Muscles Flashcards

1
Q

Triceps brachii m.

A

O: 4 heads –> long, lateral, medial & accessory
I: olecranon of ulna
A: extends elbow
radial n.

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2
Q

Tensor fascia antebrachii m.

A

O: latissimus dorsi m.
I: olecranon of ulna
A: extends elbow
radial n.

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3
Q

Anconeus m.

A

O: condylar crest of humerus
I: olecranon of ulna
A: extends elbow
radial n.

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4
Q

Biceps brachii m.

A

O: supraglenoid tubercle of scapula
I: proximal radius & ulna
A: flexes elbow
musculocutaneous n.

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5
Q

Brachialis m.

A

O: caudal humerus
I: proximal radius & ulna
A: flexes elbow
musculocutaneous n.

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6
Q

Extensor carpi radialis m.

A

O: distal humerus
I: dorsal metacarpus II & III
A: extends carpus
radial n.

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7
Q

Ulnaris lateralis m. / Extensor carpi ulnaris m.

A

O: lateral epicondyle
I: metacarpal V & accessory carpal
A: extensor of carpus when weight bearing, otherwise flexor
radial n.

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8
Q

Common digital extensor m.

A

O: lateral epicondyle
I: P3 of digits II-V
A: extends digits
radial n.

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9
Q

Lateral digital extensor m.

A

O: lateral epicondyle
I: phalanges of digits III-V
A: extends digits
radial n.

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10
Q

Abductor pollicis longus m. / Extensor carpi obliquus m.

A

O: radius
I: metacarpal I
A: abducts digit I
radial n.

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11
Q

Supinator m.

A

O: lateral epicondyle
I: proximal radius
A: supinates paw
radial n.

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12
Q

Flexor carpi radialis m.

A

O: medial epicondyle
I: palmar metacarpal bone
A: flexes carpus
median n.

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13
Q

Flexor carpi ulnaris m.

A

O: 2 heads –> olecranon & medial epicondyle
I: accessory carpal bone
A: flexes carpus
ulnar n.

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14
Q

Superficial digital flexor m.

A

O: medial epicondyle
I: palmar P2 of digits
A: flexes digits
mediam n.

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15
Q

Deep digital flexor m.

A

O: 3 heads –> radius & ulna & medial epicondyle
I: palmar P3 of digits
A: flexes digits
median & ulnar nn.

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16
Q

Pronator teres m.

A

O: medial epicondyle
I: proximal radius
A: pronates paw & flexes elbow
median n.

17
Q

Pronator quadratus m.

A

O: ulna
I: radius
A: pronates paw
median n.

18
Q

Interossi m.

A

O: proximal palmar metacarpal bones II-V
I: P1
A: flex metacarpophalangeal joint + weight bearing
ulnar n.