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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: Canine ACL rupture: a spontaneous large animal model of human ACL rupture

Fig. 2

Radiographic features of anterior cruciate ligament (ACL) rupture in the dog and human. A,B Lateral and anterior-posterior (AP) views of the right knee of a dog with anterior crucitate ligament (ACL) rupture and palpable laxity. The presence of knee joint effusion (#), osteophytes (*) and some degree of intercondylar notch narrowing (arrow) are typical at diagnosis. C,D Lateral and AP radiographs of the right knee of a human demonstrating joint effusion (#). Secondary OA typically develops after ACL rupture in humans

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