PLANK killer - Funny core muscle workout by Fitify
Core Training with NO EQUIPMENT Exercises to build stability, improve healthy posture and carve your six-pack. Download Fitify for FREE now! 12-week training plans and personalized workouts at home. Who needs a gym? Workout at home with Fitify. 12-week training plans and hundreds of free workouts tailored to your body. #workout #fitify #fitness #exercises #workoutapp #fitnessapp