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Radial nerve

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Muscles of the posterior forearm. All the labelled muscles (that is, all the visible muscles except the ones on the dorsal hand and one at top left) are innervated by the radial nerve, and represent all muscles innervated by the radial nerve except for the
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The radial nerve gives out muscular branches to supply the long head, medial head, and lateral head of triceps brachii muscles before and during its course in the radial sulcus. After it emerges out from the radial sulcus, it supplies the
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de Sèze MP, Rezzouk J, de Sèze M, Uzel M, Lavignolle B, Midy D, Durandeau A (2004). "Does the motor branch of the long head of the triceps brachii arise from the radial nerve? An anatomic and electromyographic study".
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The following are branches of the radial nerve (including the superficial branch of the radial nerve and the deep branch of the radial nerve/posterior interosseous nerve).
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muscle, winds around the radius under the cover of supinator to reach posterior of forearm where it again pierces supinator and after which it is known as the
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The deep branch of radial nerve and also known as posterior interosseous nerve is the nerve of extensor compartment of the forearm ...
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Common mechanism of injury: Neck of radius fracture, elbow dislocation or fracture, tight cast, rheumatoid nodules, injections due to
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Sensory deficit: Loss of sensation in lateral arm, posterior forearm, the radial half of dorsum of hand, and dorsal aspect of radial
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Kretschmer, Thomas; Heinen, Christian (2015-01-01), Tubbs, R. Shane; Rizk, Elias; Shoja, Mohammadali M.; Loukas, Marios (eds.),
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which supplies the skin at the back of the arm. In the radial sulcus, it gives off lower lateral cutaneous nerve of the arm and
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provides sensory innervation to much of the back of the hand, including the web of skin between the thumb and index finger.
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Scott, Kevin R.; Ahmed, Aiesha; Scott, Linda; Kothari, Milind J. (2013-01-01), Barnes, Michael P.; Good, David C. (eds.),
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Sensory deficit: Loss of sensation in posterior forearm, the radial half of dorsum of hand, and dorsal aspect of radial
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In the forearm, it is divided into a superficial branch (primarily sensory) and a deep branch (primarily motor).
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Cutaneous innervation of the right upper extremity. Areas innervated by the radial nerve are colored in pink.
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BD Chaurasia's Human Anatomy (Regional and Applied Dissection and Clinical) Volume 1 - Upper limb and thorax
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in the middle third of the forearm, and in the lower third, it descends in the forearm under the tendon of
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with root values of C5 to C8 and T1. From the brachial plexus, it travels behind the third part of the
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The deep branch of the radial nerve, also known as the posterior interosseous nerve, is a motor nerve.
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where the nerve terminates by branching itself into superficial and deep branch which continues into
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to most of the back of the hand, except for the back of the little finger and adjacent half of the
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It is commonly believed that the radial nerve provides motor innervation to the long head of the
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Prakash, M. V. S. Satya; Udupi Bidkar, Prasanna (2016-01-01), Prabhakar, Hemanshu (ed.),
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Front of right upper extremity, showing surface markings for bones, arteries, and nerves.
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at different levels causes different syndromes with varying motor and sensory deficits.
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The radial nerve (and its deep branch) provides motor innervation to the muscles in the
1593: 1548: 1501: 1467: 1282: 1216: 975: 591: 309: 301: 1369:"Acland's video Atlas of Human Anatomy 1.3.1.8 - Radial nerve in the forearm and hand" 1083: 1071: 1023: 233:, and a superficial branch, which goes on to innervate the dorsum (back) of the hand. 1627: 1597: 1552: 1505: 1459: 1420: 1399:"An Anomalous Pattern of Superficial Branch of Radial Nerve: A Cadaveric Case Report" 1343: 1314: 1274: 1230: 1220: 1168: 774:, injuring the deep branch of the radial nerve that pierces the radial head, causing 669: 665: 439: 418:
and then run on the posterior interosseous membrane. It continues to move along with
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at the University of Michigan Health System - "Axilla, dissection, anterior view"
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Colborn, Gene L.; Goodrich, J. Alan; Levine, Monroe I.; Bhatti, Nazir A. (1993).
