Cat & Comparative Muscle Anatomy Review

Vocabulary terms and definitions covering mammalian and cat muscular anatomy across the pectoral, abdominal, back, shoulder, neck, forelimb, and hindlimb regions based on the Kahoot quiz questions.

Pectoantebrachialis

The thin, most cranial strip chest muscle.

Pectoralis major

Chest muscle that lies immediately caudal to the pectoantebrachialis.

Pectoralis minor

Broad chest muscle that lies caudal to the pectoralis major.

Xiphihumeralis

Narrow chest muscle that lies along the caudal edge of the pectoralis minor.

Linea alba

The white connective tissue midline running between the abdominal muscles.

Transversus abdominis

Abdominal muscle possessing transverse fibers located in the deepest illustrated layer.

Rectus abdominis

Long abdominal muscle that lies directly beside the linea alba.

External abdominal oblique

Superficial muscle covering the lateral abdominal wall.

Rectus sheath

The fibrous covering labeled over the rectus abdominis region.

Clavotrapezius

Subdivision of the trapezius group located closest to the head.

Acromiotrapezius

Subdivision of the trapezius group situated between the clavotrapezius and spinotrapezius.

Spinotrapezius

The most caudal subdivision of the trapezius group.

Latissimus dorsi

Broad back muscle situated caudal to the trapezius muscle group.

Levator scapulae ventralis

Shoulder muscle positioned cranial to the acromiodeltoid.

Acromiodeltoid

Deltoid subdivision associated with the acromion.

Spinodeltoid

Deltoid subdivision associated with the scapular spine.

Clavobrachialis

Named muscle running from the neck region toward the upper forelimb.

Supraspinatus

Rotator cuff muscle located superior/above the scapular spine.

Infraspinatus

Rotator cuff muscle located inferior/below the scapular spine.

Subscapularis

Rotator cuff muscle covering the subscapular/anterior surface of the scapula.

Teres minor

A rotator cuff muscle acting on the shoulder joint.

Masseter

Prominent muscle located at the lateral side of the jaw.

Mylohyoid

Broad muscle that forms the floor of the mouth between the digastric muscles.

Digastric

Paired muscle lying adjacent to the mylohyoid beneath the jaw.

Sternohyoid

Narrow strap muscle of the neck running along the ventral midline.

Sternomastoid

Neck muscle positioned medial to the cleidomastoid.

Cleidomastoid

Neck muscle situated lateral to the sternomastoid.

Medial head of triceps brachii

Triceps head described as mostly hidden deep to the lateral head.

Triceps brachii

Upper forelimb muscle composed of long, lateral, and medial heads.

Biceps brachii

Muscle labeled along the ventral surface of the upper forelimb.

Brachioradialis

Slender muscle located near the lateral elbow and forearm.

Extensor digitorum communis

Lower forelimb muscle also designated as the common digital extensor.

Clavodeltoid

Deltoid subdivision labeled near the cranial aspect of the upper forelimb.

Biceps femoris

Large lateral thigh muscle lying caudal to the quadriceps region.

Vastus lateralis

Quadriceps component situated on the lateral thigh.

Caudofemoralis

Thigh muscle labeled immediately caudal to the gluteus maximus.

Gluteus medius

Hip/gluteal muscle positioned cranial to the gluteus maximus.

Semitendinosus

Long muscle running along the caudal thigh alongside the biceps femoris.

Gracilis

Broad superficial muscle situated on the medial surface of the thigh.

Sartorius

Straplike muscle labeled along the cranial aspect of the thigh.

Adductor longus

Muscle located on the proximal medial thigh beside the gracilis.

Gastrocnemius

Prominent superficial muscle found on the caudal lower hindlimb.

Tibialis anterior

Lower hindlimb muscle located along the anterior shin.

Soleus

Small calf muscle located deep/beside the gastrocnemius.

Plantaris

Calf muscle represented by the letter 'P' in the anatomical mnemonic GPS.

Achilles tendon

Major tendon labeled near the distal calf and heel.