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上肢主要肌肉
学习目标
完成本单元的学习后，你将能够：
- 列举上肢的主要肌肉。
- 描述每块肌肉的起点、止点和运动功能。
- 了解上肢各部位的主要运动。
观看视频
上肢的众多肌肉能完成相当多的运动，如抓住和操纵物体，以及做出各种手势表达自己。上肢肌肉可以根据上肢部位进行分组：
- 肩肌
- 臂肌
- 前臂肌
- 手肌
观看以下视频，了解上肢的主要肌肉、附着点、神经血管供应和运动功能。
进行测验
看完视频后，来进行测验以巩固上肢肌肉的相关知识吧。
为了挑战自己，你可以参加上肢骨骼和肌肉相关的更全面的测验。
浏览图谱
:watermark(/images/watermark_5000_10percent.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/overview_image/1984/J5h9GJtJQAWe5LweO5pzg_main-muscles-of-the-upper-limb-anterior_cn.jpg){kind=logo}
:watermark(/images/watermark_5000_10percent.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/overview_image/1986/n9uOA8iyojfRxyNePSzhqQ_main-muscles-of-the-upper-limb-posterior_cn.jpg){kind=logo}
通过下面的标注图谱来复习上肢主要肌群。请注意观察它们的位置和附着点，这样更容易理解它们的功能。
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/deltoid-muscle-23/WuzBvZqKGpI8S7i2WzxBJA_Deltoid_muscle.png "三角肌 (Deltoid muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculus-supraspinatus/8aopcPx9UI7nQdz1DnwhNw_6w5T7o4YpX_M._supraspinatus_1.png "冈上肌 (Supraspinatus muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculus-infraspinatus/7PJLJARySjIcAnj6aoP1EQ_pv2yhyp7nz_M._infraspinatus_1.png "冈下肌 (Infraspinatus muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/teres-major-muscle-8/AJkiPRAcY17m6ewkUPv78Q_Teres_major_muscle.png "大圆肌 (Teres major muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculus-teres-minor/iAJArxmaiB78yHylXkYg_FeDYRgt9Ko_M._teres_minor_1.png "小圆肌 (Teres minor muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculus-subscapularis/kdBvHlsFOtwi0WCRxM9Jw_Subscapularis_muscle.png "肩胛下肌 (Subscapularis muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculus-biceps-brachii/CVhTnRTVd4BfSLs6Qn6Kg_musculus-biceps-brachii.png "肱二头肌 (Biceps brachii muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculus-brachialis/GgxR27xiyMGo2EYgs0UzA_Ybaas1xKNV_M._brachialis_1.png "肱肌 (Brachialis muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculus-triceps-brachii/yek8v3oLhs3PvFEQS1K8ZQ_YLST1Wrqj7_M._triceps_brachii_1.png "肱三头肌 (Triceps brachii muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculus-brachioradialis/v4cjWb9YRtBJX2uCql7Sg_G2szyLxpqm_M._brachioradialis_1.png "肱桡肌 (Brachioradialis muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/flexor-muscles-of-forearm/yuecVwljq577nvWRFd64Uw_Flexors_of_the_forearm.png "前臂前群肌 (Anterior (flexor) muscles of forearm)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculus-pronator-teres/THwhYo2jzJRpQrouoLw3hA_pp5Pfy4TfU_M._pronator_teres_1.png "旋前圆肌 (Pronator teres muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculus-flexor-carpi-radialis/xqFs6PJoZQPYdIXhH1IQ_p6puWBDYAH_M._flexor_carpi_radialis_1.png "桡侧腕屈肌 (Flexor carpi radialis muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculus-palmaris-longus/WVIUiW3dOxD0Lt6c6Paw8w_U7ZZMWG3P9_M._palmaris_longus_1.png "掌长肌 (Palmaris longus muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculus-flexor-carpi-ulnaris/COsYmrOPIj1inQhGQPbVkQ_jnjpjF1kp5_M._flexor_carpi_ulnaris_1.png "尺侧腕屈肌 (Flexor carpi ulnaris muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculus-flexor-digitorum-superficialis/oPfDTi6kvpzPwPe9KFKdFg_Flexor_digitorum_superficialis_2.png "指浅屈肌 (Flexor digitorum superficialis muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculus-pronator-quadratus/HWuLeIfWvHK7YAOIsdgsg_vTpJSC6LJ9_M._pronator_quadratus_1.png "旋前方肌 (Pronator quadratus muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/extensor-musles-of-forearm/ZxXXOxk2ZW6G7QH6B6pLZg_Extensors_of_the_forearm.png "前臂后群肌 (Posterior (extensor) muscles of forearm)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculus-extensor-carpi-radialis-longus/mGxFqPCLdAU08VKHSETB1A_cBfSNyqfNk_Musculus_extensor_carpi_radialis_longus_1.png "桡侧腕长伸肌 (Extensor carpi radialis longus muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculus-extensor-carpi-ulnaris/riicogzc3NIW0GjXYM9qLw_PHJYzxdi1L_Musculus_extensor_carpi_ulnaris_1.png "尺侧腕伸肌 (Extensor carpi ulnaris muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculus-extensor-digitorum/Su0KQfnNBEWj7pX4bAiQ_597_Unterarm_Extensoren_NN_copy.png "指伸肌 (Extensor digitorum muscle)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/thenar-eminence-2/UyU6S5Qg1rn2yxOzc3GA_thenar-eminence-2.jpg "大鱼际肌 (Thenar muscles)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/hypothenar-eminence-2/vuWFnRUUrL2hRYBQ4oKcQ_hypothenar-eminence-2.jpeg "小鱼际肌 (Hypothenar muscles)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculi-lumbricales-hand/9koMoBAL0lzCigRLbEbU3w_Lumricales.png "手蚓状肌 (Lumbrical muscles of hand)；图像：Yousun Koh"){kind=logo}
:watermark(/images/watermark_only.png,0,0,0):watermark(/images/logo_url.png,-10,-10,0):format(jpeg)/images/learnable/musculi-interossei-dorsales-hand/sF6yzO3SnCf99f7WW2inw_ytKB3gnyvY_Musculi_interossei_dorsales_1.png "手骨间背侧肌 (Dorsal interossei muscles of hand)；图像：Yousun Koh"){kind=logo}
三角肌
Deltoid muscle
1/25
同义词：
无
小结
| 上肢主要肌群 |
肩肌：三角肌、冈上肌、冈下肌、大圆肌、小圆肌和肩胛下肌 臂前群：肱肌、肱二头肌和喙肱肌 臂后群：肱三头肌 前臂前群：肱桡肌、旋前圆肌、桡侧腕屈肌、掌长肌、尺侧腕屈肌、指浅屈肌、旋前方肌等 前臂后群：指伸肌、尺侧腕伸肌、桡侧腕长伸肌等 手肌：鱼际、小鱼际、骨间背侧肌、掌短肌等 |
| 上肢肌群的主要运动功能 |
肩肌：负责肩关节外展、内收、屈曲、伸展、内旋和外旋 臂前群：负责臂部屈曲 臂后群：负责臂部伸展 前臂前群：负责手和手指屈曲 前臂后群：负责手和手指伸展 手肌：负责手指内收、外展、屈曲、伸展和对掌 |
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