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ANAT 1615 Upper Extremity Notes - Median n • Third layer...

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ANAT 1615 SUPPLEMENTAL WORKSHEET FOR THE UPPER EXTREMITY 1. Rotator Cuff muscles and other shoulder muscles Deltoids (Ant, Middle, Post), Teres Major S = Suprapinatus AB Suprascapular n. I = Infraspinatus EX Suprascapular n. T = Teres Minor EX Axillary n. S = Subscapularis IN Upper and Lower Subscapular n. 2. Anterior Arm muscles – innervated by Musculocutaneous n. Biceps Brachii (short head, long head) Coracobrachialis Brachialis 3. Posterior Arm muscles Radial n. Triceps (Long, Lateral, Medial) 4. Muscles of the Medial Epicondyle to the Forearm (Flexors and Pronators) First layer, place palm of 1 hand over medial epicondyle of other forearm o Thumb = Pronator Teres Median n. o Index finger = Flexor Carpi Radialis o Middle finger = Palmaris Longis o Ring finger = Flexor Carpi Ulnaris Ulnar n. ** the only one not innervated by Median n. and ** the only one that does attach to a carpal bone (the pisiform) Second layer = Flexor Digitorum Superficialis
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Unformatted text preview: Median n. • Third layer = o Flexor Digitorum Profundus Median n. o Flexor Pollicis Longus “ 1 • Deepest layer = Pronator Quadratus “ 5. Muscles of the Lateral Epicondyle to the Forearm.(Extensors and Suppinators) Remember, if it extends anything in the arm or forearm, it’s innervated by the _______________ nerve!!! (3,3,1, 3 for the thumb, 2 up top for fun) • 3 = mobile wad of 3 o Brachioradialis o Extensor Carpi Radialis Longus o Extensor Carpi Radialis Brevis • 3 = 3 that move the digits o Extensor Digitorum o Extensor Digiti Minimi o Extensor Indices (deep) • 1 = Extensor Carpi Ulnaris • 3 for the thumb o Abductor Pollicis Longus o Extensor Pollicis Brevis o Extensor Pollicis Longus • 2 up top for fun o Anconeus o Suppinator Name the borders and contents of the anatomical snuff box: 6. Muscles of the hand 2...
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  • Fall '10
  • SamuelDemons
  • Muscles of the upper limb, Extensor Pollicis Brevis, Extensor Carpi Radialis, Extensor Carpi Ulnaris, Extensor Carpi Radialis Longus, Extensor Carpi Radialis Brevis

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ANAT 1615 Upper Extremity Notes - Median n • Third layer...

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