Post on 03-Jun-2020
transcript
Brachial plexus and nerves of the upper limb
E-mail: a.al-nuaimi@sheffield.ac.uk E. mail: abdulameerh@yahoo.com
Prof. Abdulameer Al-Nuaimi
Dermatomes
Rhomboids & levat Scap M
Serratus ant. M.
Latiss Dorsi M.
Brachial Plexus
Post triang
Behind the clav.
U T
M T
L T
Scal Ant
Scal post
Posterior triangle
The cords are named according To their arrangement around the Middle part of the axillary artery
Of the forearm
Innervation of Musculocutaneous nerve
Cutaneous nerve of the forearm
Axillary Nerve
It passes posteriorly round the surgical neck of the Humerus with the post. Circumflex humeral artery
Axillary nerve
Cubital Fossa
Cubital Fossa
The Radial nerve Arise from the posterior cord of the brachial plexus, it arise from nerve roots C5, C6, C7, C8, T1
Branches of radial nerve In the forearm it gives superficial sensory and deep motor branches. The deep branch winds around the neck of the radius between the superficial and deep layers of Supinator muscle to reach posterior of forearm. The superficial sensory branches are:
Dermatomes of the hand
Muscles of the
forearm
Ulnar nerve
Then It passes anteriorly in the forearm
Adductor pollicise muscle
Ulnar nerve
d
the
Median nerve
It passes between the two heads of pronator teres m.
Innervation
and the skin on the dorsal surface of Their distal phalanges
Carpal tunnel syndrome
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