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is narrow and rough. At its upper part is a deep groove, running from above obliquely downward and medialward; it transmits the tendon of the
627:
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is oval, concave from side to side, convex from before backward, so as to form a saddle-shaped surface for articulation with the base of the
134:
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327:
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The trapezium is distinguished by a deep groove on its anterior surface. It is situated at the radial side of the
1039:
861:
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Drake, Richard L.; Vogl, Wayne; Tibbitts, Adam W.M. Mitchell; illustrations by
Richard; Richardson, Paul (2005).
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The left trapezium bone ("navicular" refers to scaphoid, "lesser multangular" refers to trapezoid)
1220:
938:
227:
250:. The trapezium is found within the distal row of carpal bones, and is directly adjacent to the
1032:
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92:
1230:
1174:
922:
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852:
842:
655:
646:
Eathorne, SW (Mar 2005). "The wrist: clinical anatomy and physical examination--an update".
77:
537:
Transverse section across the wrist and digits. Trapezium is shown in yellow (labelled as "
1132:
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is directed upward and medialward; medially it is smooth, and articulates with the
215:
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122:
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243:
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17:
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Cross section of wrist (thumb on left). Trapezium shown in red (labelled as "
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The carpal bones function as a unit to provide a bony superstructure for the
146:
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750:
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276:
263:
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82:
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presents two facets; the upper, large and concave, articulates with the
1010:
880:
783:
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588:
703:
292:. This saddle-shaped articulation is partially responsible for the
58:
509:
Bones of the left hand. Dorsal surface. Trapezium shown in yellow.
497:
Bones of the left hand. Palmar surface. Trapezium shown in yellow.
255:
105:
364:
found on the anterior surface of the bone. It is where sometimes
279:; laterally it is rough and continuous with the lateral surface.
1105:
1058:
734:
593:
392:
The trapezium is susceptible to arthritis at the joint with the
380:. The trapezium is the most radial of the bones surrounding the
377:
247:
195:
707:
738:
51:
Left hand anterior view (palmar view). Trapezium shown in red.
437:
Position of trapezium (shown in red). Left hand. Animation.
473:
Right hand posterior view (dorsal view). Thumb on bottom.
485:
Right hand anterior view (palmar view). Thumb on top.
337:
is broad and rough, for the attachment of ligaments.
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68:
39:
348:; the lower, small and oval, with the base of the
622:. Philadelphia: Elsevier/Churchill Livingstone.
420:"foot". The name was first documented in 1840.
226:bone (the metacarpal bone of the thumb). It is
641:
639:
719:
8:
613:
611:
609:
1110:
1015:
726:
712:
704:
565:Tendons of forefinger and vincula tendina.
57:
45:
605:
427:
169:
36:
404:The etymology derives from the Greek
384:. It is important in thumb movement.
258:. On its ulnar surface are found the
242:The trapezium is an irregular-shaped
7:
326:; it also affords attachment to the
408:which means "a little table", from
396:bone of the thumb, due to overuse.
111:os trapezium, os multangulum majus
25:
553:Ligaments of wrist. Anterior view
558:
546:
530:
514:
502:
490:
478:
466:
454:
442:
430:
366:abductor pollicis brevis muscle
360:The tubercle of trapezium is a
1:
412:meaning "table", itself from
234:of reptiles and amphibians.
687:Online Etymology Dictionary
620:Gray's anatomy for students
449:Trapezium of the left hand.
1287:
574:
328:transverse carpal ligament
32:Trapezium (disambiguation)
29:
660:10.1016/j.pop.2004.11.009
164:
56:
44:
188:greater multangular bone
166:Anatomical terms of bone
577:anatomical terminology
324:Flexor pollicis brevis
356:Tubercle of trapezium
312:Flexor carpi radialis
296:'s opposable motion.
290:first metacarpal bone
974:supracondylar ridges
30:For other uses, see
232:first distal carpal
939:deltoid tuberosity
575:This article uses
388:Clinical relevance
1266:Bones of the hand
1243:
1242:
1239:
1238:
1100:
1099:
1048:Lister's tubercle
774:subclavian groove
769:costal tuberosity
681:Harper, Douglas.
629:978-0-8089-2306-0
424:Additional images
350:second metacarpal
316:Opponens pollicis
246:found within the
180:
179:
175:
27:Bone of the wrist
16:(Redirected from
1278:
1175:Metacarpal bones
1111:
1076:coronoid process
1016:
923:bicipital groove
853:coracoid process
843:spine of scapula
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285:inferior surface
272:superior surface
172:edit on Wikidata
61:
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1256:Skeletal system
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1096:
1091:styloid process
1084:trochlear notch
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1044:styloid process
1005:
945:lower extremity
890:upper extremity
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759:conoid tubercle
747:Shoulder girdle
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539:Greater Multang
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523:Greater Multang
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461:Trapezium bone.
