Brachial Plexus Flashcards
The trunks of the brachial plexus are what and are made up of which roots
Superior trunk: C5 and C6
Middle trunk:C7
Inferior trunk:C8 and T1
Mention the cords and the major nerves they give rise to
Lateral cord: musculocutaneous nerve and median nerve
Posterior cord: axillary and radial nerve
Medial cord: median nerve and ulnar nerve
What are the brachial plexus parts?
Roots
Trunks
Division
Cords
Branches
Where is the brachial plexus originated from?
The axilla
What makes up each of the three trunks?
Superior trunk:made up of C5 and c6 roots
Middle trunk: made up of C7
Inferior trunk: made up of C8 and T1 roots
What divisions make up the lateral cord and the medial cord?
What minor braches arise from the roots of the
Dorsal scapular
Lomg thoracic
Minor branches that arise from the trunks of brachial plexus
Suprascapular nerve
Subclavius nerve
Minor branches that arise from the lateral cord of bp
Lateral pectoral nerve
Major Peripheral nerves from Posterior cord of brachial plexus?
Axillary and radial nerve
Which cord/cords does the musculocutaneous nerve arise from?
Lateral and medial cords
Minor branches that arise from the posteriro cord of brachial plexus?
Superior subscapular nerve
Thoracodorsal nerve
Inferior subscapular nerve
The axillary nerve has which spinal roots
C5 and C6
Which muscle does the axillary nerve innervate?
Teres minor and deltoid muscle
