| Summary: | Avulsion fracture of the brachioradialis origin at its proximal
attachment on the lateral supracondylar ridge of the distal
humerus is exceedingly rare, and only two cases have been
reported in the literature so far. In this article, we present a
38 years old patient who sustained a closed avulsion fracture
of the lateral supracondylar ridge of left humerus at the
proximal attachment of brachioradialis following a fall
backwards on outstretched hand after being struck by a lorry
from behind while riding on a two-wheeler (motorcycle). He
was managed with above elbow plaster for four weeks
followed by elbow and wrist mobilization. At final followup,
the patient had painless full range elbow motion with
good elbow flexion strength. The unique mechanism by
which this avulasion fracture occurred is explained on the
basis of the mode of injury, position of the limb and structure
and function of the brachioradialis muscle.
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