Gross II - Zumpano fall 2010
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| Spinal level of upper lateral brachial cutaneous n | C5 (from axillary n)
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| Spinal level of intercostobrachial n | T2
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| Spinal level of medial brachial cutaneous n | C8, T1
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| Spinal level lower lateral brachial cut n. | C5, C6 (from radial n)
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| Spinal level Medial antebrachial cutaneous n | C8, T1
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| Spinal level of posterior antebrachial cutaneous n. | C6,7,8 (from radial)
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| Spinal level of lateral antebrachial cutaneous | C5,6
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| Spinal level of supraclavicular n | C3,4
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| Spinal level of posterior brachial cutaneous n | C8, T1 (from radial)
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| Origin of long head of biceps | Supraglenoid tubercle of scap
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| Origin of short head of biceps | Coracoid process of scapula
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| Insertion of biceps | Radial tuberosity
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| Innervation of biceps | Musculocutaneous n.
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| Spinal levels of biceps | C6
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| Actions of biceps | Flexes forearm, supination at 90
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| Origin of coracobrachialis | Coracoid process of scap
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| Innervation of coracobrachialis | Musculocutaneous n.
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| Insertion of coracobrachialis | Medial surface of middle humerus
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| Spinal level of coracobrachialis | C6
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| Action of coracobrachialis | Flexes & adducts humerus at glenohumeral joint
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| Origin of brachialis | Distal half of anterior humerus
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| Insertion of brachialis | Ulnar tuberosity and anterior surface of coronoid process
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| Innervation of brachialis | Musculocuteous n.
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| Spinal level of brachialis | C6
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| Action of brachialis | Flexes forearm at elbow in any position
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| Peripheral entrapment sites for musculocutaneous n. | Coracobrachialis and brachialis
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| Symptoms of entrapment of musculocutaneous n | Forearm flexion and supination weakness. Paresthesia on C6 dermatome
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| Peripheral entrapment sites for lateral antebrachial cutaneous n. | Biceps and brachialis
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| Symptom of Peripheral entrapment of lateral antebrachial cutaneous n. | Paresthesia
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| Axillary artery --> ________ --> _________ & ________ | Brachial, radial, ulnar
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| What branches off brachial artery? | Province brachii, superior & inferior ulnar collateral
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| What anastomoses with radial collateral a.? | Radial recurrent a.
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| What anastomoses with superior ulnar collateral a. | Posterior ulnar recurrent a.
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| What anastomoses with inferior ulnar collateral a.? | Anterior ulnar collateral a.
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| Ulnar a. --> ________ --> _________&_________ | Common interosseous a., post & ant interosseous a
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| Post & ant ulnar recurrent a. Come off of? | Ulnar a
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| Origin of long head of triceps | Infraglenoid tubercle of scap
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| Origin of lateral head of triceps | posterolateral surface of humerus and lateral intermuscular septum
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| Origin of medial head of triceps | Postermedial surface of humerus and medial intermuscular septum
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| Insertion of triceps | Olecranon process of ulna
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| Innervation of triceps | Radial n.
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| Spinal levels of triceps | C7, C8
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| Actions of triceps | Extends forearm at elbow; long head stabilizes glenohumeral joint & extends the humerus at glenohumeral joint
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| Basilic vein travels with what nerve? | Medial antebrachial cutaneous n.
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| Cephalic vein travels with what nerve? | Lateral antebrachial cutaneous
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| What are the boundaries of the CUBITAL FOSSA? (floor, roof, lateral & medial borders) | Floor = brachialis tendon; Roof = Bicepital aponeurosis; Lateral border = Brachioradialis; Medial border = Pronator Teres
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