Knowledge

Semitendinosus muscle

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The semitendinosus is more superficial than the semimembranosus (with which it shares very close insertion and attachment points). However, because the semimembranosus is wider and flatter than the semitendinosus, it is still possible to palpate the semimembranosus directly.
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that are located at the back of the thigh. The other two are the semimembranosus muscle and the biceps femoris. The semitendinosus muscle lies between the other two. These three muscles work collectively to flex the knee and extend the hip.
480:. Sufficient graft size could typically be obtained using either a semitendinosus/gracilis tendon double-bundle technique, or a quadruple-bundle technique using a single tendon. 424:. The sciatic nerve branches into the deep fibular nerve and the tibial nerve. The tibial nerve innervates the semitendinosus as well as the other hamstring muscles, the 671:
Agur, Anne M. R., Arthur F. Dalley, and J. C. Boileau Grant. Grant's Atlas of Anatomy. Philadelphia: Wolters Kluwer/Lippincott Williams & Wilkins, 2013. Print.
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the tibia on the femur when the knee is flexed and medially rotate the femur when the hip is extended. It counteracts forward bending at the hips as well.
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Saladin, Kenneth S. Anatomy & Physiology: the unity of form and function. 5th ed. New York: McGraw-Hill, 2010. Print.
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Suydam, Stephen M.; Cortes, Daniel H.; Axe, Michael J.; Snyder-Mackler, Lynn; Buchanan, Thomas S. (2017-06-27).
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and ends a little below the middle of the thigh in a long round tendon which lies along the medial side of the
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which connects the adjacent surfaces of the two muscles to the extent of about 7.5 cm. from their origin.
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exiting through the spinal levels L5-S2. From the sacral plexus, the lower motor neuron travels down the
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Horizontal section of left thigh, viewed from above. Semitendinosus visible at bottom right.
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Knowledge articles incorporating text from the 20th edition of Gray's Anatomy (1918)
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Kern, Michael; Love, David; Cotter, Eric J.; Postma, William (2016-11-21).
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At its insertion it gives off from its lower border a prolongation to the
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It arises from the lower and medial impression on the upper part of the
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of insertion, is situated at the posterior and medial aspect of the
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The semitendinosus, remarkable for the great length of its
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One of the hamstring muscles; posterior part of the thigh
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The popliteal, posterior tibial, and peroneal arteries.
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External surface. 1668: 627: 586: 581:Muscles of thigh. Cross section. 574: 562: 550: 538: 526: 514: 502: 490: 240: 569:Muscles of thigh. Lateral view. 1716:Posterior compartment of thigh 731: 674: 665: 407: 1: 622: 521:Back of left lower extremity. 