The relative motion orthosis (RMO) first came to our attention as a component of a post-operative rehabilitation protocol for extensor tendon injuries. You will know the protocol as the ICAM or “Immediate Active Controlled Motion” protocol.
The RMO was originally fabricated to be worn with a wrist cock-up orthosis. The idea behind the design was to hold one or two digits in relative extension compared to the adjacent digits. A solution to reduce tension on the repaired extensor tendon.
The list of pathologies for which the Relative Motion Orthosis is currently being used has grown significantly. In fact, it is the new “go-to-orthosis” for a wide variety of conditions affecting the hand and digits, such as:
Aside from the list above the RMO also makes a great exercise aid.
Follow along with this video to fabricate an effective Relative Motion Orthosis in Orficast 6 cm
There’s a lot more to learn and discover about this versatile orthosis. We created a dedicated Relative Motion Orthosis Handout which includes the following:
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