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Table 1 Arthoscopic diagnoses of the causes of knee locking

From: The diagnostic value of the stump impingement reflex sign for determining anterior cruciate ligament stump impingement as a cause of knee locking

Intra-articular pathology Number Percentage/%
ACL complete rupture 9 30
ACL partial rupture 2 6.7
Meniscal tear Lateral 7 23
Meniscal tear Medial 3 10
ACL & Medial Meniscus 1 3.4
ACL & Lateral Meniscus 1 3.4
No structural pathology/Haemarthrosis/Pseudolocking 7 23
Total 30