Muscle contribution to elbow joint valgus stability.

Fang Lin1, Navjot Kohli, Sam Perlmutter

  • 1Department of Physical Therapy and Human Movement Sciences, Northwestern University, Chicago, IL 60611, USA.

Summary

The flexor carpi ulnaris (FCU), flexor digitorum superficialis (FDS), and flexor carpi radialis (FCR) muscles dynamically stabilize the elbow, with the FCU providing primary support against valgus stress. The extensor carpi ulnaris (ECU) and extensor digitorum communis (EDC) increase valgus strain.

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