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335:lateral surface
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198:. It forms the
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818:great scapular
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804:infraspinatous
800:supraspinatous
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764:trapezoid line
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346:trapezoid bone
342:medial surface
308:palmar surface
301:dorsal surface
239:
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222:and the first
218:, between the
211:
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202:border of the
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93:2nd metacarpal
78:1st metacarpal
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18:Trapezium bone
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934:radial sulcus
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827:
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824:glenoid fossa
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819:
815:
814:suprascapular
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383:
382:carpal tunnel
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355:
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257:
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204:carpal tunnel
201:
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89:
84:
79:
76:
74:Articulations
72:
67:
60:
55:
48:
43:
38:
33:
19:
1271:Carpal bones
1226:intermediate
1142:
1115:Carpal bones
1089:near wrist (
1080:radial notch
1066:near elbow (
1038:near wrist (
1027:near elbow (
987:
973:
959:
943:
927:
908:
894:
888:
857:
837:supraglenoid
833:infraglenoid
828:
809:
791:
690:. Retrieved
686:
676:
654:(1): 17–33.
651:
648:Primary Care
647:
619:
538:
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417:
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375:
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341:
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307:
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283:
281:
270:
268:
254:bone of the
241:
231:
213:
194:bone in the
187:
183:
181:
135:A02.4.08.008
110:
1040:ulnar notch
960:epicondyles
796:subscapular
683:"Trapezium"
584:Carpal bone
416:"four" and
318:and to the
303:is smooth.
244:carpal bone
100:Identifiers
85:proximally
1250:Categories
1133:triquetral
1068:tuberosity
1033:tuberosity
899:anatomical
600:References
394:metacarpal
368:attaches.
252:metacarpal
228:homologous
224:metacarpal
1213:Phalanges
1148:trapezoid
1143:trapezium
1072:olecranon
1000:olecranon
950:capitulum
909:tubercles
829:tubercles
692:5 January
406:trapezion
260:trapezoid
230:with the
210:Structure
184:trapezium
90:medially
88:trapezoid
80:distally
40:Trapezium
1221:proximal
1153:capitate
1138:pisiform
1123:scaphoid
996:coronoid
955:trochlea
903:surgical
866:inferior
862:superior
848:acromion
751:clavicle
668:15831311
571:See also
414:(te)tra-
372:Function
362:tubercle
320:Abductor
277:scaphoid
264:scaphoid
238:Surfaces
220:scaphoid
95:medially
83:scaphoid
1163:hamulus
1011:Forearm
978:lateral
964:lateral
913:greater
881:Humerus
870:lateral
810:notches
784:Scapula
737:of the
410:trapeza
400:History
266:bones.
190:) is a
123:D051222
69:Details
1231:distal
1158:hamate
1128:lunate
1020:Radius
992:radial
988:fossae
982:medial
968:medial
917:lesser
858:angles
792:fossae
666:
626:
589:Finger
216:carpus
200:radial
192:carpal
186:bone (
1261:Wrist
895:necks
735:Bones
294:thumb
256:thumb
170:[
159:23721
106:Latin
1106:Hand
1059:Ulna
1029:head
929:body
694:2014
664:PMID
624:ISBN
594:Hand
418:pod-
378:hand
340:The
333:The
322:and
306:The
299:The
282:The
269:The
262:and
248:hand
196:hand
182:The
147:1255
130:TA98
118:MeSH
1203:5th
1198:4th
1193:3rd
1188:2nd
1183:1st
739:arm
656:doi
541:").
525:").
154:FMA
142:TA2
1252::
1082:,
1078:,
1074:,
1070:,
1046:,
1042:,
1031:,
998:,
994:,
980:,
966:,
915:,
901:,
868:,
864:,
835:,
816:,
802:,
798:,
749:,
685:.
662:.
652:32
650:.
638:^
608:^
352:.
330:.
206:.
1093:)
1086:)
1050:)
1035:)
1002:)
990:(
984:)
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970:)
962:(
947::
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911:(
905:)
897:(
892::
872:)
860:(
839:)
831:(
820:)
812:(
806:)
794:(
727:e
720:t
713:v
696:.
670:.
658::
632:.
579:.
174:]
34:.
20:)
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