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Arm & Forearm region • • • • Bones Joints Muscles Vessels & Nerves Median cubital Superficial veins of hand Brachial Artery • Situation: • extends from the lower border of the teres major to a point in front of the elbow at the level of neck of radius. • Branches: • • • • • Muscular branches Profonda brachii Superior ulnar collateral Inferior ulnar collatera Two terminal branches ( Radial & Ulnar ) Profonda brachii Profonda brachii Profonda brachii Fractures of the Shaft of the Humerus Brachial Artery Fractures of the Distal End of the Humerus: Volkmann's ischemic contracture Brachial Artery Brachial Artery Brachial Artery Brachial Artery & Profonda brachii Nerves Musculocutaneous N. Supplies: •Coracobrachialis •Biceps •Brachialis Ulnar N. Ulnar N. Supplies: • F.C.U Median N. Median N. Median N. Supplies: • Pronator teres • F.C.R • Palmaris longus • Pronator quadretus Ulnar N. Median N. Radial N. Radial N. Radial N. injury Fractures of the Shaft of the Humerus Radial N. Radial N. Supplies: • Triceps • Anconeus • Brachioradialis • Supinator • E.C.R.L • E.C.R.B • E.C.U Arm Cutaneus nerve supply • Nerves Supra clavicular nerve (Cervical Plexus) Upper Lateral Cutaneus Nerve of Arm (Axillary) Lower Lateral cutaneous nerve of Arm (Radial) Intecosto Brachii nerve ( T2 ) Medial cutaneous nerve of Arm (Medial Cord ) Posterior cutaneous nerve of Arm (Radial ) Forearm Cutaneus nerve supply • Nerves Lateral Cutaneus Nerve of Forearm (Musculocutaneous ) Medial Cutaneus Nerve of Forearm (Medial Cord) Posterior cutaneous nerve of Forearm (Radial)