A safe, challenging, and effective method of core conditioning, planking is one of the best ways to get fit and toned. Variations of planks are used across many

A safe, challenging, and effective method of core conditioning, planking is one of the best ways to get fit and toned. Variations of planks are used across many

Forget crunches! Build your strongest core ever with 100 Planks! It includes 100 of my all-time favorite plank variations with lots of tips for beginners, corre

Transform your core muscles with unstable workouts using the exercise ball with this revolutionary fitness book from author Jeanine Detz. From shapely abs to th

Train Like a Superhero "I recommend this book to all personal trainers, training geeks, and people who just want to learn about different training methods and p