Knowledge

Semimembranosus muscle

Source 📝

1675: 591: 567: 639: 615: 555: 627: 543: 579: 341: 603: 680: 40: 376:, which covers the upper part of the anterior surface of the muscle; from this aponeurosis, muscular fibers arise, and converge to another aponeurosis which covers the lower part of the posterior surface of the muscle and contracts into the tendon of insertion. 1695: 415:
The tendon of insertion gives off certain fibrous expansions: one, of considerable size, passes upward and laterally to be inserted into the posterior lateral condyle of the femur, forming part of the
352:. It is wider, flatter, and deeper than the semitendinosus (with which it shares very close insertion and attachment points). The muscle overlaps the upper part of the popliteal vessels. 211: 444:. The sciatic nerve consists of the anterior divisions of ventral nerve roots from L4 through S3. These nerve roots are part of the larger nerve network–the 852: 825: 805: 791: 187: 1586: 1725: 845: 1641: 1636: 1547: 1473: 1225: 749: 67: 55: 1468: 1230: 348:
The semimembranosus muscle, so called from its membranous tendon of origin, is situated at the back and medial side of the
566: 772:
Saladin, Kenneth S. Anatomy & Physiology: the unity of form and function. 5th ed. New York: McGraw-Hill, 2010. Print.
1730: 838: 1516: 1287: 1511: 1282: 88: 17: 1542: 1378: 1067: 808:
at Human Anatomy Online, SUNY Downstate Medical Center - "Muscles that form the superficial boundaries of the
1715: 1598: 1576: 1373: 1017: 1008: 554: 206: 1705: 1302: 795: 312:. It is so named because it has a flat tendon of origin. It lies posteromedially in the thigh, deep to the 1269: 1260: 1125: 1102: 941: 729: 689: 1665: 1646: 1603: 1404: 728:
Sandalcidi, Dawn; Dommerholt, Jan (2013-01-01), Dommerholt, Jan; Fernández-de-las-Peñas, César (eds.),
638: 590: 489: 481: 429: 417: 325: 317: 218: 125: 1383: 1115: 1045: 1030: 984: 979: 614: 154: 60: 626: 542: 1581: 1559: 1537: 1277: 1057: 974: 964: 819: 785: 401: 1336: 1145: 1040: 578: 388: 130: 84: 72: 1720: 1700: 1564: 1478: 1140: 1135: 1130: 815: 655: 469: 465: 194: 182: 515:
when the hip is extended. The muscle can also aid in counteracting the forward bending at the
1710: 1085: 1080: 1035: 953: 667: 662: 369: 365: 360:
The semimembranosus muscle originates by a thick tendon from the superolateral aspect of the
313: 117: 113: 109: 44:
Muscles of the gluteal and posterior femoral regions (semimembranosus labeled at bottom left)
1326: 1321: 158: 8: 1631: 1446: 602: 149: 1674: 464:
The semimembranosus muscle may be reduced or absent, or double, arising mainly from the
1735: 1458: 890: 886: 861: 741: 361: 794:
at Human Anatomy Online, SUNY Downstate Medical Center - "Muscles (hamstrings) of the
1412: 1292: 1235: 989: 745: 694: 500: 1696:
Knowledge articles incorporating text from the 20th edition of Gray's Anatomy (1918)
1422: 1417: 1390: 1348: 1220: 1110: 1025: 830: 737: 425: 408: 242: 27:
One of the three hamstring muscles, the most medial: posterior compartment of thigh
1341: 1196: 1191: 1120: 1050: 969: 934: 924: 919: 809: 1679: 1623: 1186: 1169: 929: 895: 453: 449: 448:. The tibial part of the sciatic nerve is also responsible for innervation of 1689: 1368: 1331: 1174: 685: 445: 441: 199: 104: 1181: 873: 528: 100: 1208: 373: 39: 224: 1255: 1075: 881: 865: 305: 907: 138: 424:; a second is continued downward to the fascia which covers the 340: 1615: 1434: 1157: 79: 1003: 799: 730:"10 - Deep dry needling of the hip, pelvis and thigh muscles" 512: 508: 504: 392: 349: 309: 170: 95: 440:
The semimembranosus is innervated by the tibial part of the
344:
Cross-section of thigh semimembranosus labelled bottom right
1496: 493: 421: 329: 293: 287: 278: 266: 257: 251: 142: 516: 485: 321: 134: 572:
The popliteal, posterior tibial, and peroneal arteries.
