1 00:00:00,240 --> 00:00:03,148 - Hi, I'm Captain Soto. - I'm Staff Sergeant Pazmino, 2 00:00:03,148 --> 00:00:05,247 and we're with the Human Performance Branch. 3 00:00:05,247 --> 00:00:07,088 Our section, in collaboration with 4 00:00:07,088 --> 00:00:09,901 the Army Research Institute of Environmental Medicine, 5 00:00:09,901 --> 00:00:12,158 is conducting a body composition study 6 00:00:12,158 --> 00:00:14,793 to ensure the Marine Corps policies and standards 7 00:00:14,793 --> 00:00:17,046 strike the right balance between health, 8 00:00:17,046 --> 00:00:19,677 performance, fitness, and military appearance. 9 00:00:20,265 --> 00:00:23,762 - This study is one of the most technologically advanced studies 10 00:00:23,762 --> 00:00:26,714 on the topic since the 1980s. 11 00:00:26,714 --> 00:00:29,148 The information gathered through this study 12 00:00:29,148 --> 00:00:31,834 will help inform the future of BCP standards 13 00:00:31,834 --> 00:00:33,231 in the Marine Corps. 14 00:00:33,231 --> 00:00:35,019 Currently, the study is underway 15 00:00:35,019 --> 00:00:37,150 at MCB Quantico, Camp Barrett, 16 00:00:37,150 --> 00:00:39,846 and will last until early 2022. 17 00:00:40,400 --> 00:00:43,539 Study volunteers will undergo three body composition assessments 18 00:00:43,539 --> 00:00:46,212 via different methods such as 19 00:00:46,212 --> 00:00:49,072 the dual energy x-ray absorptiometry, 20 00:00:49,667 --> 00:00:51,123 3D body scan, 21 00:00:51,123 --> 00:00:54,352 bioelectrical impedance, and one performance assessment 22 00:00:54,352 --> 00:00:56,333 conducted on a force plate. 23 00:00:56,333 --> 00:00:58,235 - DEXA is the industry gold standard 24 00:00:58,235 --> 00:01:00,833 that uses a three-compartment model approach 25 00:01:00,833 --> 00:01:02,484 to quantify regional fat mass, 26 00:01:02,484 --> 00:01:04,927 lean mass, and bone mineral density. 27 00:01:04,927 --> 00:01:07,883 Scans take approximately four to seven minutes 28 00:01:07,883 --> 00:01:10,646 and the Marines will receive feedback from the scan. 29 00:01:10,646 --> 00:01:12,604 The 3D body scanner uses a 30 00:01:12,604 --> 00:01:14,130 two-compartment model approach 31 00:01:14,130 --> 00:01:16,533 to assess fat and lean mass. 32 00:01:16,533 --> 00:01:19,006 Scans collect two million data points in eight seconds 33 00:01:19,380 --> 00:01:22,010 to process over 240 circumference-based 34 00:01:22,010 --> 00:01:24,434 body measurements in less than two minutes. 35 00:01:24,434 --> 00:01:26,267 Marines can then view a unique 36 00:01:26,267 --> 00:01:28,370 digital 3D surface model of themselves 37 00:01:28,370 --> 00:01:30,320 and estimated body fat percentage. 38 00:01:30,320 --> 00:01:32,565 The bioelectrical impedance method 39 00:01:32,565 --> 00:01:34,662 uses an imperceptible electrical current 40 00:01:34,662 --> 00:01:36,395 that reacts differently in the 41 00:01:36,395 --> 00:01:38,220 various compartments of the body. 42 00:01:38,220 --> 00:01:41,362 Lean tissues are good conductors of electricity, 43 00:01:41,362 --> 00:01:43,534 whereas fat and bone are not. 44 00:01:43,534 --> 00:01:45,329 BIA uses these differences 45 00:01:45,329 --> 00:01:47,438 to estimate lean mass and fat mass. 46 00:01:47,438 --> 00:01:49,153 - The countermovement jump is a 47 00:01:49,153 --> 00:01:51,598 performance-based metric used in athletics. 48 00:01:51,598 --> 00:01:53,556 The force plate is designed to 49 00:01:53,556 --> 00:01:55,824 measure the forces and movement applied 50 00:01:55,824 --> 00:01:57,491 when a Marine jumps on it. 51 00:01:57,798 --> 00:02:00,012 For more information, please contact us 52 00:02:00,012 --> 00:02:01,715 at the email provided. 53 00:02:02,227 --> 00:02:04,432 (light music)