Cat anatomy exam

External Oblique

Abdominal Wall

Internal Oblique

Abdominal Wall, immediately deep to external oblique

Rectus abdominis

Abdominal Wall, on both sides of linea alba, next to external oblique but fibers run up and down

Transversus abdominis

Abdominal wall, deep to internal oblique, fibers run transversely across abdomen

Linea alba and rectus sheath

Abdominal wall, linea alba is line down middle, rectus sheath

Pectoralis major

superficial chest, fibers run at right angles

pectoralis minor

superficial chest, below pec major, also larger than pec major, steeper fiber angles

xiphihumeralis

superficial chest, below pec minor, but fibers are fused to it. can only identify because it is lower

pectoantebrachialis

superficial chest, thin muscle that lies over the pec major

serratus ventralis

deep muscles of chest, “fingerlike,”

scalenes (middle)

deep muscles of chest, medial to serratus ventralis

internal and external intercostals

deep muscles of chest

trapezius group (clavotrapezius, acromiotrapezius, spinotrapezius)

superficial muscles of back, shoulder, and neck, clavo —> acromio —> spino

levator scapulae ventralis

superficial muscles of back, shoulder, and neck, between clavotrapezius and acromiotrapezius,

deltoid group (clavodeltoid, acromiodeltoid, spinodeltoid)

superficial muscles of back, shoulder, and neck, clavodeltoid (most superficial)

latissimus dorsi

superficial muscles of back, shoulder, and neck; large thick flat muscle

rhomboideus

deep muscles of upper back, shoulder, and neck

rhomboid capitis

deep muscles of upper back, shoulder, and neck

triceps brachii (long, medial, lateral heads)

forelimb

brachialis

forelimb

biceps brachii

forelimb

epitrochlearis

forelimb

fascia lata

hindlimb

tensor fasciae lata

hindlimb

sartorius

hindlimb

gluteus medius

hindlimb

gluteus maximus

hindlimb

caudofemoralis

hindlimb

hamstring muscles

biceps femoris, semitendinosus, semimembranosus —> hindlimb

quadriceps muscles

vastus medialis, rectus femoris, vastus lateralis, vastus intermedius —> hindlimb

gracilis

hindlimb

adductor femoris

hindlimb

adductor longus

hindlimb

gastrocnemius

hindlimb

soleus

hindlimb

plantaris

hindlimb

calcaneal tendon

hindlimb