Hypermobility means that the joints are unusually mobile.


Problems associated with knee hypermobility

Hypermobile knees are prone to patellar subluxation, patellar dislocation and repetitive trauma.

lax joints

An abstract of a study by Dr Raju Vaishya on how some simple tests may identify some athletes at risk of an ACL tear.

Terminology of flexion & extension

A discussion of the words used to describe problems with range of motion of the knee.



The extent and risk of knee injuries in children aged 9–14 with Generalised Joint Hypermobility and knee joint hypermobility - the CHAMPS-study Denmark. Junge T, Larsen LR, Juul-Kristensen B and Wedderkopp N. BMC Musculoskelet Disord. 2015; 16: 143.

Ehlers–Danlos Syndrome—Hypermobility Type: A Much Neglected Multisystemic Disorder. Gazit Y, Jacob G and Grahame R. Rambam Maimonides Med J. 2016 Oct; 7(4): e0034.

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