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Biceps

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759: 63: 521: 533: 693:, and supinator function to flex the forearm, with minimal contribution from the biceps brachii. Regardless of forearm position, (supinated, pronated, or neutral) the force exerted by the biceps brachii remains the same; however, the brachioradialis has a much greater change in exertion depending on position than the biceps during concentric contractions. That is, the biceps can only exert so much force, and as forearm position changes, other muscles must compensate. 505: 732: 382: 631: 622: 914: 402: 421:, with which the biceps shares a nerve supply. The biceps muscle has two heads, the short head and the long head, distinguished according to their origin at the coracoid process and supraglenoid tubercle of the scapula, respectively. From its origin on the glenoid, the long head remains tendinous as it passes through the shoulder joint and through the 740:
characterized by pain and enlargement and abnormal contour of the tendon. Complete tears occur as avulsion of the tendinous portion of the biceps away from its insertion on the tuberosity of the radius, and is often accompanied by a palpable, audible "pop" and immediate pain and soft tissue swelling.
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In the horse, the biceps' function is to extend the shoulder and flex the elbow. It is composed of two short-fibred heads separated longitudinally by a thick internal tendon which stretches from the origin on the supraglenoid tubercle to the insertion on the medial radial tuberosity. This tendon
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expressed the original idea of the biceps acting as a supinator in a series of annotated drawings made between 1505 and 1510; in which the principle of the biceps as a supinator, as well as its role as a flexor to the elbow were devised. However, this function remained undiscovered by the medical
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Treatment of a biceps tear depends on the severity of the injury. In most cases, the muscle will heal over time with no corrective surgery. Applying cold pressure and using anti-inflammatory medications will ease pain and reduce swelling. More severe injuries require surgery and post-op physical
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of the elbow to be at least partially flexed. If the humeroulnar joint is fully extended, supination is then primarily carried out by the supinator muscle. The biceps is a particularly powerful supinator of the forearm due to the distal attachment of the muscle at the radial tuberosity, on the
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The proximal tendons of the biceps brachii are commonly involved in pathological processes and are a frequent cause of anterior shoulder pain. Disorders of the distal biceps brachii tendon include insertional tendonitis and partial or complete tears of the tendon. Partial tears are usually
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The biceps works across three joints. The most important of these functions is to supinate the forearm and flex the elbow. Besides, the long head of biceps prevents the upward displacement of the head of the humerus. In more detail, the actions are, by joint:
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Tears of the biceps brachii may occur during athletic activities, however avulsion injuries of the distal biceps tendon are frequently occupational in nature and sustained during forceful, eccentric contraction of the biceps muscle while lifting.
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of the elbow – The biceps brachii also functions as an important flexor of the forearm, particularly when the forearm is supinated. Functionally, this action is performed when lifting an object, such as a bag of groceries or when performing a
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and subsequently recorded for the medical community. It was rewritten several times by different authors wishing to present information to different audiences. The most notable recent expansion upon Cheselden's recordings was written by
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A soft-tissue mass is sometimes encountered in the anterior aspect of the arm, the so-called Reverse Popeye deformity, which paradoxically leads to a decreased strength during flexion of the elbow and supination of the forearm.
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is a Latin phrase meaning "two-headed of the arm", in reference to the fact that the muscle consists of two bundles of muscle, each with its own origin, sharing a common insertion point near the elbow joint. The proper
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Dirim B, Brouha SS, Pretterklieber ML, Wolff KS, Frank A, Pathria MN, Chung CB (December 2008). "Terminal bifurcation of the biceps brachii muscle and tendon: anatomic considerations and clinical implications".
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ter Haar Romeny, B.M.; Denier van der Gon, J.J.; Gielen, C.C.A.M. (September 1984). "Relation between location of a motor unit in the human biceps brachii and its critical firing levels for different tasks".
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in the lateral portion of the long head of the biceps are preferentially activated during elbow flexion, while motor units in the medial portion are preferentially activated during forearm supination.
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One study found a higher than expected number of female cadavers with a third head of biceps brachii, equal incidence between sides of the body, and uniform innervation by musculocutaneous nerve.
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opposite side of the bone from the supinator muscle. When flexed, the biceps effectively pulls the radius back into its neutral supinated position in concert with the supinator muscle.
