![Soldiers from the intelligence section of Sustainment Brigade, 1st Infantry Division, perform the bent leg tuck and twist, a form of a reverse crunch, during unit physical training designed by Cpt. Kristy Soldiers from the intelligence section of Sustainment Brigade, 1st Infantry Division, perform the bent leg tuck and twist, a form of a reverse crunch, during unit physical training designed by Cpt. Kristy](https://c8.alamy.com/comp/PWXJB8/soldiers-from-the-intelligence-section-of-sustainment-brigade-1st-infantry-division-perform-the-bent-leg-tuck-and-twist-a-form-of-a-reverse-crunch-during-unit-physical-training-designed-by-cpt-kristy-koontz-behavioral-health-officer-sustainment-brigade-1st-infantry-division-to-build-on-july-13th-at-whitside-gyms-track-and-field-on-ft-riley-kansas-participants-must-complete-an-exercise-listed-on-a-board-as-a-unit-before-they-are-able-to-reach-grab-the-item-that-awaits-them-in-a-bag-PWXJB8.jpg)
Soldiers from the intelligence section of Sustainment Brigade, 1st Infantry Division, perform the bent leg tuck and twist, a form of a reverse crunch, during unit physical training designed by Cpt. Kristy
![Soldiers from the intelligence section of Sustainment Brigade, 1st Infantry Division, perform the bent leg tuck Soldiers from the intelligence section of Sustainment Brigade, 1st Infantry Division, perform the bent leg tuck](https://l450v.alamy.com/450v/mt6y0t/soldiers-from-the-intelligence-section-of-sustainment-brigade-1st-infantry-division-perform-the-bent-leg-tuck-and-twist-a-form-of-a-reverse-crunch-during-unit-physical-training-designed-by-cpt-kristy-koontz-behavioral-health-officer-sustainment-brigade-1st-infantry-division-to-build-on-july-13th-at-whitside-gyms-track-and-field-on-ft-riley-kansas-participants-must-complete-an-exercise-listed-on-a-board-as-a-unit-before-they-are-able-to-reach-grab-the-item-that-awaits-them-in-a-bag-mt6y0t.jpg)
Soldiers from the intelligence section of Sustainment Brigade, 1st Infantry Division, perform the bent leg tuck
![4HF VIBES PRESENTS IN CADENCE: LEG TUCK AND TWIST: WILLIAMS, SGT JOSEPH: 9798748197052: Books - Amazon.ca 4HF VIBES PRESENTS IN CADENCE: LEG TUCK AND TWIST: WILLIAMS, SGT JOSEPH: 9798748197052: Books - Amazon.ca](https://m.media-amazon.com/images/I/71oeKrB9ukS.jpg)