Videos

Lower Body Flexibility & Mobility Target Area – Upper Back Preparation: The Marine will start in the kneeling position with the right foot flat, left knee on the deck, and, both knees at a 90 degree bend, they will be facing the anchor point. The Marine will grasp the TRX handles with an overhanded grip. Execution: The Marine will extend the arms over head into a “Y” position maintaining tension in the TRX. They will press through the front heel and come up into a split squat stance. From the top position they will drop back down while keeping hands over head and tension in the TRX and tap the knee on the deck. Common Mistakes: - Slack in the TRX - Not keeping arms locked out - Not keeping forward knee over ankle

Lower Body Flexibility & Mobility Target Area – Adductors, Lower Back Preparation: The Marine will be seated on the deck with the soles of their feet pressed together and the knees dropped to the sides as far as they will comfortably go. Execution: The Marine will activate their abdominals and lean forward at the hips. They will grasp their feet and carefully pull themselves a small way farther forward. Common Mistakes: - Rounding of the back

A Marine demonstrates the Barbell Back Squat as part of the Force Fitness Instructor (FFI) Course aboard Marine Corps Base Quantico, Va. March 8, 2017. The video will aide FFIs in teaching proper technique to Marines at their units. (U.S. Marine Corps video by Cpl. Amber Jennings/released)