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E. Muscles moving the wrist hands and fingers 1. Anterior muscles a. Superficial 1. Flexor carpii radialis- flexes and abducts wrist a. Originates from.

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Presentation on theme: "E. Muscles moving the wrist hands and fingers 1. Anterior muscles a. Superficial 1. Flexor carpii radialis- flexes and abducts wrist a. Originates from."— Presentation transcript:

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2 E. Muscles moving the wrist hands and fingers 1. Anterior muscles a. Superficial 1. Flexor carpii radialis- flexes and abducts wrist a. Originates from medial epicondyle of humerus b. Inserts at 2 and 3 metacarpals

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4 2. Flexor carpi ulnaris- flexes and adducts wrist a. Originates from medial epicondyle of humerus and upper posterior border of the ulna b. Inserts at the pisiform, hamate, and 5 th metacarpal

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6 3. Flexor digitorum superficialis- flexes middle phalanges of each finger a. Origin is medial epicondyle of humerus coronoid process and lateral margin of anterior of radius b. Inserts at middle phalanges

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8 b. Deep muscles 1. Flexor pollicis longus- flexes thumb a. Originates from anterior surface of radius and interosseous membrane (holds radius and ulna together) b. Inserts at base of distal phalanx of thumb

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10 2. Posterior group a. Superficial 1. Extensor carpi radialis longus and brevi- extend and abduct wrist a. Origin is lateral epicondyle of humerus b. Inserts at 2 and 3 metacarpal 2. Extensor digitorum- extends phalanges a. Origin is lateral epicondyle of humerus b. Insert at 2-5 distal and middle phalanges c. Little finger separately controlled

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12 b. Deep 1. Extensor pollicis brevis and longus- extend thumb and abduct wrist a. Originate form posterior surface of radius ( brevis) and ulna (longus) b. Insert at bases of proximal (brevis) and distal (longus) phalanx of the thumb

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