1408:Fibularis (peroneus) muscles 1288:Fibularis (peroneus) tertius 357:; it then curves around the 318: 7: 1582:Flexor digiti minimi brevis 641:of the 20th edition of 598: 435: 10: 1742: 756:10.1016/j.eats.2016.08.001 602: 367:medial collateral ligament 218:Anatomical terms of muscle 1721:Muscles of the lower limb 1609: 1520: 1512:Extensor digitorum brevis 1499: 1490: 1450: 1437: 1428: 1398: 1352: 1305: 1296: 1283:Extensor digitorum longus 1263: 1249: 1200: 1160: 1151: 1096: 1061: 1011: 997: 945: 910: 901: 867: 448:The muscle also helps to 342:; it also arises from an 336:tuberosity of the ischium 216: 204: 192: 180: 168: 163: 151: 127: 110: 94: 77: 62: 57: 45: 38:posterior femoral regions 26: 21: 1507:Extensor hallucis brevis 1278:Extensor hallucis longus 817:'s Department of Anatomy 815:Dartmouth Medical School 799:Anatomy photo:14:st-0410 699:10.1177/2325967117712944 396:, and below that of the 300:) is a long superficial 1538:Flexor digitorum brevis 1374:Flexor digitorum longus 175:musculus semitendinosus 101:Inferior gluteal artery 1572:Flexor hallucis brevis 1543:Abductor digiti minimi 1369:Flexor hallucis longus 744:Arthroscopy Techniques 693:(6): 232596711771294. 605:anatomical terminology 390:deep fascia of the leg 34:Muscles of the gluteal 949:Lateral rotator group 811:knee/surface/surface4 557:Semitendinosus muscle 545:Semitendinosus muscle 533:Semitendinosus muscle 456:Clinical significance 22:Semitendinosus muscle 1706:Knee medial rotators 937:Tensor fasciae latae 365:and passes over the 105:perforating arteries 1454:Intermuscular septa 1599:Plantar interossei 1379:Tibialis posterior 1111:External obturator 1041:Vastus intermedius 980:External obturator 975:Internal obturator 857:Muscles of the hip 750:(6): e1317–e1320. 603:This article uses 466:quadriceps femoris 414:lower motor neuron 1656: 1655: 1652: 1651: 1637:Superior extensor 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1204:Fascia lata 886:Psoas minor 882:Psoas major 460:Along with 408:Innervation 344:aponeurosis 306:back of the 164:Identifiers 1685:Categories 1474:Transverse 1026:Quadriceps 985:Piriformis 623:References 474:autografts 371:knee-joint 153:Antagonist 1726:Hamstring 1589:4th layer 1567:3rd layer 1550:2nd layer 1528:1st layer 1469:Posterior 1386:Popliteus 1344:Plantaris 1298:Posterior 1106:Pectineus 1071:Hamstring 1063:Posterior 1021:Sartorius 877:Iliopsoas 861:human leg 821:PTCentral 764:2212-6287 707:2325-9671 394:sartorius 319:Structure 146:hip joint 142:extension 79:Insertion 1627:Peroneal 1464:Anterior 1265:Anterior 1121:Adductor 1116:Gracilis 1013:Anterior 903:Buttocks 782:28149730 725:28680900 639:page 479 599:See also 470:gracilis 436:Function 398:gracilis 351:fusiform 1675:Anatomy 1521:Plantar 1400:Lateral 1141:Minimus 930:Minimus 920:Maximus 891:Iliacus 813:at the 773:5263219 716:5490845 369:of the 361:of the 304:in the 144:of the 134:Flexion 129:Actions 117:Sciatic 72:ischium 58:Details 1661:Portal 1642:Flexor 1611:Fascia 1500:Dorsal 1430:Fascia 1418:Brevis 1413:Longus 1327:Soleus 1153:Fascia 1136:Magnus 1131:Brevis 1126:Longus 1098:Medial 925:Medius 780:  770:  762:  723:  713:  705:  647:(1918) 325:tendon 302:muscle 121:tibial 96:Artery 64:Origin 999:Thigh 637:from 375:bursa 363:tibia 329:thigh 309:thigh 222:[ 211:22357 170:Latin 112:Nerve 88:tibia 1492:Foot 1355:Deep 859:and 778:PMID 760:ISSN 721:PMID 703:ISSN 464:and 428:and 234:The 199:2641 182:TA98 138:knee 36:and 1251:Leg 768:PMC 752:doi 711:PMC 695:doi 206:FMA 194:TA2 136:of 1687:: 776:. 766:. 758:. 746:. 742:. 719:. 709:. 701:. 689:. 685:. 655:^ 432:. 412:A 331:. 315:. 284:oʊ 140:, 103:, 1663:: 1253:/ 1001:/ 951:: 884:/ 849:e 842:t 835:v 784:. 754:: 748:5 727:. 697:: 691:5 607:. 296:/ 293:s 290:ə 287:s 281:n 278:ˈ 275:ɪ 272:d 269:n 266:ɛ 263:t 260:ˌ 257:i 254:m 251:ɛ 248:s 245:ˌ 242:/ 238:( 226:] 119:( 90:) 86:(

Index


Muscles of the gluteal
posterior femoral regions

Origin
Lower quadrangular part of tuberosity of the
ischium
Insertion
Pes anserinus
tibia
Artery
Inferior gluteal artery
perforating arteries
Nerve
Sciatic
tibial
Actions
Flexion
knee
extension
hip joint
Antagonist
Quadriceps muscle
Latin
TA98
A04.7.02.035
TA2
2641
FMA
22357

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