posterior interosseous nerve


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pos·te·ri·or in·ter·os·se·ous nerve

[TA]
the terminal portion of the deep branch of the radial nerve; arises in the cubital region, penetrating and supplying the supinator and continuing with the posterior interosseous artery to supply all the extensor muscles in the forearm.

pos·te·ri·or in·ter·os·se·ous nerve

(pos-tēr'ē-ŏr in'tĕr-os'ē-ŭs nĕrv) [TA]
The deep terminal branch of the radial nerve; arises in the cubital region, penetrating and supplying the supinator and continuing with the posterior interosseous artery to supply all the extensor muscles in the forearm.
Synonym(s): nervus interosseus antebrachii posterior [TA] .
References in periodicals archive ?
The course of the posterior interosseous nerve in the proximal forearm and its muscular innervations have been the subject of cadaveric studies.
of cases Percentage <16 weeks 20 66.67 16-24 8 26.66 24-36 2 6.66 Total 30 100 COMPLICATIONS Complications Number (n=30) % Posterior Interosseous Nerve injury 1 3.3 Radioulnar synostosis 1 3.3 Superficial infection 3 10.0 Nil 26 86.7 Complications Anderson Chapman Frankie Present study Infection 2.9% 2.5% 2% 10% Nonunion 2.9% 2.3% -- -- Posterior interosseous 2% 1.5% 3% 3.3% nerve injury Radioulnar synostosis 1.2% 2.3% -- 3.3%
Variations in the anatomic relations of the posterior interosseous nerve associated with proximal forearm trauma.
Tsutida, "Digital nerve grafting using the terminal branch of posterior interosseous nerve: a report of three cases," Hand Surgery, vol.
With a digital caliper, we measured the branches of the pronator teres muscle (PTM), anterior interosseous nerve (AIN), extensor carpi radialis longus muscle (ECRL), extensor carpi radialis brevis muscle (ECRB), and posterior interosseous nerve (PIN).
We report a case of a 23-year-old right-handed man who was admitted to our department after a car accident, with an open fracture of his left forearm (IIIb in the Gustilo-Anderson classification), extensor muscular mass loss, and a posterior interosseous nerve laceration.
Scaphocapitate fusion to offload the stress on lunate bone, preserving the wrist range of motion and Posterior interosseous nerve neurectomy for pain relief was planned.
Given the superior biomechanical properties of cortical button fixation and increased use of this technique, the safety of the posterior interosseous nerve was brought into question while drilling through the posterior cortex.
posterior interosseous nerve (or dorsal interosseous nerve) which also supplies to the most of the muscles on the lateral side and posterior aspect of the forearm (Papaloizos, 2004).

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