Biaxial joint

In anatomy, a biaxial joint is a freely mobile joint that allows movement in two anatomical planes.[1] An example of a biaxial joint is a metacarpophalangeal joint of the hand.[2] The joint allows for movement along one axis to produce bending or straightening of the finger, and movement along a second axis, which allows for spreading of the fingers away from each other and bringing them together.[3]

References
  1. "ANATOMY & PHYSIOLOGY: Classification of Joints". Pressbooks. OpenStaxCollege. March 6, 2013. Retrieved 3 June 2023.
  2. Shaw, Will (January 18, 2023). "Biaxial Joints Explained". sportscienceinsider.com. Sport Science Insider. Retrieved 3 June 2023.
  3.  This article incorporates text available under the CC BY 4.0 license.Betts, J Gordon; Desaix, Peter; Johnson, Eddie; Johnson, Jody E; Korol, Oksana; Kruse, Dean; Poe, Brandon; Wise, James; Womble, Mark D; Young, Kelly A (2013). Anatomy & Physiology. Houston: OpenStax CNX. 9.1 Classification of Joints. ISBN 978-1-947172-04-3. Retrieved May 14, 2023.


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