PRAC.16 Flashcards
carpal and digital flexors of the forelimb - - nerves blood supply of the forearm

M. pronator teres (ØEq)
Origin: Epicondylus medialis of humerus
Insertion: Medial surface of radius
Action: Pronate forearm
Innervation: N. medianus
Blood supply:
- A. interossea caudalis
- A. transversa cubiti

M. supinator
Origin: Epicondylus lateralis of humerus
Insertion: Proximal radius
Action: Supinates forearm
Innervation: N. radialis
Blood supply: A. interossea cranialis

M. flexor carpi radialis
Origin: Epicondylus medialis of humerus
Insertion: Mc. II-III
Action: Flex carpus
Innervation: N. medianus
Blood supply: A. profunda antebrachii

M. flexor digitorum superficialis
Origin: Epicondylus medialis of humerus
Insertion: Middle phalanx, digits II-V
Action: Flex carpus and joints of digits II-V
Innervation: N. ulnaris et medianus
Blood supply: A. profunda antebrachii

M. flexor carpi ulnaris, caput ulnare
Origin: Medial olecranon
Insertion: Accessory carpal bone
Action: Flex carpus
Innervation: N. medianus
Blood supply:
- A. profunda antebrachii
- A. ulnaris (Ca)

M. flexor carpi ulnaris, caput humerale
Origin: Epicondylus medialis of humerus
Insertion: Accessory carpal bone
Action: Flex carpus
Innervation: N. medianus
Blood supply:
- A. profunda antebrachii
- A. ulnaris (Ca)

M. pronator quadratus
Origin: Radius
Insertion: Ulna
Action: Pronate forearm
Innervation: N. medianus
Blood supply: A. interossea caudalis

M. flexor carpi ulnaris, caput humerale
Origin: Epicondylus medialis of humerus
Insertion: Accessory carpal bone
Action: Flex carpus
Innervation: N. medianus
Blood supply:
- A. profunda antebrachii
- A. ulnaris (Ca)

M. flexor carpi ulnaris, caput ulnare
Origin: Medial olecranon
Insertion: Accessory carpal bone
Action: Flex carpus
Innervation: N. medianus
Blood supply:
- A. profunda antebrachii
- A. ulnaris (Ca)

M. flexor digitorum superficialis
Origin: Epicondylus medialis of humerus
Insertion: Middle phalanx, digits II-V
Action: Flex carpus and joints of digits II-V
Innervation: N. ulnaris et medianus
Blood supply: A. profunda antebrachii

M. pronator teres (ØEq)
Origin: Epicondylus medialis of humerus
Insertion: Medial surface of radius
Action: Pronate forearm
Innervation: N. medianus
Blood supply:
- A. interossea caudalis
- A. transversa cubiti

M. flexor digitorum profundus, caput humerale
Origin: Epicondylus medialis of humerus
Insertion: Distal phalanx of digits I-V
Action: Flex carpus and joints of digits I-V
Innervation: N. ulnaris et medianus
Blood supply: A. ulnaris

M. flexor digitorum profundus, caput ulnare
Origin: Ulna
Insertion: Distal phalanx of digits I-V
Action: Flex carpus and joints of digits I-V
Innervation: N. ulnaris
Blood supply: A. ulnaris

M. flexor digitorum profundus, caput radiale
Origin: Radius
Insertion: Distal phalanx of digits I-V
Action: Flex Carpus and Joints of Digits I-V
Innervation: N. ulnaris
Blood supply: A. ulnaris
List the nerves that supply the carpal and digital flexors of the forelmib
-
Nervi medianus
- Rami musculares
-
Nervi ulnaris
- Nervi cutaneous antebrachii caudalis
- Rami musculares
- Ramus dorsalis
- Ramus palmaris
List the blood supply of the forelimb
- A. profunda brachii
- A. bicipitalis
- A. collateralis ulnaris
- A. brachialis superficialis
- A. transversa cubiti
-
A. interossea communis
- A. interossea cranialis
- A. interossea caudalis
- A. ulnaris
-
A. mediana
- A. radialis

Median Artery
- Forms superficial palmar arch

Common Interosseous Artery
- Name
- Supplying muscles

Ulnar artery
- M. flexor digitorum profundus (ulnar + humeral heads)
- M. flexor carpi ulnaris
- Name
- Supplying muscles

Deep antebrachial artery
- M. flexor carpi radialis
- M. flexor carpi ulnaris
- M. flexor digitorum profundus
- M. flexor digitorum superficialis
- Name
- Supplying muscles

Cranial interosseous artery
- Supplies lateral and cranial antebrachial muscles
- Name
- Supplying vessels

Radial artery
- Palmar carpal branches
- Dorsal carpal branches

Caudal Interosseous Artery

N. medianus
- Name
- Innervation

N. ulnaris
- Sensory - Palmar surface of forepaw
- Motor - Intrinsic muscles of forepaw
1

A. brachialis
2
- Name
- Supplying muscles

A. collateralis ulnaris
- M. triceps brachii
3
- Name
- Innervation

N. ulnaris
- Sensory - Palmar surface of forepaw
- Motor - Intrinsic muscles of forepaw
4

A. interossea communis
5
- Name
- Supplying muscles

Deep antebrachial artery
- M. flexor carpi radialis
- M. flexor carpi ulnaris
- M. flexor digitorum profundus
- M. flexor digitorum superficialis
6

A. mediana
- Forms superficial palmar arch

M. flexor carpi radialis
Origin: Epicondylus medialis of humerus
Insertion: Mc. II-III
Action: Flex carpus
Innervation: N. medianus
Blood supply: A. profunda antebrachii

M. flexor digitorum superficialis
Origin: Epicondylus medialis of humerus
Insertion: Middle phalanx, digits II-V
Action: Flex carpus and joints of digits II-V
Innervation: N. ulnaris et medianus
Blood supply: A. profunda antebrachii

M. flexor digitorum profundus
Origin: Various
Insertion: Distal phalanx of digits I-V
Action: Flex Carpus and Joints of Digits I-V
7

A. brachialis
8
- Name
- Innervation

N. medianus
- Digital flexors
9

N. ulnaris et cutaneus antebrachii caudalis