If the lesion is high up, as it is, for example, in crutch paralysis, the triceps and anconeus may also suffer.
Examplesofanconeus
anconeus
The somatomotor portion of radial nerve innervatinganconeusbifurcates from the main branch in the radial groove of the humerus.
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The triceps brachii andanconeusextend the elbow, and attach to the posterior side of the humerus.
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Harm inflicted upon the radial nerve through these mechanisms can paralyze theanconeusmuscle as well as other extensors of the elbow and wrist.
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Some consideranconeusto be a continuation of the triceps brachii muscle.
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It ascends to the interval between the lateral epicondyle and olecranon, on or through the fibers of the supinator but beneath theanconeus.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.