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13 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Which muscles are the pronators? |
Pronator teres m.
Pronator quadratus m. |
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Pronator teres m. |
Pronator teres m.
O: medial epicondyle of the humerus I: medial border of the radius btwn proximal & middle thirds N: Median n. A: Pronation of antebrachium (1) Flexion of elbow (2) |
Pronator teres m. |
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Flexor carpi radialis m. |
Flexor carpi radialis m.
O: medial epicondyle of humerus & medial border of the radius I: Palmar side of the base of metacarpals II & III N: Median n. A: Fleion of the carpus |
Flexor carpi radialis m. |
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Flexor retinaculum |
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Superficial digital flexor m. |
Superficial digital flexor m.
O: medial epicondyle of humerus I: palmar surface of proximal end of middle phalanges of digits 2-5 N: Median n. A: Flexion of carpus (1) Flexion of metacarpophalangeal jt (2) " " proximal interphalangeal jts of digits 2-5 (3) |
Superficial digital flexor m. |
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Flexor manica
superficial digital flexor (SDF) forms a sleeve for DDF to pass through |
Flexor manica |
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Palmar annular ligaments
located superficial to flexor manica @ level of metacarpophalangeal joints
hold SDF & DDF in place |
Palmar annular ligaments |
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Flexor carpi ulnaris m. |
Flexor carpi ulnaris m.
O: Ulnar head: caudal border & medial surface of olecranon (dog); lateral surface (cat) Humeral head: medial epicondyle of humerus I: accessory carpal bone N: Ulnar n. A: flexion of the carpus |
Flexor carpi ulnaris m. |
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Deep digital flexor m. |
Deep digital flexor m.
O: humeral: medial epicondyle of humerus ulnar: proximal 3/4 of caudal border of ulna radial head: middle 1/3 of med. bord. radius I: palmar surface of distal phalnax of digits 1-5 N: Median & ulnar nn. A: Flexion of carpus (1) Flexion of metacarpophalangeal & proximal & distal interphalangeal joints of digits 1-5 (2) |
Deep digital flexor m. |
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Carpal canal: 1. flexor retinaculum 2. Accessory carpal bone (=lateral boundary) 3. Palmar carpal ligament |
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Annular digital ligaments (proximal & distal)
Hold DDF & SDF tendons in place |
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Pronator quadratus m. |
Pronator quadratus m.
attachments: apposed surfaces of radius & ulna N: Median n. Action: pronation of antebrachium |
Pronator quadratus m. |
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Interossi m. |
Interossi mm. (4 muscles)
O: base of metacarpals II-V & carpal jt. capsule I: base of proximal phalanges proximal palmar sesamoid bones common digital extensor tendon via extensor branch N: Ulnar n. A: flexion of metcarpophalangeal jts 2-5 (1) stabilization of metacarpophalangeal joints 2-5 during weight bearing |
Interossi mm. |
