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Individual differences |
Methods | Statistics | Clinical | Educational | Industrial | Professional items | World psychology |
Biological: Behavioural genetics · Evolutionary psychology · Neuroanatomy · Neurochemistry · Neuroendocrinology · Neuroscience · Psychoneuroimmunology · Physiological Psychology · Psychopharmacology (Index, Outline)
|Nerve: Posterior cord|
|Plan of brachial plexus. (Posterior cord is shaded gray.)|
|The right brachial plexus with its short branches, viewed from in front. The Sternomastoid and Trapezius muscles have been completely, the Omohyoid and Subclavius have been partially, removed; a piece has been sawed out of the clavicle; the Pectoralis muscles have been incised and reflected.|
|Latin||fasciculus posterior plexus brachialis|
|Gray's||subject #210 933|
|From||brachial plexus - posterior divisions of the three trunks|
|To||subscapular, up. and low.|
The posterior cord is a division of the brachial plexus.
The posterior cord gives rise to the following nerves:
|upper subscapular nerve||C7-C8||subscapularis muscle of the rotator cuff|
|lower subscapular nerve||C5-C6||teres major also of the rotator cuff|
|thoracodorsal nerve||C6-C8||latissimus dorsi muscle|
|axillary nerve||C5-C6||sensation to the shoulder and motor to the deltoid muscle and the teres minor muscle|
|radial nerve||C6-C8||triceps brachii muscle, the brachioradialis muscle, the extensor muscles of the fingers and wrist (extensor carpi radialis muscle), and the extensor and abductor muscles of the thumb|
- Atlas of anatomy at UMich hand_plexus - "Axilla, dissection, anterior view"
- Illustration at preventdisease.com
|Nerves of upper limbs (primarily): the brachial plexus|
| supraclavicular: dorsal scapular - suprascapular - to the subclavius - long thoracic
posterior cord: subscapular (upper, lower) - thoracodorsal - axillary (superior lateral cutaneous of arm) - radial (muscular, inferior lateral cutaneous of arm, posterior cutaneous of arm, posterior cutaneous of forearm, superficial branch, deep branch, posterior interosseous)
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