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Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus I: Muscular System: Alphabetical Listing of Muscles: O: Obturator Externus

Illustrated Encyclopedia of Human Anatomic Variation: Opus I: Muscular System: Alphabetical Listing of Muscles: O

Obturator Externus

Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD

Peer Review Status: Internally Peer Reviewed
The external obturator shows little variation.Occasionally, a part of the muscle may be isolated above the point of exit of the obturator nerve. This becomes a potential nerve entrapment site. The muscle may be divided into three parts and this subdivision is considered to be the normal arrangement. Obturator externus may be connected to adductor brevis.

References

Anson, B.J.,Ed. (1966) Morris' Human Anatomy,12th ed. The Blakiston Division, McGraw Hill Book Company. New York.

Henle, J. (1871) Handbuch der Muskellehre des Menschen, in Handbuch der systematischen Anatomie des Menschen. Verlag von Friedrich Vieweg und Sohn, Braunschweig.

LeDouble, A.F. (1897) Traité des Variations du Systéme Musculaire de l'Homme et Leur Signification au Point de vue de l'Anthropologie Zoologique. Libraire C. Reinwald, Scheicher Freres, Paris.

Virjman, L.H. (1924-25) Eine seltene Abart des M. obturator externus. Anat. Anz. 59:246-250.

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