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therapy to regain strength and functionality in the muscle. Corrective surgeries of this nature are typically reserved for elite athletes who rely on a complete recovery.
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Frost A, Zafar MS, Maffulli N (April 2009). "Tenotomy versus tenodesis in the management of pathologic lesions of the tendon of the long head of the biceps brachii".
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community as da Vinci was not regarded as a teacher of anatomy, nor were his results publicly released. It was not until 1713 that this movement was re-discovered by
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in 10% of cases (normal variation)—most commonly originating near the insertion of the coracobrachialis and joining the short head—but four, five, and even seven
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the forearm. Both these movements are used when opening a bottle with a corkscrew: first biceps screws in the cork (supination), then it pulls the cork out (
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of the elbow – The biceps brachii functions as a powerful supinator of the forearm, i.e. it turns the palm upwards. This action, which is aided by the
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Arend CF. Ultrasound of the Shoulder. Master Medical Books, 2013. Free chapter on ultrasound evaluation of biceps tendon tears available at
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of a proximal biceps tendon rupture. Top image shows the contralateral normal side, and lower image shows a retracted muscle, with a
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The biceps is a two-headed muscle and is one of the chief flexors of the forearm. Here is the left side, seen from the front.
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The biceps shares its nerve supply with the other two muscles of the anterior compartment. The muscles are supplied by the
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Athwal GS, Steinmann SP, Rispoli DM (October 2007). "The distal biceps tendon: footprint and relevant clinical anatomy".
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Both heads of the biceps join in the middle upper arm to form a single muscle mass, usually near the insertion of the
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can withstand very large forces when the biceps is stretched. From this internal tendon a strip of tendon, the
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Poudel PP, Bhattarai C (June 2009). "Study on the supernumerary heads of biceps brachii muscle in Nepalese".
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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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The biceps are usually attributed as representative of strength within a variety of worldwide cultures.
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Eames MH, Bain GI, Fogg QA, van Riet RP (May 2007). "Distal biceps tendon anatomy: a cadaveric study".
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The evolution of hominin diets: integrating approaches to the study of Palaeolithic subsistence
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Location of biceps. Two different colors represent two different bundles which compose biceps.
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Simons DG, Travell JG, Simons LS (1999). "30: Biceps Brachii Muscle". In Eric Johnson (ed.).
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The tendon that attaches to the radial tuberosity is partially or completely surrounded by a
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Anatomie des Menschen. Ein Lehrbuch für Studierende und Ärzte. Erster Band. Bewegungsapparat
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The biceps brachii muscle is the one that gave all muscles their name: it comes from the
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is adjacent to the biceps and also inserts on the radius bone, though more distally.
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like in modern humans, and thus that they used a different movement when throwing.
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position with the biceps more fully contracted, approaching minimum length (right.)
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Traditionally described as a two-headed muscle, biceps brachii is one of the most
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The Preacher curl, also known as the Scott Curl, is a popular exercise for biceps
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make up the components of the musculocutaneous nerve which supply the biceps.
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DeLee & Drez's orthopaedic sports medicine : principles and practice
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Chew ML, Giuffrè BM (2005). "Disorders of the distal biceps brachii tendon".
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which is attached to the upper forearm. While the biceps crosses both the
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Schwerdtfeger, Luke A.; Pascoe, Michael A.; Clapp, Tod (September 2018).
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and elbow joints, its main function is at the elbow where it flexes and
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of the biceps and radiates over and inserts onto the ulnar part of the
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that lies on the front of the upper arm between the shoulder and the
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muscles of the human body and has a third head arising from the
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position (left); with the biceps partially contracted and in a
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Attachment to the radial tuberosity and Bursa bicipitoradialis.
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The distal biceps tendons are completely separated in 40% and
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Two muscles lie underneath the biceps brachii. These are the
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Kleiber T, Kunz L, Disselhorst-Klug C (January 1, 2015).
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Muskeln. Anatomische Bedingung eines dreiköpfigen Biceps
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Kegels L, Van Oyen J, Siemons W, Verdonk R (June 2006).
