1. Injury Biomechanics and Protection Group, United States Army Aeromedical Research Laboratory , Fort Novosel, AL 36362, USA
2. Department of Orthopaedic Research, Keller Army Community Hospital , West Point, NY 10996, USA
3. Oak Ridge Institute for Science and Education (ORISE) , Oak Ridge, TN 37831, USA
4. Department of Physical Education, United States Military Academy , West Point, NY 10996, USA