Abdominal muscles

Abdominal Exercise Cable Crunches for a Six-Pack Workout

Are cable crunches more effective than free abdominal exercises? Do they strain the intervertebral discs? And how do you do them correctly?

Training Your Abs: Planks Are an Alternative to Sit-Ups

Strong Core Forget Sit-ups! 3 Exercises That Effectively Train Your Abs

Sit-ups are the classic exercise for core strengthening. However, there are better exercises to train the abdominal muscles. Here are three alternatives.

Their core will still burn 4 Standing Ab Exercises – No Equipment Needed

Standing abdominal exercises enhance muscle control and body awareness. They're perfect for those who prefer to skip the mat.

Most Effective Ways to Train Abs: Crunches or Sit-ups

Coach Explains Sit-ups vs. Crunches: What’s the Real Difference?

Sit-ups vs. Crunches: A Trainer Explains Differences in Technique, Efficiency, and Risk, and Which Exercise Is Suitable for Whom.

Fitness Sit-Ups to Combat Belly Fat? Expert Explains If It Works

To lose belly fat, is it enough to just do plenty of sit-ups? FITBOOK asked an expert.

FITBOOK Interview Fitness Icon Mark Lauren: "I Want Training to Be as Addictive as Possible"

Training With Your Own Body Weight: Mark Lauren's Principles for Real Progress in Just Minutes a Day

Expert Reveals How Many Sit-ups Women and Men Should Be Able to Do

Sit-ups are popular abdominal exercises—but how many should women and men be able to do if they're in good shape?

How to Effectively Train the Rectus Abdominis With Leg Raises

Extreme and intense–that's how head coach Erik Jäger describes the impact of leg raises on the rectus abdominis. Watch the ultimate how-to video!