Novel, user‐friendly landmarks for localizing Baxter's nerve: A cadaveric study

Introduction Identification of Baxter's nerve (BN) has proven challenging for less experienced practitioners using ultrasonography due to a lack of adequate landmarks. This study aimed to establish novel, user‐friendly anatomical landmarks and to describe useful structures to localize BN. Mater...

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Veröffentlicht in:Clinical anatomy (New York, N.Y.) N.Y.), 2021-10, Vol.34 (7), p.1022-1027
Hauptverfasser: Kim, Inah, Nam, Kyung Eun, Kang, Minsuk, Ahn, Min Young, Lee, Jong In, Nam, Yong Seok
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Sprache:eng
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Zusammenfassung:Introduction Identification of Baxter's nerve (BN) has proven challenging for less experienced practitioners using ultrasonography due to a lack of adequate landmarks. This study aimed to establish novel, user‐friendly anatomical landmarks and to describe useful structures to localize BN. Materials and Methods We examined 10 fresh cadaveric feet and identified the interobserver agreement of measuring three surface landmarks: the most medially protruded point on the medial malleolus (P), the navicular tuberosity (Q), and the center of the calcaneus (B). Next, 24 fresh cadaveric feet were used to identify the point of BN entry into the quadratus plantae (QP) muscle, which corresponds to the proximal BN impingement site. The rectangular coordinate system consisted of the origin (point P), X‐axis, extension line P–Q, and Y‐axis (the perpendicular line to the X‐axis). To consider various foot sizes, the X and Y values were divided by the P–Q length and were designated as the ratios X and Y. Results Points P and Q showed smaller interobserver differences than that of point B. Ratios X and Y were 61.25 and 99.80%, respectively, for the QP. BN arose from the lateral plantar nerve in 20 of 24 specimens. The adjacent vessel was
ISSN:0897-3806
1098-2353
DOI:10.1002/ca.23707