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Module 7 > Muscle and tendons of the distal limb > Flashcards

Muscle and tendons of the distal limb Flashcards

1
Q

Where is the O and I of the extensor carpi radialis muscle?

A

O- lateral epicondyle of the humerus
I- Metacarpal bones

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2
Q

Where is the extensor carpi radialis muscle located?

A

Cranial aspect of the antebrachium

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3
Q

What is the function of the extensor carpi radialis muscle?

A

Carpal extensor
(crosses dorsal aspect of the carpus)

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4
Q

What nerve supplies the extensor carpi radialis muscle?

A

Radial nerve

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5
Q

What muscle crosses over the extensor carpi radialis muscle and is a useful landmark that can be used to identify it?

A

Oblique muscle

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6
Q

Where is the O and I of the common digital extensor muscle (CDE) located?

A

O- lateral epicondyle of the humerus
I- All digits

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7
Q

What part of the distal phalanx does the CDE insert onto?

A

Extensor process

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8
Q

Where is the CDE located?

A

Cranio-lateral aspect of the antebrachium

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9
Q

What is the function of the CDE?

A

Carpal extensor
Digital extensor

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10
Q

What nerve supplies the CDE?

A

Rdaial nerve

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11
Q

How many branches does the CDE tendon have in the dog?

A

4 (+1 to the dew claw)

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12
Q

How many branches does the CDE tendon have in the horse?

A

1

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13
Q

What protects the CDE tendon in the horse?

A

Joint capsules (bursae)

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14
Q

What ligaments branches does the CDE recieve?

A

Suspensory ligament

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15
Q

Where is the O and I of the extensor carpi ulnaris/ ulnaris lateralis muscle?

A

O- lateral epicondyle of humerus
I- metacarpal bone and ACB

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16
Q

Where is the extensor carpi ulnaris located?

A

Lateral aspect of antebrachium

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17
Q

What is the function of the extensor carpi ulnaris?

A

Carpus extensor
AND
CARPUS FLEXOR! (ACB)

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18
Q

What nerve supplies the extensor carpi ulnaris?

A

Radial nerve

19
Q

What is the O and I of the flexor carpi ulnaris muscle?

A

O- medial epicondyle of humerus + olecranon process of ulna
I- ACB

20
Q

How many heads does the flexor carpi ulnaris have?

A

2
(2 origins)

21
Q

Where is the flexor carpi ulnaris muscle located?

A

Caudal aspect of the antebrachium

22
Q

What is the function of the flexor carpi ulnaris muscle?

A

Carpal flexor

23
Q

What nerves supply the flexor carpi ulnaris muscle?

A

Median and ulnar nerves

24
Q

Where is the O and I of the superficial digital flexor muscle?

A

O- medial epicondyle
I- All digits (middle phalanx)

25
Q

Where is the superficial digital flexor muscle located?

A

Caudal aspect of the limb

26
Q

What is the function of the superficial digital flexor muscle?

A

Carpal flexor
Digital flexor

27
Q

Where nerves supply the superficial digital flexor muscle?

A

Median and ulnar nerves

28
Q

How many branches the SDFT have in the dog?

A

4 (+1 dew paw)

29
Q

How many branches does the SDFT have in the horse?

A

1

30
Q

What ligament is associated with the SDFT in the horse?

A

ACL (accessory check ligament)

31
Q

What is the purpose of the accessory check ligament?

A

Limits length of tendon/ protects muscle belly

32
Q

Where is the ACL associated with the SDFT located?

A

proximal to carpus

33
Q

Why does the SDFT split distally?

A

Allows passage of DDFT which inserts into the distal phalanx
(SDFT- middle phalanx)

34
Q

Where is the O and I of the deep digital flexor muscle?

A

O- medial epicondyle, radius and ulna
I - all digits (palmar processs of distal phalanx)

35
Q

Where is the deep digital flexor muscle located?

A

Caudal aspect of the limb

36
Q

What is the function of the deep digital flexor muscle?

A

Carpal flexor
Digital flexor

37
Q

What nerves supply the deep digital flexor muscle?

A

Median and ulnar nerves

38
Q

What part of the limb do the deep digital flexor tendons insert into?

A

Palmar aspect of the limb

39
Q

What ligament does the Deep digital flexor tendon recieve?

A

Accessory check ligament (ACL)

40
Q

Where is the ACL associated with the DDFT located?

A

distal to the carpus

41
Q

What nerves supply the flexors of the distal limb?

A

Median and ulnar nerves

42
Q

What nerve supplies the extensors of the distal limb?

A

Radial nerve

43
Q

What O do all extensors of the distal limb have?

A

Lateral epicondyle of the humerus

44
Q

What O do all flexors of the distal limb have?

A

Medial epicondyle of humerus

Module 7 (10 decks)

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