1、拇短伸肌 Extensor Pollicis Brevis 2012-03-03 16:13:51| 分类： 上肢解剖 |字号 订阅Origin起点：Posterior surfaces of radius and interosseous membrane桡骨后面及前臂骨间膜Insertion止点：Base of proximal phalanx of thumb拇指近节指骨基底Action功能：Extends proximal phalanx of thumb at carpometacarpal joint伸拇指近节指间关节Innervation神经支配：Posterior intero
2、sseous nerve (C7 and C8), the continuation of the deep branch of the radial nerve (C7, C8)骨间背神经 C7/C8Arterial Supply血供：Posterior interosseous artery骨间背动脉示指伸肌 Extensor Indicis 2012-03-03 16:04:24| 分类： 上肢解剖 |字号 订阅Origin起点：Posterior surface of ulna and interosseous membrane尺骨的后面及前臂骨间膜Insertion止点：Extens
3、or expansion of 2nd digit第2指指背腱膜Action功能：Extends 2nd digit and helps to extend hand伸第2指、协助伸手Innervation神经支配：Posterior interosseous nerve (C7 and C8), the continuation of the deep branch of the radial nerve (C7, C8)骨间背神经 C7/C8，桡神经深支的延续Arterial Supply血供：Posterior interosseous artery骨间背动脉旋后肌 Supinator
4、Origin： Lateral epicondyle of humerus, radial collateral and annular ligaments, supinator fossa and crest of ulna起点：肱骨外上髁，尺骨嵴和桡骨环状韧带。Insertion：Lateral, posterior and anterior surfaces of proximal 1/3 of radius止点：桡骨近端1/3的外侧，后侧和前侧。Action：Supinates forearm (i.e., rotates radius to turn palm anteriorly)
5、功能：旋后前臂，旋转桡骨使手掌向上。Innervation：Deep branch of radial nerve (C5 and C6) (C5, C6)神经支配：桡神经深支。Arterial Supply：Recurrent interosseous artery血供：骨间返动脉。旋前方肌 2012-02-19 21:49:40| 分类： 上肢解剖|字号 订阅旋前方肌是位于前臂远侧1/3段的一块四边形肌，附着于桡骨、尺骨和前臂骨间膜。Pronator quadratus is a square shaped muscle on the distal forearm that acts to
6、 pronate (turn so the palm faces downwards) the hand.旋前方肌是一个位于前臂远端的四方行肌肉，作用使前臂旋前（使手掌面向下）As it is on the anterior side of the arm, it is innervated by a branch of the median nerve, the anterior interosseous nerve (roots C8 and T1 with T1 being primary). Arterial blood comes via the interosseous arter
7、y.由于它在前臂的前面，受骨间前神经即正中神经分支支配（C8-T1） ，血供来自骨间前动脉。起止：Its fibers run perpendicular to the direction of the arm, running from the most distal quarter of the anterior ulna to the distal quarter of the anterior radius. It is the only muscle that attaches only to the ulna at one end and the radius at the oth
8、er end.它的肌纤维走形垂直于前臂方向，起自尺骨前面的远端1/4，止于桡骨远端前1/4 。它是仅有的一块起于尺骨止于桡骨的肌肉。作用：When pronator quadratus contracts, it pulls the lateral side of the radius towards the ulna, thus pronating the hand. Its deep fibers serve to keep the two bones in the forearm bound together. It also aids in wrist extension.当旋前方肌收
9、缩时，它牵拉桡骨的外侧向尺骨运动，因此前臂旋前。其深层的纤维为保持这前臂两个骨骼捆在一起，也有利于腕部伸展。肘肌 Anconeus 2012-02-14 10:33:20| 分类： 上肢解剖 |字号 订阅Origin and insertion：起止Anconeus originates on the posterior surface of the lateral epicondyle of the humerus （肱骨外上髁）and is inserted on the ulna lateral to the olecranon（尺骨鹰嘴外侧） from where it extends