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Galleries containing indiscriminate images of the article subject are discouraged
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Neuromuscular Disorders of Infancy, Childhood, and Adolescence (Second Edition)
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Sensory deficit: None, as sensation is supplied by the superficial radial nerve
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Back of right upper extremity, showing surface markings for bones and nerves.
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Nerve in the human body that supplies the posterior portion of the upper limb
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This nerve was historically referred to as the musculospiral nerve.
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Weakness of supination, and loss of extension of hand and fingers.
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by the radial nerve is provided by the following nerve branches:
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until it reaches the lateral side the arm at 5 cm below the
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This gallery of anatomic features needs cleanup to abide by the
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Weakness in extension of hand and loss of extension of fingers.
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on the back of the humerus. It travels downwards together with
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The radial nerve divides into a deep branch, which becomes the
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in the human body that supplies the posterior portion of the
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Nurul Huda, Mohd Nor; San, Aye Aye; Fauziah, Othman (2014).
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Presence of finger drop, and partial wrist drop, since the
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The radial nerve originates from the posterior cord of the
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in the upper one third of the forearm, closely related to
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Sensory deficit: Numbness and tingling in radial half of
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The radial nerve originates as a terminal branch of the
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Palastanga, Nigel; Field, Derek; Soames, Roger (1994),
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Above the radial sulcus, the radial nerve gives off
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However, a study conducted in 2004 found that 248:Radial nerve of the right axilla, posterior view 1588:, San Diego: Academic Press, pp. 557–585, 1543:, San Diego: Academic Press, pp. 359–368, 1496:, San Diego: Academic Press, pp. 243–273, 957:Cross-section through the middle of upper arm. 192:and the associated joints and overlying skin. 1681: 184:of the arm, as well as all 12 muscles in the 689:, and loss of extension of hand and fingers. 1751: 1621: 1434: 288:(part of the axillary artery distal to the 1688: 1674: 993:Cutaneous nerves of right upper extremity. 463:without any supply from the radial nerve. 