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Anatomy & Physiology: The Brachial Plexus

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james donahue

on 25 January 2013

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Transcript of Anatomy & Physiology: The Brachial Plexus

C5 C6 C7 C8 T1 The Brachial Plexus Upper Trunk Middle Trunk Lower Trunk anterior anterior anterior posterior posterior posterior Lateral Cord Medial Cord Posterior Cord Musculocutaneous n. Axillary n. Radial n. Median n. Ulnar n. Rami Trunks Divisions Cords Branches Long Thoracic n. Dorsal Scapular n. Suprascapular n. to supraspinatus
and infraspinatus to rhomboid M. and m.
and levator scapulae Lateral Pectoral n. to pectoralis M. and m. to serratus anterior Upper Subscapular n. Lower Subscapular n. Thoracodorsal n. Medial Pectoral n. Medial Brachial Cutaneous n. Medial Antebrachial Cutaneous n. Posterior Cord to subscapularis and teres M. to subscapularis to latissimus dorsi Medial Cord to pectoralis M. and m. to skin of the upper arm to skin of the lower arm "4 groups of 3" to anterior compartment
of the arm to deltoid
and teres m. to posterior arm, forearm and hand to anterior forearm
and hand to anterior forearm
and hand What if Luke didn't have the Force? jdonahue120768@gmail.com
"http://youtu.be/tgRehlund3g" http://accweb.itr.maryville.edu/myu/Bio300/injury.htm The Brachial Plexus large, branching network of nerves

located neck to axilla

formed by rami from C5-T1

gives rise to virtually all nerves in the upper limb http://bit.ly/10QdWhT Label the branches of the brachial plexus
Discuss the muscles innervated by branches of the brachial plexus
Sketch and label the brachial plexus in about one minute
Explore common injuries of the brachial plexus Goals C5 C6 C7 A Quick Sketch As nerves leave the CNS to innervate peripheral structures, their pathways can be: direct, like those of the
intercostal nerves or branching networks, like those of the brachial plexus and lumbar plexus
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