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Dictionary and Thesaurus — Merriam-Webster Online
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Anatomy and Physiology: The Unity of Form and Function
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The Journal of Bone and Joint Surgery. American Volume
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Travell & Simons' Myofascial Pain and Dysfunction
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This article is about a muscle. For other uses, see
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For other uses, see 942:. Unsourced material may be challenged and 2675: 2557: 2381: 2298: 2289: 2136: 2043: 2018: 2004: 1996: 1768:: CS1 maint: location missing publisher ( 409:The biceps is one of three muscles in the 178:into deep fascia on medial part of forearm 61: 1962: 1615: 1541: 1531: 1354: 1104: 1102: 962:Learn how and when to remove this message 588:. Fibers of the fifth, sixth and seventh 1270:"Bicipitoradial bursitis. A case report" 560:heads have been reported in rare cases. 1657:The American Journal of Sports Medicine 1581:Digitalisat der Universität Heidelberg. 1493:. New York, NY: McGraw-Hill Education. 1058: 500: 1761: 1373:AJR. American Journal of Roentgenology 600:The blood supply of the biceps is the 312: 52: 1937:Watson JC, Wilson AM (January 2007). 1896:Handbuch der Topographischen Anatomie 1740:(Fourth ed.). Philadelphia, PA. 786:The biceps can be strengthened using 411:anterior compartment of the upper arm 7: 1992:at the SUNY Downstate Medical Center 1912:. In Hublin JJ, Richards MP (eds.). 940:adding citations to reliable sources 27:Muscle on the front of the upper arm 825:, means both "mouse" and "muscle". 1814:Latin Declension - Wiktionary 25: 1343:Translational Research in Anatomy 870:derived from misinterpreting the 1955:10.1111/j.1469-7580.2006.00669.x 1908:Churchill SE, Rhodes JA (2009). 1796:"Bicep tear - Muscular Injuries" 1113:Clinical kinesiology and anatomy 912: 629: 620: 531: 519: 503: 82: 1041:, connects the muscle with the 769:filling out the proximal space. 490:and along the mid-shaft of the 2406:extensor carpi radialis longus 2333:flexor digitorum superficialis 1798:. Sports Medicine Information. 1: 1428:Krishna G (2010). "8 - Arm". 1304:Nepal Medical College Journal 1608:10.1016/0014-4886(84)90036-0 1245:Color Atlas of Human Anatomy 987:in 1867, in a journal named 2616:flexor digiti minimi brevis 1172:The Journal of Hand Surgery 866:, attested from 1939, is a 2780: 2358:flexor digitorum profundus 1356:10.1016/j.tria.2018.08.001 1184:10.1016/j.jhsa.2007.05.027 1081:Bogart BI, Ort VH (2007). 1029: 1003: 751: 577: 357:and join to form a single 309:Anatomical terms of muscle 43: 36: 29: 2759:Muscles of the upper limb 2046: 1277:Acta Orthopaedica Belgica 763:Panoramic ultrasonography 685:. When the forearm is in 660:Proximal radioulnar joint 450:musculotendinous junction 307: 60: 2583:abductor pollicis brevis 2467:extensor pollicis longus 2462:extensor pollicis brevis 2457:abductor pollicis longus 1990:Anatomy photo:06:05-0102 1669:10.1177/0363546508322179 1573:Musculus biceps brachii. 