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14 Cards in this Set

  • Front
  • Back
In general, what do the muscles of the antebrachium do?
flexors - flex wrist/fingers

extensors - extend wrist/fingers
What are the borders of the axillary (triangle?)
Anterior axillary fold = pec major
Posterior axillary fold = lat
Medial border = serratus anterior
The posterior cord is made up of what?
All 3 posterior divisions
The lateral cord is made up of what
the superior and middle trunk anterior divisions
The medial cord is comprised of
anterior division of inferior trunk
Musculocutaneous nerve branch:
Branch of
Innervates
-of lateral cord
-muscles of anterior arm, skin of anterior forearm
Median nerve branch:
Branch of
Innervates
-of lateral/medial cords
-muscles of anterior forearm/thumb, and skin of palm
Ulnar nerve branch:
Branch of
Innervates
-of medial cord
-Muscles of hand, skin of palm
Radial nerve branch:
Branch of
Innervates
-continuation of posterior cord
-extensor muscles of arm/forearm, and skin of arm/forearm/hand
Axillary nerve branch:
Branch of
Innervates
-of posterior cord
-deltoid/teres minor, and skin over deltoid
Which artery runs right through the brachial plexus
Axillary artery
What is an identifying feature of the musculocutaneous nerve
Immediately dives into corocobrachialis
Which nerve is just anterior to the axillary artery?
Median nerve
When does the subclavian artery become the axillary?

The axillary become the brachial?
-when it crosses the 1st rib

-when it crosses the lower border of the teres major