10、 down on the dorsal side of the bone.作用：协助伸肘神经支配：桡神经（C7/8）血供：中副动脉（肱深动脉分支）旋前圆肌 2011-12-31 21:53:48| 分类： 上肢解剖 |字号 订阅位于前臂屈侧浅层，呈长圆形，全肌长约16cm，宽1.5cm ，厚0.7cm。起止点：肱骨头肱骨内上髁屈肌总腱，尺骨头尺骨冠状突，止于桡骨体中1/3部分；功能：前臂旋前、屈曲肘关节；神经支配：正中神经（C6-7） ；3支多见血供：滑车上动脉及尺侧返动脉的肌支；尺侧腕伸肌、桡侧腕长伸肌和桡侧腕短伸肌的解剖 2011-07-27 22:41:23| 分类： 上肢解剖 |字号
11、订阅尺侧腕伸肌起点：肱骨外上髁、前臂筋膜及肘关节囊。止点：第五掌骨底。功能：近固定时，使桡腕关节伸，参与手关节内收。桡侧腕长伸肌起点：肱骨外上髁。止点：第二掌骨底。功能：近固定时，使手关节伸，参与桡腕关节外展及肘关节伸。桡侧腕短伸肌起点：肱骨外上髁。止点：第三掌骨底。功能：基本与桡侧腕长伸肌相同。肱桡肌 brachioradialis 2011-07-08 20:31:03| 分类： 上肢解剖 |字号 订阅肱桡肌 brachioradialis 【位置】肱桡肌是前臂前外侧浅层的一块肌肉。全肌长约30cm，肌腱长10cm。【起止点】起于肱骨外上髁上嵴的上2/3及外侧肌间隔，下行至前臂中点处聚集成
12、扁腱止于桡骨茎突。【功能】协助屈肘、协调前臂旋前或者旋后的作用。【神经支配】桡神经(C5, C6 and C7) （2-3分支支配桡神经）【血液供应】桡侧返动脉、肱深动脉、桡动脉、肱动脉、骨间返动脉等的分支桡侧腕屈肌 Flexor Carpi Radialis 2012-07-06 12:56:18| 分类： 上肢解剖 |字号 订阅Origin： Medial epicondyle of humerus起点：肱骨内上髁Insertion：Base of 2nd metacarpal止点：第2掌骨基底Action：Flexes and abducts hand (at wrist)功能：屈腕和桡
13、偏腕部Innervation：Median nerve (C6 and C7) (C6, C7)神经支配：正中神经Arterial Supply：Ulnar artery血供：尺动脉尺侧腕屈肌 Flexor Carpi Ulnaris 2012-07-06 12:53:06| 分类： 上肢解剖 |字号 订阅Origin:Humeral head: medial epicondyle of humerus; Ulnar head: olecranon and posterior border of ulna起点：肱骨头；肱骨内上髁；尺骨头；尺骨鹰嘴和尺骨后面Insertion:Pisiform
14、bone, hook of hamate bone, and 5th metacarpal bone止点：豌豆骨，钩骨，第5掌骨Action:Flexes and adducts hand (at wrist)功能：屈和尺偏腕部Innervation:Ulnar nerve (C7 and C8) (C7, C8)神经支配：尺神经Arterial Supply:Ulnar artery血供：尺动脉掌长肌 Palmaris Longus 2012-07-05 20:04:45| 分类： 上肢解剖 |字号 订阅Origin： Medial epicondyle of humerus起点：肱骨内上髁
15、Insertion：Distal half of flexor retinaculum and palmar aponeurosis止点：屈肌支持带远端和掌腱膜Action：Flexes hand (at wrist) and tightens palmar aponeurosis功能：屈手和腕及紧张掌腱膜Innervation：Median nerve (C7 and C8) (C7, C8)神经支配：正中神经Arterial Supply：Ulnar artery血供：尺动脉屈拇长肌 Flexor Pollicis Longus 2012-03-15 21:10:51| 分类： 上肢解剖
16、|字号 订阅Origin： Anterior surface of radius and adjacent interosseous membrane起点：桡骨及前臂骨间膜掌侧Insertion ：Base of distal phalanx of thumb止点：拇指末节基地Action： Flexes phalanges of 1st digit (thumb)功能：屈拇指末节Innervation： Anterior interosseous nerve from median nerve (C8 and T1) (C8, T1)神经支配：正中神经的骨间掌侧神经分支Arterial Su
17、pply：Anterior interosseous artery 血供：骨间前动脉小指伸肌 Extensor Digiti Minimi 2012-03-15 21:08:08| 分类： 上肢解剖 |字号 订阅Origin： Lateral epicondyle of humerusInsertion： Extensor expansion of 5th digitAction： Extends 5th digit at metacarpophalangeal and interphalangeal jointsInnervation： Posterior interosseous nerv
18、e (C7 and C8), the continuation of the deep branch of the radial nerve (C7, C8)Arterial Supply： Interosseous recurrent artery 伸拇长肌 Extensor Pollicis Longus 2012-03-14 19:57:53| 分类： 上肢解剖 |字号 订阅Origin： Posterior surface of middle 1/3 of ulna and interosseous membrane起点：尺骨中1/3后面和骨间膜Insertion ：Base of d
