This exercise only targets the abdominal muscles, so it’s not a functional core workout. Crunches can be hard on your back and neck, and may not be safe for everyone. Share on Pinterest The crunch is ...

Strengthening your core can improve your overall fitness abilities (like make you a more powerful runner or skier), can prevent injury or back pain, and improves your posture. Whether you throw in an ...

An email prompted me to write about one of my favorite and most frequently done exercises in my workouts -- the crunch. The question asked was concerning when I like to do abs in my workouts -- in the ...