Resisted Isometric Movement Testing

The Resisted Isometric Movement testing was an examination developed by Cyriax. It was originally called resisted movements, and is sometimes known as the resisted isometrics.

Contractile structures: Structures that can shorten and elongate in length like a muscle

Inert structures: Structures in the human body that cannot shorten or elongate in length. Eg: ligaments, tendons, capsule, bursa.

Procedure:

The joint must be held at mid range. This is done to keep the inert sturctues off any strecth