Ball and socket joint
Last revised by Yuranga Weerakkody on 22 May 2017
Citation, DOI, disclosures and article data
Citation:
Dixon A, Kang O, Weerakkody Y, Ball and socket joint. Reference article, Radiopaedia.org (Accessed on 23 Apr 2024) https://doi.org/10.53347/rID-42712
Permalink:
rID:
42712
Article created:
4 Feb 2016,
Andrew Dixon ◉
Disclosures:
At the time the article was created Andrew Dixon had no recorded disclosures.
View Andrew Dixon's current disclosures
Last revised:
22 May 2017,
Yuranga Weerakkody ◉
Disclosures:
At the time the article was last revised Yuranga Weerakkody had no recorded disclosures.
View Yuranga Weerakkody's current disclosures
Revisions:
3 times, by
3 contributors -
see full revision history and disclosures
Systems:
Sections:
Synonyms:
- Spheroidal joint
- Ball and socket joints
- Spheroidal joints
Ball and socket joints are a type of synovial joint where the spheroid articular surface of one bone sits within a cup-like depression of another bone.
Movements
The ball and socket configuration allows for movement with 3 degrees of freedom, which is more than any other type of synovial joint. The depth of the cup and any additional fibrocartilaginous labrum is the major limitation to the extent of motion allowed in any direction.
- flexion / extension
- abduction / adduction
- rotation
- circumduction
Examples
Incoming Links
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