Quantifiable Full Range of Motion

[youtube=http://www.youtube.com/watch?v=u8_dxcTi7ls&list=UUy2MK7vFw09I1rwRlsJN32g&index=1&feature=plcp]Erin is rocking the Sit-ups in an 8 minute AMRAP WOD of 10 Sit-ups and 10 Push Press. Note the hands touching the floor at the beginning of the movement and the dumbbells at the end of the movement; quantifiable full range of motion.