Knowledge (XXG)

Second metacarpal bone

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The metacarpal bone of the index finger has two centres of ossification: a primary centre in the shaft and a secondary centre in the head. This contrasts to the first metacarpal bone where the secondary centre is found in the base. The ossification process begins in the shaft during prenatal life,
1158: 234:. On the second metacarpal, the facet for the capitate is directed proximally, almost perpendicular to the facet for the third metacarpal, while the corresponding facet on the capitate is oriented distally. This is to receive compressive forces generated by the pad-to-pad 54: 312: 324: 348: 336: 282:, the orientation of the facet on the second metacarpal is similar to human conditions — an indication that it had the capability of pad-to-pad precision grip. 606: 91: 222:, as it is furthest down the bat handle on both left- and right-handers, and as such is in danger of being struck by balls that are pitched short. 196: 844: 599: 848: 41: 876: 746: 649: 212: 86: 1128: 956: 783: 750: 592: 204: 200: 858: 360: 1168: 862: 825: 779: 770: 920: 742: 208: 464:"A Study of Ossification of heads of 2nd to 5th Metacarpals in Forensic Age Estimation in the Kerala Population" 1163: 830: 98: 1137: 1106: 1078: 1043: 948: 924: 462:
Balachandran, Ajay; Anooj Krishna; Moumitha Kartha; Libu G. K.; Liza John; Krishnan B (30 December 2013).
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Laven, Kate. "West Indies' Courtney Walsh still in love with cricket." Daily Telegraph 5 May 2009 Print.
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is the largest and is concave from side to side, convex from before backward for articulation with the
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The articulation between the second metacarpal and the capitate is considered uniquely specialized in
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Knowledge (XXG) articles incorporating text from the 20th edition of Gray's Anatomy (1918)
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monkeys these facets are oriented slightly differently due to their locomotor behaviour.
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also lacks the waisted capitate associated with apes and climbing still present in
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It presents four articular facets, three on the upper surface and one on the
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Its base is prolonged upward and medialward, forming a prominent ridge.
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Moyà-Solà, Salvador; Köhler, Meike; Rook, Lorenzo (5 January 1999).
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Second metacarpal bone of the left hand (shown in red). Animation.
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Dorsal view of the left hand (second metacarpal shown in yellow).
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Palmer view of the left hand (second metacarpal shown in yellow).
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This bone is often the most prone to damage from fast bowlers in
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Second metacarpal of the left hand (shown in red). Palmar view.
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between the thumb and the index finger. In contrast, in
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surface of the base. The shaft gives origin to the first
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Journal of Evolution of Medical and Dental Sciences