304:, between the lateral and medial heads of 202:The radial nerve and its branches provide 27: 1624:Stone's Plastic Surgery Facts and Figures 1484: 1414: 1537:"Chapter 37 - Peripheral Nerve Injuries" 801: 642: 524: 478: 353:posterior cutaneous nerve of the forearm 260:. It goes through the arm, first in the 243: 1308: 501:Inferior lateral cutaneous nerve of arm 2029: 1159:Superficial branch of the radial nerve 515:superficial branch of the radial nerve 373:superficial branch of the radial nerve 1669: 1575: 1573: 1144:Muscular branches of the radial nerve 1125:Muscles of upper limb. Cross section. 840:of hand, and dorsal aspect of radial 539:Muscular branches of the radial nerve 1530: 1528: 1526: 1194: 1192: 1190: 1188: 917: 913: 877: 507:Posterior cutaneous nerve of forearm 349:posterior cutaneous nerve of the arm 270:posterior compartment of the forearm 80:posterior compartment of the forearm 1403:International Journal of Morphology 1154:Dorsal antibrachial cutaneous nerve 1017:Nerves of the left upper extremity. 830:, tight jewellery, and watch bands. 362: 13: 1594:10.1016/b978-0-12-802653-3.00085-3 1570: 1549:10.1016/b978-0-12-804075-1.00037-7 1502:10.1016/b978-0-12-417044-5.00014-7 1217:10.1016/b978-0-444-52901-5.00042-3 1149:Posterior brachial cutaneous nerve 854:digits, excluding their nail beds. 760:digits, excluding their nail beds. 715:digits, excluding their nail beds. 186:posterior osteofascial compartment 14: 2048: 1946:superior lateral cutaneous of arm 1643: 1523: 1309:Krishna, Garg (2010). "8 - Arm". 1185: 1541:Complications in Neuroanesthesia 1371:. Wolters Kluwer. Archived from 1118: 1106: 1094: 1082: 1070: 1058: 1046: 1034: 1022: 1010: 998: 986: 974: 962: 950: 922: 881: 629:posterior compartment of the arm 495:Posterior cutaneous nerve of arm 262:posterior compartment of the arm 152:Anatomical terms of neuroanatomy 76:Posterior compartment of the arm 1615: 1490:"Chapter 14 – Mononeuropathies" 1416:10.4067/S0717-95022014000100005 1207:, Neurological Rehabilitation, 1164:Deep branch of the radial nerve 567:Deep branch of the radial nerve 396:deep branch of the radial nerve 318:anterior compartment of the arm 266:anterior compartment of the arm 206:to the dorsal arm muscles (the 1626:. Cambridge University Press. 1478: 1361: 1327: 1246: 1205:Handbook of Clinical Neurology 789:extensor carpi radialis longus 574:Extensor carpi radialis brevis 561:Extensor carpi radialis longus 402:by some authors)) pierces the 355:. The radial nerve also gives 342:extensor carpi radialis longus 1: 1697:Nerve supply of the human arm 1654:Duke University Health System 1179: 664:Common mechanisms of injury: 420:posterior interosseous artery 375:is widely separated from the 222:(which are innervated by the 1777:lateral cutaneous of forearm 818:Common mechanism of injury: 776:posterior interosseous nerve 725:Common mechanism of injury: 585:Posterior interosseous nerve 474: 446: 408:posterior interosseous nerve 400:posterior interosseous nerve 314:lateral intermuscular septum 239: 231:posterior interosseous nerve 66:Posterior interosseous nerve 7: 1844:medial cutaneous of forearm 1342:, Elsevier, pp. viii, 1130: 863:de Quervain's tenosynovitis 822:, (not to be confused with 466: 438:by supplying the wrist and 359:to supply the elbow joint. 328:and then into the forearm. 10: 2053: 1340:Anatomy and Human Movement 1134: 1005:Superficial palmar nerves. 