1533:10.3389/fphys.2015.00215 37:Not to be confused with 1864:"The dangers of satire" 1520:Frontiers in Physiology 1043:extensor carpi radialis 890:Adriaan van den Spiegel 480:coracobrachialis muscle 419:coracobrachialis muscle 339:musculus biceps brachii 278:musculus biceps brachii 32:Biceps (disambiguation) 2621:abductor digiti minimi 2611:opponens digiti minimi 2578:flexor pollicis brevis 2427:extensor carpi ulnaris 2422:extensor digiti minimi 2363:flexor pollicis longus 1596:Experimental Neurology 770: 736: 586:musculocutaneous nerve 496:brachioradialis muscle 486:which connects to the 423:intertubercular groove 406: 398: 338: 261:Triceps brachii muscle 201:Musculocutaneous nerve 46:Bicep (disambiguation) 2496:bicipital aponeurosis 2323:flexor carpi radialis 806:Etymology and grammar 761: 754:Biceps tendon rupture 734: 727:Clinical significance 667:muscle, requires the 494:. Besides those, the 446:bicipital aponeurosis 404: 384: 176:bicipital aponeurosis 160:supraglenoid tubercle 2690:extensor retinaculum 2328:flexor carpi ulnaris 1712:10.1148/rg.255045160 1222:10.2106/JBJS.D.02992 989:Physiology of Motion 936:improve this section 900:, "the small fish". 465:bicipitoradial bursa 2518:antebrachial fascia 2452:anatomical snuffbox 2263:triangular interval 2220:intermuscular septa 2112:infraspinous fascia 2107:supraspinous fascia 1385:10.2214/AJR.08.1048 1109:Lippert LS (2006). 1006:Neanderthal anatomy 892:called the bicep a 792:resistance training 454:antebrachial fascia 351:heads of the muscle 2754:Forearm supinators 2720:palmar aponeurosis 2715:flexor retinaculum 2695:extensor expansion 2539:osborne's ligament 2417:extensor digitorum 2353:pronator quadratus 2253:quadrangular space 2187:articularis cubiti 1943:Journal of Anatomy 1489:Saladin K (2015). 1243:Platzer W (2004). 1147:scholar.google.com 985:Guillaume Duchenne 771: 737: 698:Glenohumeral joint 639:Flexed arm in the 407: 399: 2736: 2735: 2732: 2731: 2728: 2727: 2590:adductor pollicis 2573:opponens pollicis 2547: 2546: 2482: 2481: 2371: 2370: 2273: 2272: 2120: 2119: 1923:978-1-4020-9698-3 1862:(July 30, 2008). 1747:978-1-4557-4376-6 1500:978-0-07-340371-7 1472:978-0-683-08363-7 1439:978-81-239-1863-1 1254:978-1-58890-159-0 1128:978-0-8036-1243-3 1092:978-1-4160-3165-9 1039:lacertus fibrosus 980:William Cheselden 975:Leonardo da Vinci 972: 971: 964: 862:The English form 677:Humeroulnar joint 669:humeroulnar joint 570:in 25% of cases. 484:brachialis muscle 415:brachialis muscle 413:, along with the 323: 322: 318: 172:Radial tuberosity 16:(Redirected from 2771: 2764:Shoulder flexors 2708: 2683: 2676: 2558: 2474:extensor indicis 2440: 2389: 2382: 2346: 2306: 2299: 2290: 2258:triangular space 2149:coracobrachialis 2137: 2044: 2020: 2013: 2006: 1997: 1977: 1976: 1966: 1934: 1928: 1927: 1905: 1899: 1885: 1879: 1878: 1876: 1874: 1856: 1850: 1849: 1847: 1845: 1831: 1825: 1824: 1822: 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918: 911: 905: 902: 880:English plural 868:back formation 830:biceps brachii 807: 804: 783: 780: 752:Main article: 749: 748:Tendon rupture 746: 728: 725: 715: 714: 694: 673: 638: 637: 628: 627: 619: 618: 617: 616: 615: 613: 610: 597: 594: 575: 572: 545: 542: 541: 540: 537: 530: 528: 525: 518: 516: 509: 502: 392: 386: 378: 375: 331:biceps brachii 321: 320: 311: 305: 304: 299: 293: 292: 287: 281: 280: 275: 269: 268: 264: 263: 258: 252: 251: 250: 249: 237: 225: 215: 209: 208: 198: 192: 191: 186: 180: 179: 169: 163: 162: 142: 136: 135: 79: 75: 74: 70: 69: 66: 58: 57: 56:Biceps brachii 39:Biceps femoris 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 2776: 2765: 2762: 2760: 2757: 2755: 2752: 2750: 2749:Elbow flexors 2747: 2746: 2744: 2721: 2718: 2716: 2713: 2712: 2710: 2707: 2702: 2696: 2693: 2691: 2688: 2687: 2685: 2682: 2677: 2674: 2672: 2668: 2660: 2657: 2655: 2652: 2651: 2650: 2647: 2645: 2642: 2641: 2639: 2635: 2629: 2626: 2622: 2619: 2617: 2614: 2612: 2609: 2608: 2607: 2604: 2603: 2601: 2597: 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2386: 2343: 2304:superficial: 2303: 2284:compartments 2247: 2219: 2153: 2131:compartments 2056:rotator cuff 1949:(1): 32–40. 