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

posterior interosseous nerve The posterior interosseous nerve (or dorsal interosseous nerve) is a nerve in the forearm. It is the continuation of the deep branch of the radial nerve, after this has crossed the supinator muscle. It is considerably diminished in size compared ...

. The arcade of Frohse is a site of interosseous posterior nerve entrapment, and is believed to play a role in causing progressive

paralysis Paralysis (also known as plegia) is a loss of motor function in one or more muscles. Paralysis can also be accompanied by a loss of feeling (sensory loss) in the affected area if there is sensory damage. In the United States, roughly 1 in 50 ...

of the posterior interosseous nerve, both with and without injury. The arcade of Frohse was named after German

anatomist Anatomy () is the branch of biology concerned with the study of the structure of organisms and their parts. Anatomy is a branch of natural science that deals with the structural organization of living things. It is an old science, having its ...

, Fritz Frohse (1871-1916).

References

External links

Clinical anatomy of the radial nerve

MRI Web Clinic (MRIs of Posterior interosseous nerve entrapment)
Archade of Frohse {{muscle-stub