Bored of sit-ups? Planks too easy? Take your core training to a new level with hollow body crunches. We reveal how to do this abs exercise.
Hollow Body Crunch Guide: Muscles Worked, How-To, Benefits, and
How To Do Weighted Planks: Muscles Worked, Benefits, and
Think You Can Complete This 30-Day Plank Challenge? – Fitness Volt
Hollow Body Crunch Guide: Muscles Worked, How-To, Benefits, and
Bodyweight Exercises – Fitness Volt
How To Do Cable Crunches The Right Way – Fitness Volt
Pallof Press vs. Plank – Which one should you do? – Fitness Volt
Hollow Body Crunch Guide: Muscles Worked, How-To, Benefits, and
Bodyweight Exercises – Fitness Volt
How To Do Cable Crunches The Right Way – Fitness Volt