873: 813:Within the distal forearm: 727:Mid-shaft humeral fracture 653:Injury to the radial nerve 424:common interosseous artery 2008: 1914: 1821: 1744: 1703: 1586:Nerves and Nerve Injuries 1456:10.1007/s00276-004-0253-z 647: 150: 138: 126: 114: 102: 90: 85: 71: 61: 51: 46: 26: 21: 2037:Nerves of the upper limb 1660:Atlas image: hand_plexus 685:of forearm, weakness of 617:Extensor pollicis longus 612:Extensor pollicis brevis 607:Abductor pollicis longus 520: 416:extensor pollicis longus 414:, it passes deep to the 412:extensor pollicis brevis 1971:inferior lateral of arm 1849:medial cutaneous of arm 1065:Radial nerve at newborn 933:medical manual of style 302:profunda brachii artery 268:, and continues in the 195:It originates from the 1995:posterior interosseous 1656:'s Orthopedics program 1174:Radial tunnel syndrome 1137:anatomical terminology 807: 602:Extensor carpi ulnaris 597:Extensor digiti minimi 535: 497:(originates in axilla) 484: 294:lower triangular space 275: 249: 182:triceps brachii muscle 1985:dorsal digital nerves 1888:proper palmar digital 1884:common palmar digital 1874:dorsal digital nerves 1812:proper palmar digital 1808:common palmar digital 1793:anterior interosseous 1211:, Elsevier: 499–514, 859:Wartenberg's syndrome 820:Wartenberg's syndrome 805: 643:Clinical significance 528: 488:Cutaneous innervation 482: 426:which is a branch of 312:where it pierces the 247: 1975:posterior of forearm 1622:Tor Wo Chiu (2011). 1271:10.1002/ca.980060108 981:The brachial artery. 795:muscles are working. 765:Just below the elbow 666:Saturday night palsy 436:extensor retinaculum 41:, and radial nerves. 1375:on 29 November 2017 1029:Deep palmar nerves. 833:Motor deficit: None 635:, which are mostly 509:(originates in arm) 503:(originates in arm) 264:, and later in the 216:sensory innervation 1135:This article uses 893:. You can help by 867:Finkelstein's test 808: 592:Extensor digitorum 536: 485: 440:intercarpal joints 422:(a deep branch of 357:articular branches 310:deltoid tuberosity 250: 2024: 2023: 2004: 2003: 1735:to the subclavius 1603:978-0-12-802653-3 1558:978-0-12-804075-1 1511:978-0-12-417044-5 1349:978-0-7506-0970-8 1320:978-81-239-1863-1 1169:Radial neuropathy 946: 945: 914:Additional images 911: 910: 824:Wartenberg's sign 430:), and ends as a 204:motor innervation 166: 165: 161: 2044: 1967:posterior of arm 1773:musculocutaneous 1761:lateral pectoral 1749: 1748: 1690: 1683: 1676: 1667: 1666: 1638: 1637: 1619: 1613: 1612: 1611: 1610: 1577: 1568: 1567: 1566: 1565: 1532: 1521: 1520: 1519: 1518: 1486:Ryan, Monique M. 1482: 1476: 1475: 1444:Surg Radiol Anat 1438: 1432: 1431: 1418: 1394: 1388: 1387: 1382: 1380: 1365: 1359: 1358: 1357: 1356: 1331: 1325: 1324: 1306: 1291: 1290: 1259:Clinical Anatomy 1250: 1244: 1243: 1242: 1241: 1196: 1122: 1110: 1098: 1086: 1074: 1062: 1050: 1038: 1026: 1014: 1002: 990: 978: 966: 954: 941: 926: 925: 918: 906: 903: 885: 878: 869:may be positive. 853: 852: 848: 845: 759: 758: 754: 751: 714: 713: 709: 706: 622:Extensor indicis 363:Forearm and hand 290:pectoralis minor 158:edit on Wikidata 155: 31: 19: 18: 2052: 2051: 2047: 2046: 2045: 2043: 2042: 2041: 2027: 2026: 2025: 2020: 2016:Brachial plexus 2000: 1910: 1835:ansa pectoralis 1831:medial pectoral 1817: 1765:ansa pectoralis 1745:Infraclavicular 1740: 1715:dorsal scapular 1704:Supraclavicular 1699: 1694: 1646: 1641: 1634: 1620: 1616: 1608: 1606: 1604: 1578: 1571: 1563: 1561: 1559: 1533: 1524: 1516: 1514: 1512: 1483: 1479: 1439: 1435: 1395: 1391: 1378: 1376: 1367: 1366: 1362: 1354: 1352: 1350: 1332: 1328: 1321: 1307: 1294: 1251: 1247: 1239: 1237: 1227: 1197: 1186: 1182: 1140: 1133: 1126: 1123: 1114: 1111: 1102: 1099: 1090: 1087: 1078: 1075: 1066: 1063: 1054: 1051: 1042: 1039: 1030: 1027: 