449: 85: 73: 68: 63: 34: 330:Second metacarpal bone of the left hand. Close up. 167:is small, flat and oval for articulation with the 187:The facet on the ulnar side articulates with the 445: 443: 301:and in the head between 11th and 22nd months. 600: 8: 419: 417: 415: 413: 991: 896: 607: 593: 585: 199:is inserted on the dorsal surface and the 52: 40: 567: 557: 482: 1133: 409: 366:Second metacarpal bone.Deep dissection. 308: 508:This article incorporates text in the 102: 31: 197:extensor carpi radialis longus muscle 7: 149:Of the facets on the upper surface: 25: 450:Moyà-Solà, Köhler & Rook 1999 254:, these facets are oriented in a 1136: 502: 359: 347: 335: 323: 311: 242:, including fossil apes such as 58:The second metacarpal. (Left.) 1: 275:hominid that became extinct 201:flexor carpi radialis muscle 516:of the 20th edition of 1190: 211:and the first and second 97: 51: 39: 99:Anatomical terms of bone 27:Bone of the index finger 280: million years ago 121:metacarpal bone of the 393:Fourth metacarpal bone 117:second metacarpal bone 35:Second metacarpal bone 559:10.1073/pnas.96.1.313 398:Fifth metacarpal bone 388:Third metacarpal bone 383:First metacarpal bone 855:supracondylar ridges 428:(1918). See infobox. 484:10.14260/jemds/1751 477:(52): 10165–10171. 169:greater multangular 820:deltoid tuberosity 209:palmar interosseus 158:lesser multangular 1169:Bones of the hand 1124: 1123: 1120: 1119: 981: 980: 929:Lister's tubercle 655:subclavian groove 650:costal tuberosity 305:Additional images 213:dorsal interossei 113: 112: 108: 80:os metacarpale II 18:Second metacarpal 16:(Redirected from 1181: 1141: 1140: 1132: 1056:Metacarpal bones 992: 957:coronoid process 897: 804:bicipital groove 734:coracoid process 724:spine of scapula 609: 602: 595: 586: 581: 571: 561: 543: 506: 505: 496: 495: 493: 491: 486: 468: 459: 453: 447: 438: 435: 429: 421: 363: 351: 339: 327: 315: 289:Australopithecus 281: 189:third metacarpal 128:metacarpal bones 105:edit on Wikidata 56: 44: 32: 21: 1189: 1188: 1184: 1183: 1182: 1180: 1179: 1178: 1164:Skeletal system 1149: 1148: 1147: 1135: 1127: 1125: 1116: 1088: 1050: 977: 972:styloid process 965:trochlear notch 934: 925:styloid process 886: 826:lower extremity 771:upper extremity 756: 659: 640:conoid tubercle 628:Shoulder girdle 622: 613: 541: 532: 529: 503: 500: 499: 489: 487: 466: 461: 460: 456: 448: 441: 436: 432: 422: 411: 406: 374: 367: 364: 355: 352: 343: 340: 331: 328: 319: 316: 307: 298: 276: 228: 136: 109: 59: 47: 28: 23: 22: 15: 12: 11: 5: 1187: 1185: 1177: 1176: 1171: 1166: 1161: 1151: 1150: 1146: 1145: 1122: 1121: 1118: 1117: 1115: 1114: 1109: 1104: 1098: 1096: 1090: 1089: 1087: 1086: 1081: 1076: 1071: 1066: 1060: 1058: 1052: 1051: 1049: 1048: 1047: 1046: 1036: 1031: 1026: 1021: 1016: 1011: 1006: 1000: 998: 989: 983: 982: 979: 978: 976: 975: 968: 944: 942: 936: 935: 933: 932: 917: 905: 903: 894: 888: 887: 885: 884: 866: 852: 838: 833: 822: 817: 806: 801: 787: 766: 764: 758: 757: 755: 754: 736: 731: 726: 721: 707: 702: 699:great scapular 688: 685:infraspinatous 681:supraspinatous 669: 667: 661: 660: 658: 657: 652: 647: 645:trapezoid line 642: 636: 634: 624: 623: 614: 612: 611: 604: 597: 589: 583: 582: 552:(1): 313–317. 528: 525: 519:Gray's Anatomy 498: 497: 454: 439: 430: 425:Gray's Anatomy 408: 407: 405: 402: 401: 400: 395: 390: 385: 380: 373: 370: 369: 368: 365: 358: 356: 353: 346: 344: 341: 334: 332: 329: 322: 320: 317: 310: 306: 303: 297: 294: 256:sagittal plane 227: 224: 193: 192: 185: 184: 183: 172: 161: 135: 132: 111: 110: 101: 95: 94: 89: 83: 82: 77: 71: 70: 66: 65: 61: 60: 57: 49: 48: 45: 37: 36: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 1186: 1175: 1172: 1170: 1167: 1165: 1162: 1160: 1157: 1156: 1154: 1144: 1139: 1134: 1130: 1113: 1110: 1108: 1105: 1103: 1100: 1099: 1097: 1095: 1091: 1085: 1082: 1080: 1077: 1075: 1072: 1070: 1067: 1065: 1062: 1061: 1059: 1057: 1053: 1045: 1042: 1041: 1040: 1037: 1035: 1032: 1030: 1027: 1025: 1022: 1020: 1017: 1015: 1012: 1010: 1007: 1005: 1002: 1001: 999: 997: 993: 990: 988: 984: 973: 969: 966: 962: 958: 954: 950: 946: 945: 943: 941: 937: 930: 926: 922: 918: 915: 911: 907: 906: 904: 902: 898: 895: 893: 889: 882: 878: 874: 870: 867: 864: 860: 856: 