Arcade of Frohse, sometimes called the supinator arch, is the most superior part of the superficial layer of the supinator muscle, and is a fibrous arch over the deep division of the radial nerve. The arcade of Frohse is a site of interosseous posterior nerve entrapment, and is believed to play a role in causing progressive paralysis of the posterior interosseous nerve, both with and without injury.
Arcade of Frohse, sometimes called the supinator arch, is the most superior part of the superficial layer of the supinator muscle, and is a fibrous arch over the deep division of the radial nerve. The arcade of Frohse is a site of interosseous posterior nerve entrapment, and is believed to play a role in causing progressive paralysis of the posterior interosseous nerve, both with and without injury.
Source: Wikipedia "Arcade of Frohse" · CC BY-SA 4.0
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