Electrodes attached through a computer to Army Staff Sgt. Randi Gavell help generate a biometric efficient bicycle riding position customized to her needs during Army Trials practice for the 2015 Department of Defense Warrior Games at Fort Bliss in El Paso, Texas, March 28, 2015. The computer-assisted method is a first for DOD Warrior Games cyclists. (DoD News photo by EJ Hersom)