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The ball and socket joint (or spheroidal joint) is a type of synovial joint in which the ball-shaped surface of one rounded bone fits into the cup-like depression of another bone. The distal bone is capable of motion around an indefinite number of axes, which have one common center. It enables the bone to move in many places (Nearly all directions).

An enarthrosis is a special kind of spheroidal joint in which the socket covers the sphere beyond its equator.^[1]

Examples

Examples of this form of articulation are found in the hip, where the rounded head of the femur (ball) rests in the cup-like acetabulum (socket) of the pelvis, and in the glenohumeral joint of the shoulder, where the rounded head of the humerus (ball) rests in the cup-like glenoid fossa (socket) of the shoulder blade.^[2] It should be noted that the shoulder includes a sternoclavicular articulation joint.

Hip
Shoulder
Details of hip joint.
1. Femur
2. Femoral Neck
3. Femoral Head
4. Acetabulum
5. Acetabular Labrum
6. Pelvis

References

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

^ Platzer, Werner (2008) Color Atlas of Human Anatomy, Volume 1, p.28
^ And the phalanges (toes, fingers).Module - Introduction to Joints

This human musculoskeletal system article is a stub. You can help Wikipedia by expanding it.

English Journal

Contribution of the incudo-malleolar joint to middle-ear sound transmission.

Gerig R1, Ihrle S2, Röösli C3, Dalbert A3, Dobrev I3, Pfiffner F3, Eiber A2, Huber AM3, Sim JH3.
Hearing research.Hear Res.2015 Sep;327:218-26. doi: 10.1016/j.heares.2015.07.011. Epub 2015 Jul 21.
The malleus and incus in the human middle ear are linked by the incudo-malleolar joint (IMJ). The mobility of the human IMJ under physiologically relevant acoustic stimulation and its functional role in middle-ear sound transmission are still debated. In this study, spatial stapes motions were measu
PMID 26209186

Sex- and age-related morphological characteristics of European elk (Alces alces) pelves.

Nahkur E1, Ernits E, Andrianov V, Jalakas M, Järv E.
Anatomia, histologia, embryologia.Anat Histol Embryol.2014 Aug;43(4):273-81. doi: 10.1111/ahe.12072. Epub 2013 Jun 21.
There is no data in the literature concerning the frequency of birthing difficulties in the elk cow. This study aims to describe the pelves of elk cows and adult bulls. The measurements of an elk pelvis depend on living conditions rather than age. The dimensions of primiparous pelves are more homoge
PMID 23786606

[Treatment of double injuries of superior shoulder suspensory complex].

Chen JL1, Zhang LJ, Ye F, Zheng XD, Xu Y, Zhu SB.
Zhongguo gu shang = China journal of orthopaedics and traumatology.Zhongguo Gu Shang.2011 Dec;24(12):1039-42.
OBJECTIVE: To explore operative method for the treatment of double injuries of superior shoulder suspensory complex (SSSC).METHODS: From January 2008 to March 2010,11 patients wiht SSSC injuries were treated, including 9 males and 2 females with an average age of 38 years (ranged from 20 to 47 years
PMID 22276519

「臼状関節」

Ball and socket joint
	1: Ball and socket joint; 2: Condyloid joint (Ellipsoid); 3: Saddle joint; 4 Hinge joint; 5: Pivot joint;
	Capsule of shoulder-joint (distended). Anterior aspect.
Details
Identifiers
Latin	Articulatio sphaeroidea
Dorlands; /Elsevier	a_64/12161549
TA	A03.0.00.050
	Anatomical terminology [edit on Wikidata]

　　[★]

英: ball and socket joint, enarthroidal joint, enarthrosis, cotyloid joint
ラ: articulatio cotylica
関: 関節

[Platzer2008p28-1] Platzer, Werner (2008) Color Atlas of Human Anatomy, Volume 1, p.28

[2] And the phalanges (toes, fingers).Module - Introduction to Joints

匿名

検索

案内

案内

articulatio cotylica