Test 1 Canine Thoracic Limb Flashcards
What makes up the thoracic girdle?
Scapula and clavicle
What makes up the shoulder of a dog?
Glenohumeral joint
How is The weight of the head, neck, and
cranial aspect of the trunk is
transferred to the thoracic limb?
via the serratus ventralis and pectoral mm.
What percent of the weight of the animal
is transferred to the thoracic limb
when standing?
60%
How is the thoracic limb connected to the body?
By the extrinsic muscles ( synsarcosis)
Where does the flexors of the carpus and digits originate?
From the medial epicondyle of the humerus
What makes up the flexor carpi ulnaris?
Ulnar head and humeral head
What does the digital flexor muscle pass through?
A carpal canal
What are the boundaries of the carpal canal?
Dorsal border
Lateral border
Palmer border
Palmer carpal ligament
Dorsal border of carpal canal
Accessory carpal bone
Lateral border of carpal canal
Flexor retinaculum
Palmer border of the carpal canal
In cats what are the dorsal ligaments important for?
Claw retraction
What phase: Foot contacts the ground - braking -Propulsion -Weight bearing
Stance phase
What phase:
Limb is propelled through the air ( no ground contact )
Swing phase
Which muscles extend the glenohumeral joint (shoulder)?
BISSCB:
1) Biceps brachii
2) infraspinatus
3) supraspinatus
4) subscapularis
5) Coracobrachialis
6) Brachiocephalicus
Which muscles rotate the glenohumeral joint laterally?
1) Supraspinatus
2) infraspinatus
3) Teres minor
Which muscles rotate the glenohumeral joint medially?
1) Subscapularis
2) Teres major
3) Coracobrachialis
Which muscles keep the humeroradioulnar joint extended?
Triceps brachii
Anconeous
Tensor fasciae antebrachii
What are the extensors of the carpus and digits?
1) Extensor carpi Radialis
2) Common digital extensor
3) Lateral digital extensor
4) Abductor Digit 1 longus
What are the flexors of the carpus and digits?
1) Ulnaris lateralis
2) Flexor Carpi Radialis
3) Flexor Carpi Ulnaris
4) Superficial Digital Flexor
5) Deep Digital Flexor
Stance phase: What muscles stabilize limb to body wall?
Serratus ventralis
Superficial and deep pactoral
Trapezius
Rhomboideus
Stance phase:
Which muscles the shoulder?
Supraspinatus Infraspinatus Subscapularis Teres major and minor Coracobrachialis Biceps brachii
Stance phase:
What muscles extend the elbow?
Triceps brachii
Anconeous
Tensor fasciae antebrachii
