Threshold Treadmill Test News Today

Opponents. next, they face china on monday. tonight on msnbc, were going to bring you a behind the scenes look at the team in an eye-opening documentary, blood, sweat and cookies. >> reporter: no variable is too small to measure. linemen, core strength, flexibility. i did pretty well at that one. >> 43. 17. >> getting that? >> reporter: even everyones least favorite, body fat. >> 13. excellent. >> reporter: but the mother of them all, the threshold treadmill test. the lack tad threshold is the p...