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Comparative Anatomy I > Quiz 1 Lab > Flashcards

Quiz 1 Lab Flashcards

1
Q

What are the attachements of the cutaneous trunci?

A

The superficial fascia of the trunk and skin.

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2
Q

What are the origin, insertion and action of the supreficial perctorals?

A

transverse part of the superficial perctoral m.: First sternebra to the crest of the greater tubercle

descending part of the superficial pectoral m.: First 2-3 sternebrae to the crest of the greater tubercle

action: adduct the limb

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3
Q

What are the origin, insertion, and action of the deep perctoral?

A

origin: ventral part of sternum
insertion: lesser tubercle of humerous, aponeurosis to greater tubercle
action: Draws the limb caudally, flexes the shoulder, and adducts the limb

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4
Q

What are the origin, insertion, and action of the brachiocephalicus?

A

cleidocephalicus: clavicular intersection to the cranial mid-dorsal raphe/nuchal crest of the occipital bone and the mastoid part of the temporal bone
cleidobrachialis: clavicular intersection to the cranial border of the humerous
action: advance the limb, extend the shoulder, and draw the head and neck to the side

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5
Q

What are the insertion and action of the omotransversarius?

A

insertion: spine of scapula
action: advances the limb or flexes the neck laterally

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6
Q

What are the insertion and action of the trapezius?

A

insertion: spine of the scapula
action: elevates and abducts the forelimb

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7
Q

What are the origin, insertion, and action of the latissimus dorsi?

A

origin: the thoracolumbar fascia from L1-7 and T6-13 and muscularly the last 2-3 ribs
insertion: the teres major tuberosity and teres major tendon
action: moves the limb caudally and flexes the shoulder joint

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8
Q

What are the origin, insertion, and action of the serratus ventralis?

A

origin: the transverse processes of C3-7 and ribs 1-7/8
insertion: the dorsal medial part of the scapula.
action: supports the trunk and suppresses the scapula

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9
Q

What is the carotid sheath?

A

Deep fascia that surrounds the common carotid artery, vagosympathetic trunk, internal jugular vein, and tracheal lymphatic trunk

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10
Q

Define median raphe.

A

The groove where two identical halves of a structure (left and right bones) have fused

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11
Q

What is the insertion and action of the infraspinatous?

A

insertion: lateral side of greater tubercle
action: can flex or extend the joint, depending on its angle, abducts the shoulder and rotates the humerous laterally. Stabilize the joint as a collateral ligament

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12
Q

What is the action of the deltoideus?

A

Flexes the shoulder

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13
Q

What is the action of the rhomboideus?

A

Elevates the forelimb and adducts the scapula

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14
Q

What is the action of the teres minor?

A

Flexes the shoulder, rotates it laterally

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15
Q

What are the insertion and action of the supraspinatous?

A

insertion: the greater tubercle via a tendon
action: extends and stabilizes the shoulder joint

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16
Q

What are the insertion and action of the subscapularis?

A

insertion: lesser tubercle
action: adducts, extends, and stabilizes the shoulder joint. Rotates it medially

17
Q

What is the action of the teres major?

A

Flexes the shoulder joint, rotates it medially

18
Q

What is the action of the coracobrachialis?

A

Adducts, extends, and stabilizes the shoulder joint

19
Q

What is the action of the tensor fasciae antibrachii?

A

Extends the elbow joint

20
Q

What are the origin, insertion, and action of the triceps brachii?

A

long head: caudal border of the scapula

lateral head: tricipital line of the humerous

accessory head: the neck of the humerous

medial head: crest of the lesser tubercle

ALL INSERT ON the olecranon

action: extend the elbow joint

21
Q

What is the action of the anconeus?

A

Extends the elbow joint

22
Q

What are the origin, insertion, and action of the biceps brachii?

A

origin: the superglenoid tubercle
insertion: the ulnar and radial tuberosities
action: flexes the elbow joint and extends the shoulder joint

23
Q

What are the origin, insertion, and action of the brachialis?

A

origin: lateral surface of the humerous
insertion: the ulnar and radial tuberosities.
action: flexes the elbow joint

24
Q

What are the origin, insertion, and action of the extensor carpi radialis?

A

origin: lateral supracondylar crest
insertion: the tuberosities on the dorsal side of metacarpals II and III
action: extends the carpal joints

25
Q

What are the origin, insertion, and action of the common digital extensor?

A

origin: lateral epicondyle of the humerous
insertion: extensor processes of the distal phalanges of digits II, III, IV, and V
action: extends the joints of those digits and the carpus

26
Q

What are the origin, insertion, and action of the lateral digital extensor?

A

origin: lateral epicondyle of the humerous
insertion: proximal parts of all phalanges of III, IV, and V
action: extends the carpal joints and digits III, IV, and V

27
Q

What is the action of ulnaris lateralis?

A

abducts the manus and flexes the carpal joints

28
Q

What is the action of the supinator?

A

supinates the forarm, flexes the elbow joint

29
Q

What is the action of the abductor digit I longus?

A

abducts the first digit, extends the carpal joints

30
Q

What is the action of the pronator teres?

A

pronates the forearm, flexes the elbow

31
Q

What are the origin, insertion, and action of the flexor carpi radialis?

A

origin: medial epicondyle of the humerous and medial border of the radius
insertion: palmar side of metacarpals II and III
action: flexes the carpal joints

32
Q

What are the origin, insertion, and action of the superficial digital flexor?

A

origin: medial epicondyle of the humerous
insertion: palmar surface of the middle phalanges of digits II, III, IV, V
action: flexes the carpal, metacarpophalangeal, and proximal interphalangeal joints of digits II, III, IV and V

33
Q

What are the origin, insertion, and action of the flexor carpi ulnaris?

A

ulnar head origin: olecranon
humeral head origin: medial epicondyle of the humerous

insertion: accessory carpal bone
action: flexes the carpus

34
Q

What are the origin, insertion, and action of the deep digital flexor?

A

humeral head origin: medial epicondyle of the humerous
ulnar head origin: caudal border of the ulna
radial head origin: medial border of the radius

insertion: the flexor tubercle on the palmar surface of the distal phalanx of all digits
action: flexes the carpal, metaphalangeal, and the proximal and distal interphalangeal joints of the digits

35
Q

What is the action of the pronator quadratus?

A

pronates the paw

36
Q

What is the flexor retinaculum?

A

Ligament that covers the flexor muscles near the carpal joints and keeps them in place

37
Q

What is the extensor retinaculum?

A

Ligament that covers the extensor muscles near the carpal joints and keeps them in place

Comparative Anatomy I (2 decks)

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