The 64 participants ( mean age , 33.5 years ) showed significantly impaired BRT with the typical postoperative brace set at an ROM of 0 to 30 ( 673 milliseconds , P < .001 ) , ROM of 0 to 60 ( 629 milliseconds , P < .001 ) , ROM of 0 to 90 ( 607 milliseconds , P = .001 ) , and ROM of 20 to 90 ( 602 milliseconds , P = .005 ) compared with the control group .