CRF was evaluated from a maximal workload on a graded bicycle test (W/kg) and also expressed relative to FFM (CRFFFM, W/kgFFM).
Þrekmæling var framvæmd með stigvaxandi, hámarks álagsprófi á hjóli (W/kg) og einnig sett fram sem hlutfall af FFM (þrekFFM, W/kgFFM).