From: Joint effusion, anteroposterior stability, muscle strength and degree of patellofemoral osteoarthritis significantly impact outcome following revision ACL reconstruction
Side to side difference of thigh circumference
10 cm above the media space
20 cm above the medial space
Side to side difference 10-20 mm
68.2%
54.5%
Side to side difference > 20 mm
3%
25.8%