1018: 1015: 1006: 1003: 994: 991: 982: 979: 970: 967: 958: 955: 942: 936: 927: 923: 916: 907: 901: 898: 891:needs expansion 876: 850: 846: 843: 841: 828:brachioradialis 793:brachioradialis 781:Motor deficit: 756: 752: 749: 747: 731:Motor deficit: 711: 707: 704: 702: 678:Motor deficit: 650: 645: 556:Brachioradialis 546:Triceps brachii 523: 477: 469: 449: 398:(also known as 385:brachioradialis 365: 338:brachioradialis 306:triceps brachii 286:axillary artery 282:brachial plexus 278: 258:brachial plexus 242: 208:triceps brachii 197:brachial plexus 162: 97:nervus radialis 42: 17: 12: 11: 5: 2050: 2040: 2039: 2022: 2021: 2019: 2018: 2012: 2010: 2006: 2005: 2002: 2001: 1999: 1998: 1988: 1978: 1960: 1950: 1949: 1938: 1937: 1932: 1920: 1918: 1916:posterior cord 1912: 1911: 1909: 1908: 1897: 1896: 1891: 1877: 1867: 1862: 1852: 1851: 1846: 1839: 1838: 1837: 1836: 1827: 1825: 1819: 1818: 1816: 1815: 1805: 1800: 1795: 1781: 1780: 1769: 1768: 1767: 1766: 1757: 1755: 1746: 1742: 1741: 1739: 1738: 1722: 1707: 1705: 1701: 1700: 1693: 1692: 1685: 1678: 1670: 1664: 1663: 1657: 1645: 1644:External links 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99: 94: 88: 87: 83: 82: 73: 69: 68: 63: 59: 58: 56:Posterior cord 53: 49: 48: 44: 43: 32: 24: 23: 15: 9: 6: 4: 3: 2: 2049: 2038: 2035: 2034: 2032: 2017: 2014: 2013: 2011: 2007: 1996: 1992: 1989: 1986: 1982: 1979: 1976: 1972: 1968: 1964: 1961: 1959: 1955: 1952: 1951: 1947: 1943: 1940: 1939: 1936: 1935:thoracodorsal 1933: 1930: 1926: 1923:subscapular ( 1922: 1921: 1919: 1917: 1913: 1906: 1902: 1899: 1898: 1895: 1892: 1889: 1885: 1881: 1878: 1875: 1871: 1868: 1866: 1863: 1861: 1857: 1854: 1853: 1850: 1847: 1845: 1841: 1840: 1834: 1833: 1832: 1829: 1828: 1826: 1824: 1820: 1813: 1809: 1806: 1804: 1801: 1799: 1796: 1794: 1790: 1786: 1783: 1782: 1778: 1774: 1771: 1770: 1764: 1763: 1762: 1759: 1758: 1756: 1754: 1750: 1747: 1743: 1736: 1732: 1731:suprascapular 1728: 1727: 1723: 1720: 1719:long thoracic 1716: 1712: 1709: 1708: 1706: 1702: 1698: 1691: 1686: 1684: 1679: 1677: 1672: 1671: 1668: 1661: 1658: 1655: 1651: 1648: 1647: 1635: 1633:9781139499781 1629: 1625: 1618: 1605: 1599: 1595: 1591: 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773: 769: 768: 767: 766: 745: 740: 736: 733: 732: 730: 728: 724: 723: 722: 721: 700: 695: 691: 688: 684: 680: 679: 677: 675: 671: 667: 663: 662: 661: 660: 659:At the axilla 656: 654: 640: 638: 634: 630: 623: 620: 618: 615: 613: 610: 608: 605: 603: 600: 598: 595: 593: 590: 589: 588: 586: 580: 577: 575: 572: 571: 570: 568: 562: 559: 557: 554: 552: 549: 547: 544: 543: 542: 540: 533: 527: 518: 516: 508: 505: 502: 499: 496: 493: 492: 491: 489: 481: 472: 464: 462: 458: 454: 441: 437: 433: 429: 425: 421: 417: 413: 409: 405: 401: 397: 393: 390: 386: 382: 381:radial artery 378: 377:radial artery 374: 370: 369: 368: 360: 358: 354: 350: 345: 343: 339: 335: 329: 327: 326:cubital fossa 323: 319: 316:to reach the 315: 311: 307: 303: 299: 298:radial sulcus 296:to reach the 295: 291: 287: 283: 273: 271: 267: 263: 259: 255: 246: 237: 234: 232: 227: 225: 221: 217: 213: 209: 205: 200: 198: 193: 191: 187: 183: 179: 175: 171: 159: 153: 149: 146: 143: 141: 137: 134: 131: 129: 125: 122: 119: 117: 113: 110: 107: 105: 101: 98: 95: 93: 89: 84: 81: 77: 74: 70: 67: 64: 60: 57: 54: 50: 45: 40: 36: 35:suprascapular 30: 25: 20: 1962: 1953: 1789:lateral root 1753:lateral cord 1724: 1710: 1650:Radial nerve 1623: 1617: 1607:, retrieved 1585: 1562:, retrieved 1540: 1515:, retrieved 1493: 1480: 1447: 1443: 1436: 1428: 1409:(1): 29–31. 