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                FOOT FOOT • SOLE OF THE FOOT • THICK AND HAIRLESS. • IT IS FIRMLY BOUND DOWN TO THE UNDERLYING DEEP FASCIA BY NUMEROUS FIBROUS BANDS. • THE SKIN SHOWS A FEW FLEXURE CREASES AT THE SITES OF SKIN MOVEMENT. • SWEAT GLANDS ARE PRESENT IN LARGE NUMBERS. FOOT • SENSORY NERVE SUPPLY: • MEDIAL CALCANEAL BRANCH OF THE TIBIAL NERVE - WHICH INNERVATES THE MEDIAL SIDE OF THE HEEL; • BRANCHES FROM THE MEDIAL PLANTAR NERVE- WHICH INNERVATE THE MEDIAL TWO THIRDS OF THE SOLE • BRANCHES FROM THE LATERAL PLANTAR NERVE - INNERVATE THE LATERAL THIRD OF THE SOLE FOOT • DEEP FASCIA • THE PLANTAR APONEUROSIS IS A TRIANGULAR THICKENING OF THE DEEP FASCIA THAT PROTECTS THE UNDERLYING NERVES, BLOOD VESSELS, AND MUSCLES. • ITS APEX IS ATTACHED TO THE MEDIAL AND LATERAL TUBERCLES OF THE CALCANEUM. • THE BASE OF THE APONEUROSIS DIVIDES INTO FIVE SLIPS THAT PASS INTO THE TOES. MUSCLESOF THE FOOT ...

BRACHIAL PLEXUS BRACHIAL PLEXUS u the nerve fibers derived from different segments of the spinal cord to be arranged and distributed efficiently in different nerve trunks to the various parts of the upper limb. u The brachial plexus is formed in the posterior triangle of the neck by the union of the anterior rami of the 5th, 6th, 7th, and 8th cervical and the 1st thoracic spinal nerve. COMPONENTS u Roots – C5 – T1 u Trunks – Upper – C5 and C6, Middle – C7, Lower – C8 and T1 u Divisions – Anterior and Posterior u Cords –in relation to the AXILLARY ARTERY u – Lateral Cord - anterior divisions of the upper and middle trunk u - Medial Cord - the anterior division of the lower trunk u - Posterior Cord - the posterior divisions of all three trunks u Branches CORD u lie above and lateral to the first part of the axillary artery u MEDIAL CORD - crosses behind the artery to reach the medial       side of the second part ...