1663: 296: 290: 284: 260: 248: 245: 860: 727: 275: 272: 736:, Oxford: Churchill Livingstone, pp. 133–150, 281: 269: 263: 254: 511:when the knee is flexed. It medially rotates the 1687: 846: 768: 766: 384:The semimembranosus muscle inserts on the: 853: 839: 763: 560:Bones of the right leg. Posterior surface. 38: 522: 432:of the joint and the fascia of the leg. 339: 372:. The tendon of origin expands into an 14: 1688: 684:This article incorporates text in the 1226:Lateral intermuscular septum of thigh 834: 1231:Medial intermuscular septum of thigh 788:at the SUNY Downstate Medical Center 723: 721: 719: 717: 715: 713: 711: 709: 707: 534: 364:. It arises above and medial to the 24: 742:10.1016/b978-0-7020-4601-8.00010-4 468:and giving a slip to the femur or 304:) is the most medial of the three 25: 1747: 779: 704: 644:Muscles of thigh. Anterior views. 548:Right hip bone. External surface. 527:The semitendinosus muscle may be 1673: 678: 637: 632:Muscles of thigh. Cross section. 625: 613: 601: 589: 577: 565: 553: 541: 241: 620:Muscles of thigh. Lateral view. 435: 1726:Posterior compartment of thigh 428:; while a few fibers join the 13: 1: 673: 584:Back of left lower extremity. 1413:Fibularis (peroneus) muscles 1293:Fibularis (peroneus) tertius 459: 379: 335: 7: 1587:Flexor digiti minimi brevis 692:of the 20th edition of 649: 480:The semimembranosus muscle 475: 398:medial margin of the tibia. 10: 1752: 734:Trigger Point Dry Needling 653: 430:medial collateral ligament 418:oblique popliteal ligament 219:Anatomical terms of muscle 1731:Muscles of the lower limb 1614: 1525: 1517:Extensor digitorum brevis 1504: 1495: 1455: 1442: 1433: 1403: 1357: 1310: 1301: 1288:Extensor digitorum longus 1268: 1254: 1205: 1165: 1156: 1101: 1066: 1016: 1002: 950: 915: 906: 872: 355: 217: 205: 193: 181: 169: 164: 148: 124: 94: 78: 66: 54: 49: 37: 32: 1512:Extensor hallucis brevis 1283:Extensor hallucis longus 822:'s Department of Anatomy 820:Dartmouth Medical School 806:Anatomy figure: 14:02-06 792:Anatomy figure: 14:01-07 786:Anatomy photo:14:st-0408 507:medially rotates on the 402:lateral condyle of femur 176:musculus semimembranosus 1543:Flexor digitorum brevis 1379:Flexor digitorum longus 73:Medial condyle of tibia 1577:Flexor hallucis brevis 1548:Abductor digiti minimi 1374:Flexor hallucis longus 656:anatomical terminology 608:Semimembranosus muscle 596:Semimembranosus muscle 466:sacrotuberous ligament 345: 237:semimembranosus muscle 33:Semimembranosus muscle 954:Lateral rotator group 816:knee/surface/surface4 796:posterior compartment 523:Clinical significance 452:and the long head of 370:semitendinosus muscle 366:biceps femoris muscle 343: 314:semitendinosus muscle 1716:Knee medial rotators 942:Tensor fasciae latae 159:tensor fasciae latae 1706:Hip medial rotators 1459:Intermuscular septa 1604:Plantar interossei 1384:Tibialis posterior 1116:External obturator 1046:Vastus intermedius 985:External obturator 980:Internal obturator 862:Muscles of the hip 654:This article uses 484:(straightens) the 362:ischial tuberosity 346: 61:Ischial tuberosity 1661: 1660: 1657: 1656: 1642:Superior