1406: 1402: 1392: 1384: 1377:. Retrieved 1373:the original 1363: 1353:, retrieved 1339: 1329: 1310: 1265:(1): 48–53. 1262: 1258: 1248: 1238:, retrieved 1208: 1204: 1113:Radial nerve 1101:Radial nerve 1089:Radial nerve 1077:Radial nerve 899: 895:adding to it 890: 812: 811: 806:Radial nerve 772:tennis elbow 764: 763: 737:Presence of 719: 718: 692:Presence of 670:crutch palsy 658: 657: 651: 626: 583: 565: 537: 512: 486: 470: 450: 428:ulnar artery 389:median nerve 366: 346: 330: 279: 251: 235: 228: 201: 194: 170:radial nerve 169: 167: 121:A14.2.03.049 96: 22:Radial nerve 1981:superficial 1907:: see above 1905:medial root 1880:superficial 1842:cutaneous: 1823:medial cord 1726:upper trunk 224:ulnar nerve 220:ring finger 86:Identifiers 1609:2020-10-25 1564:2020-10-25 1517:2020-10-25 1379:26 January 1355:2024-08-23 1240:2020-10-25 1180:References 739:wrist drop 720:At mid-arm 694:wrist drop 687:supination 334:brachialis 178:upper limb 72:Innervates 1963:cutaneous 1803:recurrent 1425:0717-9502 1336:"Preface" 1279:0897-3806 683:extension 637:extensors 579:Supinator 532:supinator 475:Cutaneous 447:Variation 404:supinator 240:Structure 2031:Category 1958:muscular 1942:axillary 1860:muscular 1472:10052988 1464:15365769 1287:72093080 1235:23312667 1131:See also 778:syndrome 681:Loss of 551:Anconeus 467:Function 461:cadavers 212:anconeus 210:and the 39:axillary 1652:at the 874:History 849:⁄ 755:⁄ 710:⁄ 674:lesions 633:forearm 453:triceps 322:humerus 256:of the 190:forearm 188:of the 109:D011826 47:Details 1954:radial 1901:median 1870:dorsal 1865:palmar 1798:palmar 1785:median 1630:  1600:  1555:  1508:  1470:  1462:  1423:  1346:  1317:  1285:  1277:  1233:  1223:  838:dorsum 648:Injury 434:below 2009:Other 1929:lower 1925:upper 1856:ulnar 1468:S2CID 1283:S2CID 521:Motor 174:nerve 172:is a 156:[ 145:37069 92:Latin 1991:deep 1894:deep 1711:root 1628:ISBN 1598:ISBN 1553:ISBN 1506:ISBN 1460:PMID 1421:ISSN 1381:2018 1344:ISBN 1315:ISBN 1275:ISSN 1231:PMID 1221:ISBN 791:and 631:and 513:The 394:The 371:The 340:and 168:The 133:6431 116:TA98 104:MeSH 52:From 33:The 1590:doi 1545:doi 1498:doi 1452:doi 1411:doi 1267:doi 1213:doi 1209:110 897:. 857:In 276:Arm 226:). 140:FMA 128:TA2 2033:: 1973:, 1969:, 1956:: 1927:, 1886:, 1858:: 1791:: 1733:, 1717:, 1596:, 1584:, 1572:^ 1551:, 1539:, 1525:^ 1504:, 1492:, 1466:. 1458:. 1448:26 1446:. 1427:. 1419:. 1407:32 1405:. 1401:. 1383:. 1338:, 1295:^ 1281:. 1273:. 1261:. 1257:. 1229:, 1219:, 1203:, 1187:^ 865:. 672:, 668:, 639:. 569:: 541:: 344:. 336:, 272:. 78:, 62:To 37:, 1997:) 1993:( 1987:) 1983:( 1977:) 1965:( 1948:) 1944:( 1931:) 1903:/ 1890:) 1882:( 1876:) 1872:( 1814:) 1810:( 1787:/ 1779:) 1775:( 1737:) 1729:( 1721:) 1713:( 1689:e 1682:t 1675:v 1636:. 1592:: 1547:: 1500:: 1474:. 1454:: 1413:: 1323:. 1289:. 1269:: 1263:6 1215:: 1139:. 935:. 904:) 900:( 851:2 847:1 844:+ 842:3 757:2 753:1 750:+ 748:3 712:2 708:1 705:+ 703:3 534:. 442:. 391:. 160:]

Index


suprascapular
axillary
Posterior cord
Posterior interosseous nerve
Posterior compartment of the arm
posterior compartment of the forearm
Latin
MeSH
D011826
TA98
A14.2.03.049
TA2
6431
FMA
37069
Anatomical terms of neuroanatomy
edit on Wikidata
nerve
upper limb
triceps brachii muscle
posterior osteofascial compartment
forearm
brachial plexus
motor innervation
triceps brachii
anconeus
sensory innervation
ring finger
ulnar nerve

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