Start by lying on your back, with your lower back pressed into the mat. Place your hands behind your head. Engage your core ...

Personal trainer Jeremy Ethier has a six pack, and in a video on his YouTube channel he says that there are two exercises he ...

You don't need sit-ups or crunches to strengthen your core. Inchworm walkouts and walk-ins can be done using your body weight ...

Build a stronger core! Learn the benefits of doing sit-ups every morning, proper form, variations, and tips for a consistent ...

A trainer outlines how to perform his ultimate three-day workout for weight loss that seamlessly fits into any schedule.

A small study conducted by the University of Essex found that just 16 minutes of bodyweight exercises like squats and lunges, ...

Progress gradually: Start with simpler exercises and gradually increase the difficulty as your core strength improves.

A trainer outlines his best 15-minute ab workout, every minute on the minute style, for a flat, lean midsection.

Sit on the floor holding a dumbbell with ... implementing the dumbbell situp to overhead press into your core routine as a timed exercise. Start with a light weight dumbbell, with 30 seconds ...

Bodybuilding great Jay Cutler walked fans through his latest workout to build well rounded shoulders and abs, revealing tips ...