extensor 1637:Inferior extensor 1599:Dorsal interossei 1582:Adductor hallucis 1560:Quadratus plantae 1538:Abductor hallucis 1491: 1490: 1487: 1486: 1399: 1398: 1278:Tibialis anterior 1250: 1249: 1246: 1245: 1236:Cribriform fascia 1058:Articularis genus 998: 997: 975:Superior gemellus 970:Inferior gemellus 965:Quadratus femoris 751:978-0-7020-4601-8 535:Additional images 499:It also helps to 233: 232: 228: 155:Quadriceps muscle 16:(Redirected from 1743: 1678: 1677: 1669: 1565:Lumbrical muscle 1502: 1501: 1462: 1440: 1439: 1362: 1337:Accessory soleus 1315: 1308: 1307: 1266: 1265: 1221:Iliotibial tract 1212: 1163: 1162: 1041:Vastus lateralis 1014: 1013: 958: 913: 912: 855: 848: 841: 832: 831: 773: 770: 761: 760: 759: 758: 725: 682: 681: 641: 629: 617: 605: 593: 581: 569: 557: 545: 426:popliteus muscle 409:popliteus muscle 303: 302: 299: 298: 295: 292: 289: 286: 283: 280: 277: 274: 271: 268: 265: 262: 259: 256: 253: 250: 247: 225:edit on Wikidata 222: 89:gluteal arteries 85:Profunda femoris 42: 30: 29: 21: 1751: 1750: 1746: 1745: 1744: 1742: 1741: 1740: 1686: 1685: 1684: 1672: 1664: 1662: 1653: 1610: 1521: 1483: 1456: 1451: 1429: 1395: 1358: 1353: 1342:Achilles tendon 1311: 1297: 1259: 1242: 1206: 1201: 1197:Muscular lacuna 1192:Adductor hiatus 1152: 1097: 1091:Semimembranosus 1062: 1051:Vastus medialis 1007: 994: 951: 946: 920:Gluteal muscles 902: 868: 859: 810:popliteal fossa 782: 777: 776: 771: 764: 756: 754: 752: 726: 705: 679: 676: 659: 652: 645: 642: 633: 630: 621: 618: 609: 606: 597: 594: 585: 582: 573: 570: 561: 558: 549: 546: 537: 525: 501:medially rotate 478: 470:adductor magnus 462: 438: 382: 358: 338: 308:muscles in the 244: 240: 229: 107: 45: 28: 23: 22: 18:Semimembranosus 15: 12: 11: 5: 1749: 1739: 1738: 1733: 1728: 1723: 1718: 1713: 1708: 1703: 1698: 1683: 1682: 1659: 1658: 1655: 1654: 1652: 1651: 1650: 1649: 1644: 1639: 1634: 1626: 1624:Plantar fascia 1620: 1618: 1612: 1611: 1609: 1608: 1607: 1606: 1601: 1591: 1590: 1589: 1584: 1579: 1569: 1568: 1567: 1562: 1552: 1551: 1550: 1545: 1540: 1529: 1527: 1523: 1522: 1520: 1519: 1514: 1508: 1506: 1499: 1493: 1492: 1489: 1488: 1485: 1484: 1482: 1481: 1476: 1471: 1465: 1463: 1453: 1452: 1450: 1449: 1443: 1437: 1431: 1430: 1428: 1427: 1426: 1425: 1420: 1409: 1407: 1401: 1400: 1397: 1396: 1394: 1393: 1388: 1387: 1386: 1381: 1376: 1365: 1363: 1355: 1354: 1352: 1351: 1346: 1345: 1344: 1339: 1334: 1329: 1318: 1316: 1305: 1299: 1298: 1296: 1295: 1290: 1285: 1280: 1274: 1272: 1263: 1252: 1251: 1248: 1247: 1244: 1243: 1241: 1240: 1239: 1238: 1233: 1228: 1223: 1215: 1213: 1203: 1202: 1200: 1199: 1194: 1189: 1187:Adductor canal 1184: 1179: 1178: 1177: 1170:Femoral sheath 1166: 1160: 1154: 1153: 1151: 1150: 1149: 1148: 1143: 1138: 1133: 1123: 1118: 1113: 1107: 1105: 1099: 1098: 1096: 1095: 1094: 1093: 1088: 1086:Semitendinosus 1083: 1081:Biceps femoris 1072: 1070: 1064: 1063: 1061: 1060: 1055: 1054: 1053: 1048: 1043: 1038: 1036:Rectus femoris 1028: 1022: 1020: 1011: 1000: 999: 996: 995: 993: 992: 987: 982: 977: 972: 967: 961: 959: 948: 947: 945: 944: 939: 938: 937: 932: 927: 916: 910: 904: 903: 901: 900: 899: 