表 2.

Varus and valgus instability of the knee assessed using stress X-ray films

采用应力位X线片评估膝关节内翻与外翻不稳

内翻应力试验 Varus stress test			外翻应力试验 Valgus stress test
患-健侧关节间隙差值 Side-to-side difference of joint space	损伤结构 Injured structures		患-健侧关节间隙差值 Side-to-side difference of joint space	损伤结构 Injured structures
<2.7 mm	腓侧副韧带正常或部分撕裂		<3.2 mm	MCL正常活动部分撕裂
2.7 mm	孤立性腓侧副韧带损伤		3.2 mm	内侧副韧带浅层完全撕裂
≥4 mm	PLC完全损伤		≥9.8 mm	内侧所有结构完全撕裂