core ...

Bodybuilding legend and former four-time Mr. Olympia Jay Cutler broke down his latest back and abs workout at 52 years old.

This piece of fitness equipment may give your abs a killer workout, but only if your core is already in great shape. If not, ...

In TODAY.com's Expert Tip of the Day, a trainer reveals what it really means to work your deep core and why it's important ...

Lie on back with arms extended toward the ceiling in-line with shoulders and legs bent to 90 degrees (knees above hips). Pressing lower back into floor and engaging abs, slowly extend and lower right ...

The holidays are just around the corner — it's the perfect time to create the home gym of your dreams for you and your family ...

From breathing and core engagement to what to wear and which style to choose, these five expert-backed tips will help you ...