1946: 1942: 1932: 1913: 1903: 1895: 1891: 1888:Joseph Hyrtl 1883: 1873:December 22, 1871:. Retrieved 1868:Language Log 1867: 1854: 1844:December 22, 1842:. Retrieved 1838: 1829: 1817:. Retrieved 1813: 1804: 1790: 1778: 1737: 1703: 1699: 1693: 1660: 1656: 1650: 1599: 1595: 1588: 1576: 1572: 1560: 1523: 1519: 1509: 1490: 1456: 1448: 1429: 1423: 1411:. Retrieved 1401: 1376: 1372: 1365: 1346: 1342: 1332: 1307: 1303: 1297: 1283:(3): 362–5. 1280: 1276: 1263: 1244: 1238: 1213: 1209: 1175: 1171: 1150:. Retrieved 1146: 1137: 1112: 1082: 1038: 1035: 1012:Neanderthals 1009: 1000:Neanderthals 988: 973: 958: 949: 934:Please help 922: 897: 893: 888: 883: 875: 871: 863: 861: 852: 848: 844: 837:form of the 829: 827: 822: 814: 809: 785: 776: 772: 742: 738: 722: 716: 696: 675: 658: 652: 644: 640: 599: 596:Blood supply 583: 574:Nerve supply 565: 562: 547: 477: 458: 435: 408: 359:muscle belly 330: 326: 324: 290:A04.6.02.013 277: 156: 144: 50: 2083:teres major 2071:teres minor 1819:October 31, 1583:S. 298-301. 1413:January 16, 1310:(2): 96–8. 898:il pescetto 800:biceps curl 718:Motor units 683:biceps curl 510:Biceps and 267:Identifiers 145:Short head: 2743:Categories 2681:posterior: 2649:interossei 2606:hypothenar 2396:mobile wad 2159:brachialis 1617:1874/23877 1409:. ExRx.net 1152:August 21, 1053:References 1030:See also: 1004:See also: 894:Pisciculus 578:See also: 568:bifurcated 473:supination 256:Antagonist 157:Long head: 2706:anterior: 2644:lumbrical 2447:supinator 2377:posterior 2169:posterior 1764:cite book 1756:880421005 1626:0014-4886 1569:Curt Elze 1349:: 25–27. 923:does not 849:bicipites 842:adjective 828:The term 707:adduction 703:abduction 687:pronation 665:supinator 645:supinated 544:Variation 469:pronation 377:Structure 367:supinates 240:supinates 167:Insertion 18:M. biceps 2506:extensor 2294:anterior 2182:anconeus 2141:anterior 2039:Shoulder 1973:17229281 1860:Zwicky A 1810:"biceps" 1720:16160108 1685:35918574 1677:18762669 1642:36705348 1552:26300781 1393:19020211 1316:19968147 1289:16889153 1230:17473142 1192:17923307 952:May 2019 857:singular 815:musculus 782:Training 767:hematoma 641:pronated 612:Function 550:variable 442:distally 417:and the 363:shoulder 235:shoulder 2279:Forearm 2225:lateral 2051:deltoid 2029:of the 2027:Muscles 1964:2100266 1835:"Bicep" 1634:6468581 1543:4526813 1526:: 215. 1324:9963394 944:removed 929:sources 904:History 882:marker 878:as the 796:chin-up 711:scapula 554:humerus 512:triceps 492:humerus 438:deltoid 427:humerus 425:of the 371:flexion 355:scapula 349:. Both 247:forearm 245:in the 232:abducts 213:Actions 152:scapula 150:of the 73:Details 2671:fascia 2659:palmar 2654:dorsal 2568:thenar 2511:flexor 2488:fascia 2410:brevis 2248:spaces 2230:medial 2197:fascia 2154:biceps 2093:fascia 1971:  1961:  1920:  1894:. 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Index

M. biceps
Biceps (disambiguation)
Biceps femoris
Bicep (disambiguation)

/ˈbsɛpsˈbrki/
Origin
coracoid process
scapula
supraglenoid tubercle
Insertion
Radial tuberosity
bicipital aponeurosis
Artery
Brachial artery
Nerve
Musculocutaneous nerve
C5–C7
Actions
Flexes
elbow
flexes
abducts
shoulder
supinates
radioulnar joint
forearm
Antagonist
Triceps brachii muscle
Latin

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