Procedures
The study was carried out with a test-retest design and had a mean duration of 10 minutes for each examiner. Both testers performed the two tests (BROM II and FR) on the same day with the volunteers, with no interval between the measurements performed by the two testers (one examiner started his or her tests right after the data collection carried out by the preceding examiner).
The testers were blinded for the measurements obtained by the preceding examiner; the sequence of the testers and the tests was randomized so that their order would not influence the results; additionally, the anatomical references were erased after each measurement,
so that they would not interfere with the measurements obtained by the following examiner. At the analysis by the BROM IIII, the mean was calculated after three repetitions. As for the measurement
carried out by the FR, due to practical factors and availability of the volunteers, only one measurement was obtained (value of the neutral position added to the value of the flexion position).