898: 893: 878: 876: 870: 869: 858: 857: 850: 843: 835: 829: 828: 823: 813: 803: 789: 781: 780:External links 778: 775: 774: 762: 750: 702: 701: 695:Gray's Anatomy 675: 672: 671: 670: 668:Biceps femoris 665: 663:Semitendinosus 651: 648: 647: 646: 643: 636: 634: 631: 624: 622: 619: 612: 610: 607: 600: 598: 595: 588: 586: 583: 576: 574: 571: 564: 562: 559: 552: 550: 547: 540: 536: 533: 524: 521: 503:the knee: the 477: 474: 461: 458: 454:biceps femoris 450:semitendinosus 437: 434: 413: 412: 407:fascia of the 405: 399: 396: 389:medial condyle 381: 378: 357: 354: 337: 334: 231: 230: 221: 215: 214: 209: 203: 202: 197: 191: 190: 185: 179: 178: 173: 167: 166: 162: 161: 152: 146: 145: 128: 122: 121: 98: 92: 91: 82: 76: 75: 70: 64: 63: 58: 52: 51: 47: 46: 43: 35: 34: 26: 9: 6: 4: 3: 2: 1748: 1737: 1734: 1732: 1729: 1727: 1724: 1722: 1721:Thigh muscles 1719: 1717: 1714: 1712: 1709: 1707: 1704: 1702: 1701:Hip extensors 1699: 1697: 1694: 1693: 1691: 1681: 1676: 1671: 1670: 1667: 1648: 1645: 1643: 1640: 1638: 1635: 1633: 1630: 1629: 1627: 1625: 1622: 1621: 1619: 1617: 1613: 1605: 1602: 1600: 1597: 1596: 1595: 1592: 1588: 1585: 1583: 1580: 1578: 1575: 1574: 1573: 1570: 1566: 1563: 1561: 1558: 1557: 1556: 1553: 1549: 1546: 1544: 1541: 1539: 1536: 1535: 1534: 1531: 1530: 1528: 1524: 1518: 1515: 1513: 1510: 1509: 1507: 1503: 1500: 1498: 1494: 1480: 1477: 1475: 1472: 1470: 1467: 1466: 1464: 1461: 1460: 1454: 1448: 1447:Pes anserinus 1445: 1444: 1441: 1438: 1436: 1432: 1424: 1421: 1419: 1416: 1415: 1414: 1411: 1410: 1408: 1406: 1402: 1392: 1389: 1385: 1382: 1380: 1377: 1375: 1372: 1371: 1370: 1369:tarsal tunnel 1367: 1366: 1364: 1361: 1356: 1350: 1347: 1343: 1340: 1338: 1335: 1333: 1330: 1328: 1327:Gastrocnemius 1325: 1324: 1323: 1322:Triceps surae 1320: 1319: 1317: 1314: 1309: 1306: 1304: 1300: 1294: 1291: 1289: 1286: 1284: 1281: 1279: 1276: 1275: 1273: 1271: 1267: 1264: 1262: 1257: 1253: 1237: 1234: 1232: 1229: 1227: 1224: 1222: 1219: 1218: 1217: 1216: 1214: 1211: 1210: 1204: 1198: 1195: 1193: 1190: 1188: 1185: 1183: 1180: 1176: 1175:Femoral canal 1173: 1172: 1171: 1168: 1167: 1164: 1161: 1159: 1155: 1147: 1144: 1142: 1139: 1137: 1134: 1132: 1129: 1128: 1127: 1124: 1122: 1119: 1117: 1114: 1112: 1109: 1108: 1106: 1104: 1100: 1092: 1089: 1087: 1084: 1082: 1079: 1078: 1077: 1074: 1073: 1071: 1069: 1065: 1059: 1056: 1052: 1049: 1047: 1044: 1042: 1039: 1037: 1034: 1033: 1032: 1029: 1027: 1024: 1023: 1021: 1019: 1015: 1012: 1010: 1005: 1001: 991: 988: 986: 983: 981: 978: 976: 973: 971: 968: 966: 963: 962: 960: 957: 955: 949: 943: 940: 936: 933: 931: 928: 926: 923: 922: 921: 918: 917: 914: 911: 909: 905: 897: 894: 892: 888: 885: 884: 883: 880: 879: 877: 875: 871: 867: 863: 856: 851: 849: 844: 842: 837: 836: 833: 827: 824: 821: 817: 814: 811: 807: 804: 801: 797: 793: 790: 787: 784: 783: 769: 767: 753: 747: 743: 739: 735: 731: 724: 722: 720: 718: 716: 714: 712: 710: 708: 703: 700: 699: 696: 693: 691: 687: 686:public domain 669: 666: 664: 661: 660: 657: 640: 635: 628: 623: 616: 611: 604: 599: 592: 587: 580: 575: 568: 563: 556: 551: 544: 539: 538: 532: 530: 520: 518: 514: 510: 506: 