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Gantzer muscle. An anatomical study
Caetano, Edie Benedito; Sabongi Neto, João José; Vieira, Luiz Ângelo; Caetano, Maurício Ferreira; Moraes, Daniel Vinhais.
Affiliation
  • Caetano, Edie Benedito; PUC. Faculdade de Medicina. Department of Orthopedics and Traumatology. Sorocaba. BR
  • Sabongi Neto, João José; PUC. Faculdade de Medicina. Department of Orthopedics and Traumatology. Sorocaba. BR
  • Vieira, Luiz Ângelo; PUC. Faculdade de Medicina. Department of Orthopedics and Traumatology. Sorocaba. BR
  • Caetano, Maurício Ferreira; PUC. Faculdade de Medicina. Department of Orthopedics and Traumatology. Sorocaba. BR
  • Moraes, Daniel Vinhais; PUC. Faculdade de Medicina. Department of Orthopedics and Traumatology. Sorocaba. BR
Acta ortop. bras ; Acta ortop. bras;23(2): 72-75, 2015. fig
Article in En | LILACS | ID: lil-742768
Responsible library: BR1.1
ABSTRACT

OBJECTIVE:

The relationship of Gantzer muscle to the median and anterior interosseous nerve is debated.

METHODS:

Ìn an anatomical study with 80 limbs from 40 cadavers the incidence, origin, insertion, nerve supply and relations of Gantzer muscle have been documented.

RESULTS:

The muscle was found in 54 forearms (68% of limbs) and was supplied by the anterior interosseous nerve. It arose from the deep surface of the flexor digitorum superficialis muscle, (42 limbs), coronoid process (eight limbs) and medial epicondyle (seven limbs). Its insertion was to the ulnar part of flexor pollicis longus muscle. The Gantzer muscle always lay posterior to both the median and anterior interosseous nerve.

CONCLUSION:

The Gantzer muscle may contribute to the median nerve and anterior interosseous nerve compression. The muscle was found in 68% of limbs and should be considered a normal anatomical pattern rather than an anatomical variation. Level of Evidence IV, Case Series.
Subject(s)
Key words

Full text: 1 Index: LILACS Main subject: Cadaver / Muscle, Skeletal / Forearm / Median Nerve / Nerve Crush Language: En Journal: Acta ortop. bras Journal subject: ORTOPEDIA Year: 2015 Type: Article

Full text: 1 Index: LILACS Main subject: Cadaver / Muscle, Skeletal / Forearm / Median Nerve / Nerve Crush Language: En Journal: Acta ortop. bras Journal subject: ORTOPEDIA Year: 2015 Type: Article