853: 850: 846: 842: 839: 837: 834: 832: 829: 827: 823: 821: 818: 816: 815:radial sulcus 813: 811: 807: 805: 802: 799: 795: 791: 788: 785: 781: 777: 774: 772: 768: 767: 765: 763: 759: 752: 748: 744: 740: 737: 735: 732: 730: 727: 725: 722: 719: 715: 711: 708: 706: 705:glenoid fossa 703: 700: 696: 695:suprascapular 692: 689: 686: 682: 678: 674: 671: 670: 668: 666: 662: 656: 653: 651: 648: 646: 643: 641: 638: 637: 635: 633: 629: 625: 621: 617: 610: 605: 603: 598: 596: 591: 590: 587: 579: 575: 570: 565: 560: 555: 551: 547: 540: 538: 531: 530: 526: 524: 523: 520: 517: 515: 511: 510:public domain 485: 480: 476: 472: 465: 458: 455: 451: 446: 444: 440: 434: 431: 427: 426: 420: 418: 416: 414: 410: 403: 399: 396: 394: 391: 389: 386: 384: 381: 379: 376: 375: 371: 362: 357: 350: 345: 338: 333: 326: 321: 314: 309: 304: 302: 295: 293: 291: 290: 285: 279: 274: 270: 269: 263: 261: 257: 253: 252: 247: 246: 241: 237: 233: 225: 223: 221: 216: 214: 210: 206: 202: 198: 190: 186: 181: 177: 173: 170: 166: 162: 159: 155: 151: 150: 148: 147: 146: 144: 139: 134:Human anatomy 133: 131: 129: 125: 124: 118: 106: 100: 96: 93: 90: 88: 84: 81: 78: 76: 72: 67: 62: 55: 50: 43: 38: 33: 30: 19: 1107:intermediate 1068: 996:Carpal bones 970:near wrist ( 961:radial notch 947:near elbow ( 919:near wrist ( 908:near elbow ( 868: 854: 840: 824: 808: 789: 775: 769: 738: 718:supraglenoid 714:infraglenoid 709: 690: 672: 549: 545: 537:Oreopithecus 536: 521: 507: 501: 488:. Retrieved 474: 470: 457: 433: 423: 299: 296:Ossification 287: 284:Oreopithecus 283: 268:Oreopithecus 266: 264: 249: 245:Dryopithecus 243: 229: 217: 194: 175: 164: 154:intermediate 153: 140: 137: 123:index finger 120: 116: 114: 79: 29: 921:ulnar notch 841:epicondyles 677:subscapular 490:26 December 452:, pp. 315–6 260:quadrupedal 69:Identifiers 1174:Metacarpus 1153:Categories 1014:triquetral 949:tuberosity 914:tuberosity 780:anatomical 527:References 378:Metacarpus 236:opposition 1094:Phalanges 1029:trapezoid 1024:trapezium 953:olecranon 881:olecranon 831:capitulum 790:tubercles 710:tubercles 251:Proconsul 226:Evolution 1102:proximal 1034:capitate 1019:pisiform 1004:scaphoid 877:coronoid 836:trochlea 784:surgical 747:inferior 743:superior 729:acromion 632:clavicle 514:page 228 372:See also 232:hominids 180:capitate 1143:Anatomy 1044:hamulus 892:Forearm 859:lateral 845:lateral 794:greater 762:Humerus 751:lateral 691:notches 665:Scapula 618:of the 578:9874815 273:Miocene 220:cricket 203:on the 165:lateral 64:Details 1129:Portal 1112:distal 1039:hamate 1009:lunate 901:Radius 873:radial 869:fossae 863:medial 849:medial 798:lesser 739:angles 673:fossae 576:  566:  522:(1918) 176:medial 145:side: 776:necks 616:Bones 569:15136 542:(PDF) 512:from 467:(PDF) 404:Notes 258:. In 205:volar 143:ulnar 103:[ 92:23900 75:Latin 987:Hand 940:Ulna 910:head 810:body 574:PMID 546:PNAS 492:2013 271:, a 248:and 240:apes 195:The 174:the 163:the 152:the 115:The 1084:5th 1079:4th 1074:3rd 1069:2nd 1064:1st 620:arm 564:PMC 554:doi 479:doi 265:In 87:FMA 1155:: 963:, 959:, 955:, 951:, 927:, 923:, 912:, 879:, 875:, 861:, 847:, 796:, 782:, 749:, 745:, 716:, 697:, 683:, 679:, 630:, 572:. 562:. 550:96 548:. 544:. 473:. 469:. 442:^ 412:^ 292:. 215:. 130:. 1131:: 974:) 967:) 931:) 916:) 883:) 871:( 865:) 857:( 851:) 843:( 828:: 812:: 800:) 792:( 786:) 778:( 773:: 753:) 741:( 720:) 712:( 701:) 693:( 687:) 675:( 608:e 601:t 594:v 580:. 556:: 539:" 494:. 481:: 475:2 278:7 191:. 182:. 171:; 160:; 119:( 107:] 20:)

Index

Second metacarpal


Latin
FMA
23900
Anatomical terms of bone
edit on Wikidata
index finger
metacarpal bones
ulnar
lesser multangular
greater multangular
capitate
third metacarpal
extensor carpi radialis longus muscle
flexor carpi radialis muscle
volar
palmar interosseus
dorsal interossei
cricket
hominids
opposition
apes
Dryopithecus
Proconsul
sagittal plane
quadrupedal
Oreopithecus
Miocene

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