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. Author manuscript; available in PMC: 2022 Aug 1.
Published in final edited form as: Am J Sports Med. 2021 Jul 8;49(10):2615–2623. doi: 10.1177/03635465211024249

Figure 1.

Figure 1.

Example measurements of the four anatomical factors examined herein. (a) femoral intercondylar notch width at the anterior outlet of the ACL (NW_O): measured at the notch outlet anteriorly, parallel to the reference line, between the most distal and medial point of the lateral femoral condyle (white circle) and the edge of the medial femoral condyle; (b) lateral tibial compartment middle cartilage slope (LatTibMCS): 90° minus the angle between a line connecting the superior-anterior and superior-posterior prominences of the middle articular cartilage surface region of the lateral tibial plateau (white circles) and the longitudinal axis of the tibia; (c) lateral tibial compartment meniscus-bone angle (LatTibMBA): angle between a line connecting the anterior and posterior most peaks of the subchondral bone of the lateral tibial plateau and a line connecting the anterior and superior-posterior most points of the posterior meniscus wedge (white circles); (d) ACL volume: ACL perimeter was traced in all slices in which the ACL was present.