Metrical and non‐metrical features of the muscular branches of the median nerve

Sunderland, S.; Ray, L. J.

doi:10.1002/cne.900850205

Cited by 36 publications

(25 citation statements)

References 2 publications

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“…In 18 specimens of our first group, OP received two branches; in only one specimen, three branches. Sunderland and Ray (1946) reported that OP occasionally received two branches. Mumford et al (1987) found that result in two of 20 specimens and Olave et al (1995Olave et al ( , 1996 in eight of 30 specimens.…”

Section: Discussionmentioning

confidence: 98%

“…The terminology for this branch of the median nerve that innervates the thenar musculature varies. Terms include thenar branch, thenar motor branch, motor branch, thenar trunk, muscular branch/branches, recurrent branch, and recurrent motor branch (Sunderland and Ray, 1946;Linburg and Albright, 1970;Graham, 1973;Mumford et al, 1987;Schmidt and Lanz, 1992;Olave et al, 1995Olave et al, , 1996Kozin, 1998;Federative Committee on Anatomical Terminology, 1998;Mazurek and Shin, 2001; International Federation of Societies for Surgery of the Hand, 2001). We preferred to use the term thenar branch.…”

Section: Introductionmentioning

confidence: 96%

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Ramification pattern of the thenar branch of the median nerve entering the thenar fascia and the distribution of the terminal branches in the thenar musculature: Anatomic cadaver study in 144 hands

et al. 2005

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Knowledge of the anatomy of the median nerve is important in surgery of the palmar aspect of the hand. The purpose of our study was to investigate the ramification pattern of the thenar branch before entering the thenar fascia and the distribution of the terminal branches in the thenar musculature. The observations were carried out on 144 hands of 74 dissecting room cadavers. According to the number of the thenar branches entering the thenar fascia we classified our specimens into four types. In 121 hands (84%, Group I) the thenar branch piercing the thenar fascia was a single trunk. In 19 hands (13.2%, Group II) two branches; in three (2.1%; Group III), three branches; and in one hand (0.7%; Group IV), four branches were identified entering the thenar fascia. Accessory thenar nerve was found in 8.3% of hands. The further division of each branch to its terminal branches was investigated in detail. Our results show that the more the number of thenar branches entering the thenar fascia, the less the terminal branching. Because more than one branch was seen in 16% of the specimens, meticulous dissection is required for preventing injury of the thenar branches before entering the thenar fascia.

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Section: Discussionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 96%

Ramification pattern of the thenar branch of the median nerve entering the thenar fascia and the distribution of the terminal branches in the thenar musculature: Anatomic cadaver study in 144 hands

et al. 2005

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“…1921;Sunderland and Ray. 1946], These studies have so far revealed no regular branching pattern of the nerves.…”

Section: Introductionmentioning

confidence: 99%

Ramification Pattern of Intermetacarpal Branches of the Deep Branch (Ramus profundus) of the Ulnar Nerve in the Human Hand

Homma

Sakai

1991

Cells Tissues Organs

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The branching pattern of the deep branch (ramus profundus) of the ulnar nerve and its relation with the target were analyzed in the human hand by an improved dissection method. After sending off branches to the hypothenar muscles, the r. profundus branched off an ulnar stem and a radial stem to the fourth, to the third and to the second intermetacarpal spaces, respectively, in this order, and an ulnar stem to the first to become terminal branches. The ulnar stems included an ulnar interosseous branch and a superficial articular branch in addition to a lumbrical branch in the third and fourth intermetacarpal spaces. The radial stems included only a radial interosseous branch. The branching pattern of the ulnar stems as well as its topographical relationship with the radial stems indicated a fundamental spatial arrangement of the branches in the intermetacarpal spaces: the lumbrical, superficial articular, ulnar interosseous and radial interosseous branches were arranged fundamentally in this order from ulnar to radial in each space; the first three branches may form a common trunk. The present observations demonstrate that individual nerves in the extremities may have a regular branching pattern, contrary to most of the previous observations.

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“…Commonly the pronator teres receives a branch that bifurcates into two branches to the superficial and deep heads. Equally common is to have two or more distinct branches to the pronator teres (Sunderland and Ray 1946;Dellon and Mackinnon 1987;Gunther et al 1992). In contrast, the flexor carpi radialis usually only has one branch (Sunderland and Ray 1946;Blair and Joos 1982).…”

Section: Targetsmentioning

confidence: 99%

“…Equally common is to have two or more distinct branches to the pronator teres (Sunderland and Ray 1946;Dellon and Mackinnon 1987;Gunther et al 1992). In contrast, the flexor carpi radialis usually only has one branch (Sunderland and Ray 1946;Blair and Joos 1982). The flexor digitorum superficialis may receive up to seven branches and often (in 30% of specimens) receives branches from the anterior interosseous nerve (Sunderland and Ray 1946).…”

Section: Targetsmentioning

confidence: 99%