Master the bicycle crunch from start to finish, learn the mistakes most guys make, and add variations that target every part of your core.

Short on time? This 8-minute chair routine builds functional strength after 50 with 4 safe moves at home. No equipment needed.

Sit-ups can be a great way to strengthen your abdominal muscles that sit around your stomach. But they can quickly get repetitive and its easy to accidentally lose your form, so when boredom strikes, ...

Ditch endless crunches. Try 4 bodyweight moves that target lower abs, improve posture, and strengthen your core after 40.

Core exercises are easy to fall prey to boredom. After all, how long can you keep doing the same crunches and planks before you hit a plateau? These five core exercises to keep your mind engaged and h ...

Crunch CEO Jim Rowley said his routine includes weightlifting, Pilates, creatine, and 10,000 steps a day for long-term fitness and health.Courtesy of Crunch Fitness The CEO of Crunch said a routine of ...

Build a lean, strong core with five bodyweight routines for power, balance, and endurance. No equipment. In 10 to 15 minutes.

Exercises that keep the abdominals and low back strong are vital to maintain a healthy posture. While most abdominal exercises are performed lying on the floor, these are right for everyone such as ...