Fifth session Brachial plexus

Division of brachial plexus Supraclavicular branches Infraclavicular branches

1-nerves to scalens and longus coli Mus. 2-nerve to phrenic nerve (c5).

Br. From thyrocervical artery

Division of brachial plexus  Supraclavicular branches  1-nerves to scalens and longus coli Mus.  2-nerve to phrenic nerve (c5).  3-Dorsal scapular nerve (c5).  4-long thoracic(c5,c6,c7).  5- nerve to subclavius muscle (c5,c6).  6-suprascapular nerve(c5,c6).

Infraclavicular branches: cords  Lateral cord  1-Lateral pectoral nerve  2-Musculocutaneus n.  3-lateral root for median nerve.  Medial cord  1-Medial pectoral nerve.  2-Medial cutaneus of arm.  3-Medial cutaneus of forearm.  4-Ulnar nerve.  5-Medial root of median nerve.  Posterior cord  1-Upper subscapular  2-Thoracodorsal  3-lower subscapular  4-Axillary nerve  5-Radial nerve

Infraclavicular branches: cords  Lateral cord  1-Lateral pectoral nerve  2-Musculocutaneus n.  3-lateral root for median nerve.  Medial cord  1-Medial pectoral nerve.  2-Medial cutaneus of arm.  3-Medial cutaneus of forearm.  4-Ulnar nerve.  5-Medial root of median nerve.  Posterior cord  1-Upper subscapular  2-Thoracodorsal  3-lower subscapular  4-Axillary nerve  5-Radial nerve

Infraclavicular branches: cords  Lateral cord  1-Lateral pectoral nerve  2-Musculocutaneus n.  3-lateral root for median nerve.  Medial cord  1-Medial pectoral nerve.  2-Medial cutaneus of arm.  3-Medial cutaneus of forearm.  4-Ulnar nerve.  5-Medial root of median nerve.  Posterior cord  1-Upper subscapular  2-Thoracodorsal  3-lower subscapular  4-Axillary nerve  5-Radial nerve