Army Sgt. Michael Cavallo, a research assistant at the U.S. Army Research Institute of Environmental Medicine, Natick, Mass., is fitted May 6, 2009, with sensors that will be detected by infrared cameras as he walks on a patented, force-sensing treadmill invented by those at the lab. The sensors capture his movements and translate it to data and the treadmill measures the force placed on his body while shouldering a load. Army Sgt. Michael Cavallo, a research assistant at the U.S. Army Research Institute of Environmental Medicine, Natick, Mass., is fitted May 6, 2009, with sensors that will be detected by infrared cameras as he walks on a patented, force-sensing treadmill invented by those at the lab. The sensors capture his movements and translate it to data and the treadmill measures the force placed on his body while shouldering a load. SHARE: Download: Full Size (5.33 MB) Tags: Photo Essays Credit: VIRIN: 851114-B-MEC26-709.jpg Photo Gallery