WordNet

of or characteristic of low rank or importance
one of lesser rank or station or quality
having an orbit between the sun and the Earths orbit; "Mercury and Venus are inferior planets"
lower than a given reference point; "inferior alveolar artery"
of low or inferior quality

PrepTutorEJDIC

(階級・親分・質・程度などが)『下の』,『劣る』, / (位置が)低い,下方の / 目下の者;劣った人

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/07/30 21:16:39」(JST)

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The inferior gemellus muscle is a muscle of the human body. The Gemelli are two small muscular fasciculi, accessories to the tendon of the Obturator internus which is received into a groove between them.

The Gemellus inferior arises from the upper part of the tuberosity of the ischium, immediately below the groove for the Obturator internus tendon. It blends with the lower part of the tendon of the Obturator internus, and is inserted with it into the medial surface of the greater trochanter. Rarely absent.

Like the obturator internus muscle, the gemellus superior and gemellus inferior help to steady the femoral head in the acetabulum. Both muscles also help to laterally rotate the extended thigh and abduct the flexed thigh at the hip

Additional images

Inferior gemellus muscle.
Right hip bone. External surface.
Right femur. Anterior surface.
Structures surrounding right hip-joint.
Inferior gemellus muscle

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links

-442892211 at GPnotebook
PTCentral
Anatomy photo:13:st-0401 at the SUNY Downstate Medical Center

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English Journal

Dynamic Ultrasonography of the Deep External Rotator Musculature of the Hip: A Descriptive Study.

Battaglia PJ1, Mattox R2, Haun DW2, Welk AB2, Kettner NW2.
PM & R : the journal of injury, function, and rehabilitation.PM R.2015 Nov 10. pii: S1934-1482(15)01100-4. doi: 10.1016/j.pmrj.2015.11.001. [Epub ahead of print]
BACKGROUND: No detailed reports exist describing the methodology of ultrasound image acquisition of the deep external rotator muscles of the hip. Because gluteal pain and sciatica are common, ultrasound may be a useful dynamic imaging adjunct in the evaluation of these patients.OBJECTIVE: To describ
PMID 26548967

Fetal Development of the Human Obturator Internus Muscle With Special Reference to the Tendon and Pulley.

Naito M1, Suzuki R2, Abe H2, Rodriguez-Vazquez JF3, Murakami G4, Aizawa S1.
Anatomical record (Hoboken, N.J. : 2007).Anat Rec (Hoboken).2015 Jul;298(7):1282-93. doi: 10.1002/ar.23121. Epub 2015 Feb 25.
To examine the development of the tendon pulley of the obturator internus muscle (OI), we observed paraffin sections of 26 human embryos and fetuses (∼6-15 weeks of gestation). The OI was characterized by early maturation of the proximal tendon in contrast to the delayed development of the distal
PMID 25683268

Surgically Relevant Bony and Soft Tissue Anatomy of the Proximal Femur.

Philippon MJ1, Michalski MP2, Campbell KJ2, Goldsmith MT2, Devitt BM2, Wijdicks CA2, LaPrade RF1.
Orthopaedic journal of sports medicine.Orthop J Sports Med.2014 Jun 3;2(6):2325967114535188. doi: 10.1177/2325967114535188. eCollection 2014.
BACKGROUND: Hip endoscopy facilitates the treatment of extra-articular disorders of the proximal femur. Unfortunately, current knowledge of proximal femur anatomy is limited to qualitative descriptions and lacks surgically relevant landmarks.PURPOSE: To provide a quantitative and qualitative analysi
PMID 26535335

Japanese Journal

骨盤隔膜, 内閉鎖筋, 大腿方形筋並びに双子筋に分布する神経の肉眼的観察

札幌医学雑誌 = The Sapporo medical journal 56(2), 319-332, 1987-04-01
NAID 120001796629

「下双子筋」

Inferior gemellus muscle
	The inferior gemellus and nearby muscles
	Muscles of the gluteal and posterior femoral regions with inferior gemellus muscle highlighted.
Details
Origin	Ischial tuberosity
Insertion	Obturator internus tendon
Artery	Inferior gluteal artery
Nerve	Nerve to quadratus femoris (L4-S1)
Actions	Rotates laterally thigh
Identifiers
Latin	musculus gemellus inferior
Dorlands; /Elsevier	m_22/12549165
TA	A04.7.02.014
FMA	22320
	Anatomical terms of muscle [edit on Wikidata]