iliocostalis muscle

iliocostalis muscle

      any of the deep muscles of the back that, as part of the erector spinae (sacrospinalis) muscle group, aid in extension (bending backward), lateral flexion (bending to the side), and rotation of the spinal column. The iliocostalis group consists of a lower part (iliocostalis lumborum) that extends from the ilium (upper part of the hipbone) to the lower ribs, a middle part (iliocostalis dorsi, or thoracis) that extends from the lower to the upper ribs, and an upper part (iliocostalis cervicis) that extends from the upper ribs to the transverse processes (side projections) of the cervical vertebrae (in the neck).

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Universalium. 2010.

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  • iliocostalis muscle — musculus iliocostalis …   Medical dictionary

  • Iliocostalis — Muscle infobox Name = PAGENAME Latin = musculus iliocostalis GraySubject = 115 GrayPage = 399 Caption = Deep muscles of the back. (Iliocostalis lumborum visible at bottom right, iliocostalis dorsi visible at center right, and iliocost. cerv.… …   Wikipedia

  • muscle — muscleless, adj. muscly, adj. /mus euhl/, n., v., muscled, muscling, adj. n. 1. a tissue composed of cells or fibers, the contraction of which produces movement in the body. 2. an organ, composed of muscle tissue, that contracts to produce a… …   Universalium

  • Muscle — is the tissue of the body which primarily functions as a source of power. There are three types of muscle in the body. Muscle which is responsible for moving extremities and external areas of the body is called "skeletal muscle." Heart… …   Medical dictionary

  • iliocostalis cervicis — iliocostalis cer·vi·cis sər və səs n a muscle that extends from the ribs to the cervical transverse processes and acts to draw the neck to the same side and to elevate the ribs …   Medical dictionary

  • iliocostalis lumborum — iliocostalis lum·bor·um .ləm bȯr əm n a muscle that extends from the ilium to the lower ribs and acts to draw the trunk to the same side or to depress the ribs …   Medical dictionary

  • iliocostalis thoracis — iliocostalis tho·ra·cis thə rā səs n a muscle that extends from the lower to the upper ribs and acts to draw the trunk to the same side and to approximate the ribs …   Medical dictionary

  • iliocostalis — See i. (muscle). * * * il·io·cos·ta·lis käs tā ləs n the lateral division of the sacrospinalis muscle that helps to keep the trunk erect and consists of three parts: a) ILIOCOSTALIS CERVICIS b) ILIOCOSTALIS LUMBORUM c) ILIOCOSTALIS THORACIS …   Medical dictionary

  • iliocostalis — ˌilēōˌkäˈstalə̇s, tāl , täl noun ( es) Etymology: New Latin, from ilio + Late Latin costalis rib, from Latin costa rib + alis (from alis al, adjective suffix) : the lateral division of the sacrospinalis muscle that helps to ke …   Useful english dictionary

  • Muscle — For other uses of Muscle , see Muscle (disambiguation). A top down view of skeletal muscle Muscle (from Latin …   Wikipedia

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