19、istal phalanx of thumb止点：拇指远节指骨基底Action： Extends distal phalanx of thumb at carpometacarpal and interphalangeal joints功能：伸远节指骨和指间关节Innervation： Posterior interosseous nerve (C7 and C8), the continuation of the deep branch of the radial nerve (C7, C8)神经支配：骨间背神经(C7, C8)Arterial Supply： Posterior inter
20、osseous artery 血供：骨间背动脉拇长展肌 Abductor Pollicis Longus 2012-03-14 19:51:46| 分类： 上肢解剖 |字号 订阅Origin ：Posteriorsurfaces of ulna, radius and interosseous membrane起点：尺骨背面，桡骨和前臂骨间膜Insertion： Base of 1st metacarpal止点：第1掌骨基底Action ：Abducts thumb and extends it at carpometacarpal joint功能：外展拇指和伸腕掌关节Innervation：
21、 Posterior interosseous nerve (C7 and C8), the continuation of the deep branch of the radial nerve (C7, C8)神经支配：骨间背神经（C7, C8）Arterial Supply：Posterior interosseous artery 血供：骨间背动脉屈指浅肌 Flexor Digitorum Superficialis 2012-03-10 16:52:00| 分类： 上肢解剖 |字号 订阅Origin起点：Humeroulnar head: medial epicondyle of h
22、umerus, ulnar collateral ligament, and coronoid process of ulna; Radial head: superior half of anterior border of radius肱骨内上髁，尺侧副韧带，尺骨冠状突；桡骨前上面Insertion止点：Bodies of middle phalanges of digits 2 - 52-5指中节指骨体Action功能：Flexes middle phalanges at proximal interphalangeal joints of medial four digits; act
23、ing more strongly, it also flexes proximal phalanges at metacarpophalangeal joints and hand在指间关节平面屈中节指骨，增强肌力，在掌指关节平面屈近节指骨Innervation神经支配：Median nerve (C7, C8 and T1) (C7, C8, T1)正中神经 C7/C8/T1Arterial Supply血供：Ulnar artery尺动脉屈指深肌 Flexor Digitorum Profundus 2012-03-10 16:49:50| 分类： 上肢解剖 |字号 订阅Origin起点
24、：Proximal 3/4 of medial and anterior surfaces of ulna and interosseous membrane尺骨上3/4前面和骨间膜Insertion止点：Base of the distal phalanx of digits 2 - 52-5指远节指骨基底Action功能：Flexes distal phalanges at distal interphalangeal joints of medial four digits; assists with flexion of hand在指间关节平面屈远节指骨；协助屈手Innervation
25、神经支配：Medial part: ulnar nerve (C8 and T1); Lateral part: anterior interosseous branch of median nerve (C8 and T1) (C8, T1)尺侧由尺神经支配，桡侧由骨间掌侧神经支配Arterial Supply血供：Ulnar and anterior interosseous arteries尺动脉和骨间前动脉指伸肌腱 Extensor Digitorum 2012-03-10 16:47:32| 分类： 上肢解剖 |字号 订阅Origin起点：Lateral epicondyle of
26、humerus肱骨外上髁Insertion止点：Extensor expansions of medial four digits四个手指指背腱膜Action功能：Extends medial four digits at metacarpophalangeal joints; Extends hand at wrist joint在掌指关节平面伸四个手指，在腕关节平面伸腕Innervation神经支配：Posterior interosseous nerve (C7 and C8), the continuation of the deep branch of the radial nerve (C7, C8)骨间背神经 C7/ C8Arterial Supply血供：Interosseous recurrent and posterior interosseous arteries骨间返动脉和骨间背动脉