502: 497: 495: 491: 487: 483: 473: 471: 467: 457: 455: 451: 447: 446:sacral plexus 443: 442:sciatic nerve 433: 431: 427: 423: 419: 410: 406: 403: 400: 397: 394: 390: 387: 386: 385: 377: 375: 371: 367: 363: 353: 351: 342: 333: 331: 327: 323: 319: 315: 311: 307: 301: 238: 226: 220: 216: 213: 210: 208: 204: 201: 198: 196: 192: 189: 186: 184: 180: 177: 174: 172: 168: 163: 160: 156: 153: 151: 147: 144: 140: 136: 132: 129: 127: 123: 119: 115: 111: 106: 105:sciatic nerve 102: 99: 97: 93: 90: 86: 83: 81: 77: 74: 71: 69: 65: 62: 59: 57: 53: 48: 41: 36: 31: 19: 1711:Knee flexors 1593: 1571: 1554: 1532: 1457: 1359: 1312: 1261:compartments 1207: 1182:Femoral ring 1090: 1009:compartments 952: 874:Iliac region 755:, retrieved 733: 697: 683: 677: 526: 498: 492:(bends) the 479: 463: 439: 436:Nerve supply 414: 383: 359: 347: 236: 234: 188:A04.7.02.036 175: 1628:retinacula 1313:Superficial 1209:Fascia lata 891:Psoas minor 887:Psoas major 529:dry needled 374:aponeurosis 165:Identifiers 101:Tibial part 1690:Categories 1479:Transverse 1031:Quadriceps 990:Piriformis 757:2021-03-01 674:References 494:knee joint 488:. It also 422:knee-joint 330:knee joint 150:Antagonist 1736:Hamstring 1594:4th layer 1572:3rd layer 1555:2nd layer 1533:1st layer 1474:Posterior 1391:Popliteus 1349:Plantaris 1303:Posterior 1111:Pectineus 1076:Hamstring 1068:Posterior 1026:Sartorius 882:Iliopsoas 866:human leg 826:PTCentral 517:hip joint 486:hip joint 460:Variation 380:Insertion 336:Structure 322:hip joint 306:hamstring 131:Extension 68:Insertion 1632:Peroneal 1469:Anterior 1270:Anterior 1126:Adductor 1121:Gracilis 1018:Anterior 908:Buttocks 690:page 479 650:See also 476:Function 1680:Anatomy 1526:Plantar 1405:Lateral 1146:Minimus 935:Minimus 925:Maximus 896:Iliacus 818:at the 798:of the 482:extends 420:of the 391:of the 318:extends 139:flexion 126:Actions 50:Details 1666:Portal 1647:Flexor 1616:Fascia 1505:Dorsal 1435:Fascia 1423:Brevis 1418:Longus 1332:Soleus 1158:Fascia 1141:Magnus 1136:Brevis 1131:Longus 1103:Medial 930:Medius 748:  698:(1918) 490:flexes 356:Origin 326:flexes 80:Artery 56:Origin 1004:Thigh 800:thigh 688:from 513:femur 509:femur 505:tibia 393:tibia 350:thigh 316:. It 310:thigh 223:[ 212:22438 171:Latin 96:Nerve 1497:Foot 1360:Deep 864:and 746:ISBN 368:and 328:the 324:and 320:the 235:The 200:2642 183:TA98 157:and 143:knee 137:and 116:and 87:and 1256:Leg 738:doi 207:FMA 195:TA2 141:of 135:hip 133:of 103:of 1692:: 812:." 802:." 765:^ 744:, 732:, 706:^ 531:. 519:. 496:. 472:. 456:. 332:. 288:oʊ 118:S2 114:S1 112:, 110:L5 1668:: 1258:/ 1006:/ 956:: 889:/ 854:e 847:t 840:v 740:: 658:. 411:. 404:. 395:. 300:/ 297:s 294:ə 291:s 285:n 282:ˈ 279:ə 276:r 273:b 270:m 267:ɛ 264:m 261:ˌ 258:i 255:m 252:ɛ 249:s 246:ˌ 243:/ 239:( 227:] 120:) 108:( 20:)

Index

Semimembranosus

Origin
Ischial tuberosity
Insertion
Medial condyle of tibia
Artery
Profunda femoris
gluteal arteries
Nerve
Tibial part
sciatic nerve
L5
S1
S2
Actions
Extension
hip
flexion
knee
Antagonist
Quadriceps muscle
tensor fasciae latae
Latin
TA98
A04.7.02.036
TA2
2642
FMA
22438

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.