Laxity
- Joint varus-valgus laxity was measured as the total movement in the frontal plane during varus-valgus load in a noneweight-bearing position.
- The measurement of laxity has been described in a previous study and showed an intra- and interrater reliability (intraclass correlation coefficient) of .80 and .88, respectively.
- The mean of the index knee was used in the analyses.