Incidence and morphology of accessory heads of flexor pollicis longus and flexor digitorum profundus (Gantzer's muscles)

Jones, Michael; Abrahams, Peter; Sañudo, José Ramón; Campillo, M.

doi:10.1046/j.1469-7580.1997.19130451.x

Cited by 64 publications

(128 citation statements)

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“…The deep layer further develops into FDP, FPL, and pronator quadratus muscle, but incomplete differentiation creates the AHFPL (Hollinshead, 1964;Jones & Abrahams). The occurrence of an accessory head of FDP in Mangini; Jones & Abrahams, 1997; and our report, all seem to attest to this hypothesis.…”

Section: Discussionsupporting

confidence: 68%

Accessory Head of Flexor Pollicis Longus Muscle and its Significance in Anterior Interosseous Nerve Syndrome: Case Report and Review

et al. 2007

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SUMMARY:During the laboratory dissection of the fore arm, an accessory head of flexor pollicis longus muscle has been observed unilaterally in the right upper limb of a male cadaver. It took its origin from the under surface of flexor digitorum superficialis muscle just distal to the origin of this muscle from medial epicondyle. On further dissection we have noticed that, the accessory belly was running downwards to the medial aspect of the tendon of flexor pollicis longus muscle for its insertion. Its possible role in anterior interosseous syndrome is discussed in detail with a brief review.

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Section: Discussionsupporting

confidence: 68%

Accessory Head of Flexor Pollicis Longus Muscle and its Significance in Anterior Interosseous Nerve Syndrome: Case Report and Review

et al. 2007

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“…Most of the times such muscular variations are Muscular variations are commonly observed during cadaveric dissection. These variations are in the form of abnormal origin or insertion, accessory slips of the muscles, anatomical [3,4,5]. In the present study it is 36%, little higher on left side 38% than right side 34%, this is accordance with the results by Le Double.…”

Section: Introductionsupporting

confidence: 82%

“…The most common singular point of origin from under the surface of FDS has been reported by M. Jones [4]. Wood has reported the origin of ahFPL from coronoid process of ulna.…”

Section: Methodsmentioning

confidence: 94%

Accessory Heads of Forearm Flexors and Flexor Carpi Radialis Brevis: A Cadaveric Study With Clinical Significance

Burute¹,

Vatsalaswamy²

2017

IJAR

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Introduction: Muscular variations in the form of accessory muscles are common and observed during cadaveric dissections, surgeries or investigative radiological procedures. Knowledge of such variations in upper limb is useful for hand surgeons and neurosurgeons. Materials and Methods: Total 156 (80 of right side and 76 of left side) upper limbs of unknown sex were dissected for presence of accessory muscles in the flexor compartment of the forearm. Observed accessory bellies and anatomical variant muscles were studied for its origin and insertion, size and shape and its important relations. Observations: Accessory head for the flexor pollicis longus (ahFPL) was the most common variation found in 56 (36%) limbs. Accessory head for the flexor digitorum profundus (ahFDP) was observed in five (3.2%) limbs, and accessory head for the flexor digitorum superficialis (ahFDS) in two limbs (1.2%,). Two accessory bellies in the same hand with common or separate origin were found in 5 limbs (3.2%). An anatomical variant flexor carpi radialis brevis (FCRB), which is not very common, was found in one limb. Conclusion: Accessory bellies of the muscles in the forearm are known for compression neuropathies like anterior interosseous nerve syndrome (AINS). Available accessory muscles like FCRB could be used for tendon transfers in patients with arthritis of thumb. Awareness of such variations helps in diagnosis of neuropathies, to avoid complications during surgeries and most importantly accessory muscles could be used for tendon graft/ transfer to to transform disability into functional hands.

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“…Although there are reports that a prevalence of aFPL When present the GM mostly originated from the medial epicondyle of the humerus or the under surface of FDS muscle, as in the present case [8]. It has been reported that the insertion sites of the GM were the FDP or the FPL, and the more common form of the GM was aFPL [2,[8][9][10].…”

Section: Discussionmentioning

confidence: 78%

Double Gantzer's Muscles by Four Muscle Bellies and Its Clinical Significance: A Case Report

Lee

2017

Korean J Phys Anthropol

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: The Gantzer's muscle (GM) is an additional muscle in the forearm as the accessory head of the flexor pollicis longus (FPL) and accessory head of the flexor digitorum profundus (FDP). We reported a rare case of double GM formed by four muscle bellies. From the dorsal part of flexor digitorum superficialis, small four bellies formed two muscles merging to FDP and FPL, as GMs. These accessory heads of FDP and FPL crossed the ulnar artery and the median nerve, respectively. These additional muscles in the forearm flexor compartment are rare and its clinical and embryological significances should be considered.

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Incidence and morphology of accessory heads of flexor pollicis longus and flexor digitorum profundus (Gantzer's muscles)

Cited by 64 publications

References 0 publications

Accessory Head of Flexor Pollicis Longus Muscle and its Significance in Anterior Interosseous Nerve Syndrome: Case Report and Review

Accessory Head of Flexor Pollicis Longus Muscle and its Significance in Anterior Interosseous Nerve Syndrome: Case Report and Review

Accessory Heads of Forearm Flexors and Flexor Carpi Radialis Brevis: A Cadaveric Study With Clinical Significance

Double Gantzer's Muscles by Four Muscle Bellies and Its Clinical Significance: A Case Report

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