Fig. 3

Maximum flexion angle in the three groups before virtual osteochondroplasty The mean maximum flexion angle in the DDH W/O cam group was significantly greater than that in the cam-FAI FAI group (P = 0.001)
Maximum flexion angle in the three groups before virtual osteochondroplasty The mean maximum flexion angle in the DDH W/O cam group was significantly greater than that in the cam-FAI FAI group (P = 0.001)