Webnoun. in· ter· os· se· us ˌin-tər-ˈäs-ē-əs. plural interossei -ē-ˌī. : any of various small muscles arising from the metacarpals and metatarsals and inserted into the bases of the first phalanges: a. : dorsal interosseus. b.
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WebAGHI Leadership includes members from UAB, HudsonAlpha Institute for Biotechnology and Tuskegee University, nationally recognized institutions that are leaders in bioethics and … In human anatomy, the dorsal interossei (DI) are four muscles in the back of the hand that act to abduct (spread) the index, middle, and ring fingers away from hand's midline (ray of middle finger) and assist in flexion at the metacarpophalangeal joints and extension at the interphalangeal joints of the index, middle and ring fingers. plotly event handler
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WebAug 24, 2024 · The interosseous (or interossei) muscles of the hand are a group of intrinsic hand muscles that lie near the metacarpals. There are two sets: dorsal interossei muscles (hand) palmar interossei muscles (hand) Related articles: Anatomy: Upper limb Promoted articles (advertising) WebAIN branch to FDP branch to FPL branch to pronator quadratus Course arises 5-8 cm distal to lateral epicondyle passes between two heads of pronator teres runs along the volar surface of the FDP courses distally along the interosseous membrane terminates in PQ near wrist joint Motor Innervation Motor deep forearm muscles WebJul 25, 2024 · The dorsal interosseous muscles are a group of paired intrinsic muscles of the hand located between the metacarpals. They consist of four dorsal muscles that abduct the fingers. The dorsal interossei additionally assist in flexion of the metacarpophalangeal joints and extension of the interphalangeal joints. All interossei muscles receive innervation by … plotly embed image python