28 KILLER Plank Variations for Beginners thru Advanced HASfit Plank Exercise Plank Exercises

Download the HASfit Interactive Trainer App Now Android iPhone Coach Kozak demonstrates 28 killer plank variations for beginners thru advanced trainees that you can add to your routine. HASfit s plank exercises are great for both men and women. The plank exercise is widely known for being one of the best core workouts one can do. Visit for the plank workout s instructions, more videos, free meal p