The Blood Supply of the Lumbrical Muscles

Abstract

The blood supply of the lumbrical muscles was studied in 100 upper extremities from fresh human cadavers. Layer by layer dissection revealed the existence of different types of vascularity for the four muscles. The injection of coloured latex or Indian ink solution with gelatin showed the complex arterial network of these muscles together with their various sources of blood supply. Four separate sources of blood supply for each of the muscles were found: the superficial palmar arch (SPA), the common palmar digital artery, the deep palmar arch (DPA) and the dorsal digital artery. It was established that there were no anastomoses between the blood vessels of the tendons of the flexor digitorum profundus muscle and those of the lumbrical muscles. Considerable differences were observed in the details of the blood supply of the individual lumbrical muscles.

Bases anatómicas vasculares de los colgajos perforantes cutáneos

“…Permiten así la visualización del territorio vascular de un vaso específico. Se puede añadir gelatina a la mezcla para dar rigidez a los vasos y facilitar la disección (2,3). Uno de los posibles problemas con la inyección de tinta es el sobrellenado vascular, que puede provocar salpicaduras del pigmento hacia territorios vasculares adyacentes.…”

“…Se excluyen del estudio aquellos cadáveres Bases anatómicas vasculares de los colgajos perforantes cutáneos C Ci ir ru ug gí ía a P Pl lá ás st ti ic ca a I Ib be er ro o--L La at ti in no oa am me er ri ic ca an na a --V Vo ol l. . 3 con: enfermedad vascular periférica severa, atrofia o deformidad extensa, evidencia de cáncer metastático diseminado o cirugía extensiva. La preparación del cadáver se lleva a cabo en la morgue: Se exponen la arteria y venas femorales y se realizan incisiones longitudinales por debajo del ligamento inguinal.…”

“…Bases anatómicas vasculares de los colgajos perforantes cutáneos C Ci ir ru ug gí ía a P Pl lá ás st ti ic ca a I Ib be er ro o--L La at ti in no oa am me er ri ic ca an na a --V Vo ol l. 3. 32 2 --N Nº º 4 4 d de e 2 20 00 06 Angiograma de la extremidad inferior obtenido tras inyección corporal total de óxido de plomo.…”

New Approach to Vascular Injection in Fresh Cadaver Dissection

“…These findings confirm the excellent results obtained by this type of mixture for a descriptive approach to the vascular anatomy. 2,3 The use of gelatin does not prevent the progression of mixture into the distal vascular network in which infra-millimetric vessels are always filled. However, the elastic properties of the vascular structures could induce an overestimate of the size of the thin, injected network because of the increased pressure during vascular injection and rapid setting.…”

First Lumbrical Muscle Flap for Recurrence of Carpal Tunnel Syndrome: Anatomical Study and Surgical Technique

“…Their irrigation depends mainly on the superficial palmar arch, and, to a lesser extent (its distal third), on the deep palmar arch through the metacarpal artery. The anatomical study by Zbrodowski et al 15 is noteworthy; it includes 100 specimens and the authors describe in detail the vascularization of the lumbrical muscles. The first lumbrical muscle, receives vascularization from most of the arterial branches; on the other hand, these constitute the smallest plexus of all the lumbrical muscles.…”