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Mawad
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Pronator teres
- Origin- Medial epicondyle (humerus)
- Insertion-The medial border of the radius b/w the proximal and middle thirds.
- Action-Pronation; to flex the elbow.
- Innervation- Median nerve.
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Flexor carpi radialis
- Origin- The medial epicondyle (humerus); the medial border of the radius.
- Insertion- The palmer side of the base of metacarpals I and II.
- Action- To flex the carpus.
- Innervation- Median nerve.
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Superficial digital flexor
- Origin- The medial epicondyle (humerus).
- Insertion- The palmar surface of the proximal end of the middle phalanges of digits II-V.
- Action- To flex the carpal, metacarpophalangeal, and proximal joints of digits II-V.
- Innervation- Median nerve.
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Flexor carpi ulnaris
- Origin- Ulnar head (the caudal border and medial surface of the olecranon); the medial epicondyle (humerus).
- Insertion- The accessory carpal bone.
- Action- To flex the carpus.
- Innervation- Ulnar nerve.
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Deep digital flexor
- Origin- The medial epicondyle (humerus); the ulnar head (proximal 3/4 of caudal border); the radial head (middle third of the medial border).
- Insertion- The flexor tubercle on the palmer surface of the distal phalanx of each digit.
- Action- To flex the carpal and metacarpophalangeal joint and the proximal and distal interphalangeal joints.
- Innervation- Median and ulnar nerves.
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Pronator quadratus
- Attachments- The apposed surfaces of the radius and ulna.
- Action- To pronate the paw.
- Innervation- Median nerve.
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