anterior interosseous nerve


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an·te·ri·or in·ter·os·se·ous nerve

[TA]
a branch of the median nerve arising in the elbow region, running on the interosseous membrane, supplying the flexor pollicis longus, part of flexor digitorum profundus and the pronator quadratus muscles, as well as radiocarpal and intercarpal joints.

an·te·ri·or in·ter·os·se·ous nerve

(an-tēr'ē-ŏr in'tĕr-os'ē-ŭs nĕrv) [TA]
A branch of the median nerve arising in the elbow region, running on interosseous membrane, supplying the flexor pollicis longus, part of flexor digitorum profundus, and the pronator quadratus muscles, as well as radiocarpal and intercarpaljoints.
Synonym(s): nervus interosseus antebrachii anterior [TA] .
References in periodicals archive ?
Anterior interosseous nerve (AIN) palsy only, 12 patients; posterior interosseous (PIN) palsy only, 13 patients; ulnar palsy only, 0 patients; AIN+PIN palsies, 6 patients; PIN+ulnar palsies, 2 patients.
Anterior interosseous nerve dysfunction results in a flattened pinch without IPJ or distal IPJ flexion, which increases the contact of the thumb and index finger pulp.
Intraepineurial constriction of nerve fascicles in pronator syndrome and anterior interosseous nerve syndrome.
2) Various articles have discussed about the relationship between AHFPL muscle and anterior interosseous nerve and median nerve.
However, Ruch did report an anterior interosseous nerve transection following synovectomy.
We examined the relationship between the anterior interosseous nerve and the pronator quadratus.
The muscle belly was innervated by a small twig of anterior interosseous nerve.
It goes through the arm by the side of the brachial artery (Gray, 1985; Stern, 1997) and in the cubital fossa gives off a branch named anterior interosseous nerve.
While passing toward the interosseous membrane, the common interosseous artery was separated from the median and anterior interosseous nerves by the ulnar head of the pronator teres muscle (Figure 2).

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