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Brachial Plexus

Roots. Trunks. Divisions. Cords.

Branches.

Roots:

Dorsal scapular n. (C5)
Long thoracic n. (C5,6,7)

Upper trunk:

N. to subclavius.
Suprascapular n.

Lateral cord:

Lateral pectoral n.
Musculocutaneous n.
Lateral root of median n.

Medial cord:

Medial pectoral n.
Medial cutaneous n. of arm.
Medial cutaneous n. of forearm.
Ulnar n.
Medial root of median n.

Posterior cord:

Upper & lower subscapular n.
Thoracodorsal n.
Axillary n.
Radial n.

Branches of brachial plexus found in axilla

N. To subclavius

Long thoracic n.

Lateral pectoral n.

Musculocutaneous n.

Lateral root of median n.

Medial pectoral n.

Medial cutaneous n. of the arm

Medial cutaneous n. of the forearm

Ulnar n.

Medial root of median n.

Upper and lower subscapular n.

Thoracodorsal n.

Axillary n.

Radial n.

Lymph nodes of the axilla

Lymph nodes of the axilla

• Anterior (Pectoral) group.
• Posterior (Subscapular) group.
• Lateral group.
• Central group.
• Infraclavicular (Deltopectoral) group.
• Apical group.


Anterior (Pectoral) group

Posterior (Subscapular) group

Lateral group

Central group

Infraclavicular (Deltopectoral) grup

Apical group

Subclavian lymph trunk

Superficial part of back & Scapular regionSkinSensory nerve supply

Blood supply

Veins

Lymphatic drainage

Rotator cuff

Anatomical spaces

Quardangular space

Triangular space