VTEC.2091 - Practical 2a: Musculature of the Feline Upper Body

Platysma

this muscle serves to twitch the skin to avoid irritants, specifically on the neck

Cutaneous maximus

this muscle serves to twitch the skin to avoid irritants, especially on the trunk of the body

Digastric

muscle that serves to depress the mandible

Masseter

muscle that serves to elevate the mandible

Temporalis

muscle that acts with the masseter to elevate the mandible

Pectoantebrachialis

muscle that acts with the superficial muscles of the ventral chest to rotate the forelimb and to draw the forelimb toward the chest

Pectoralis major

muscle that acts with the superficial muscles of the ventral chest to rotate the forelimb and to draw the forelimb toward the chest

Pectoralis minor

muscle that acts with the superficial muscles of the ventral chest to rotate the forelimb and to draw the forelimb toward the chest

Xiphihumeralis

muscle that acts with the superficial muscles of the ventral chest to rotate the forelimb and to draw the forelimb toward the chest

Clavobrachialis

muscle that works together with the clavotrapezius in the forward extension of the humerus (running) and assists in turning the head and flexing the elbow

Clavotrapezius

muscle that works together with the clavobrachialis in the forward extension of the humerus (running) and assists in turning the head and flexing the elbow

Levator scapulae ventralis

muscle that serves to draw the scapula cranially

Acromiotrapezius

muscle that works together with the spinotrapezius to hold the scapulae together

Spinotrapezius

muscle that works together with the acromiotrapezius to hold the scapulae together; draws the scapula caudally

Acromiodeltoid

muscle that works together with the spinodeltoid to raise and rotate the humerus

Spinodeltoid

muscle that works together with the acromiodeltoid to raise and rotate the humerus

Latissimus dorsi

muscle that serves to pull the forelimb dorsally and caudally

Triceps brachii

muscle that serves to extend the elbow

Triceps brachii long head

Triceps brachii medial head

Triceps brachii lateral head

Biceps brachii

muscle that serves to stabilize the shoulder joint and flex the elbow

Brachialis

muscle that works together with the biceps brachii to flex the elbow

Sternomastoid

muscle that works together with the clavotrapezius in effecting movements of the head and forelimb

Sternohyoid

muscle that serves to draw the hyoid bone caudally

Rhomboideus

muscle that serves to draw the scapula forward and toward the mid-dorsal line

Rhomboideus capitis

muscle that serves to assist in rotation of the scapula

Splenius

muscle that serves to turn or raise the head

Supraspinatus

muscle that serves to draw the humerus cranially

Infraspinatus

muscle that serves to laterally rotate the humerus

Teres major

muscle that serves to rotate the humerus and draw it caudally

Subscapularis

muscle that serves to adduct the humerus

Serratus ventralis

muscle that serves to suspend the thorax

External and internal intercostals

muscles that serve to draw the ribs together during respiration

Parotid salivary gland

Submaxillary salivary gland