Advanced Cat Muscles
The next exam is worth 120 points!
Superficial Chest
Human:
Sternocleidomastoid
Deltoid
Pectoralis minor
Pectoralis major
Serratus anterior
Rectus abdominis
External oblique
Superficial
Chest
•
1 Pectoantebrachialis
**no homolog in humans
1
2
• 2 Pectoralis
major
3
• 3 Pectoralis
minor
Human:
Superficial
Trapezius
Deep
Levator
scapulae
Deltoid
Teres major
Latissimus dorsi
Superficial back
Rhomboid minor
Deltoid
Rhomboid major
Teres minor
Long head triceps
Trapezius
Latissimus dorsi
Group VI
Superficial Shoulder, Back, & Forelimb
Head 
1
•
Latissimus Dorsi
2
•
3
•
4
•
Spinotrapezius
Acromiotrapezius
Clavotrapezius
5
•
Levator Scapulae
Ventralis
6
•
Spinodeltoid
Acromiodeltoid
Clavodeltoid
7
•
8
•
9
•
10
•
Triceps brachii Lateral
Head
Triceps brachii Long
Head
Levator scapulae dorsalis (9) is
like a thin ribbon that sits on top
of splenius (10), which is the
thick muscle underneath.
Spinalis dorsi (15) is a sheet of
muscles that run along the side
of the vertebral column
UNDERNEATH latissimus dorsi.
You have to cut one of the
latissimus dorsi flaps and lift it up
to see spinalis dorsi.
Just learn “Rhomboideus” or
“Rhomboids” (11-12) for the cat,
but in cadaver you need to
specify Rhomboidius major vs.
minor.
Shoulder
Levator scapulae ventralis
Spinodeltoid
Clavicodeltoid
Acromiodeltoid
Infraspinatus
Spinodeltoid
Fig. 11.2
Deep Shoulder and Back
Human:
Deep Shoulder and Back
1
•
2
•
Clavotrapezius (Reflected)
Acromiotrapezius
3
•
•4
Supraspinatus
Infraspinatus
5
•
6
•
•
7
8
•
Triceps Brachii (Long Head)
Triceps Brachii (Lateral Head)
Acromiodeltoid
Clavodeltoid
•
9
Levator scapulae dorsalis
•
10
Splenius
11
•
•
12
Rhomboideus minor
Rhomboideus major
13
•
•
14
15
•
Spinotrapezius
Latissimus Dorsi
Spinalis Dorsi
04_Cat_016-L
Group VII
Deep Shoulder and Back
1.
Spinalis Dorsi
2.
Longissimus
3.
Iliocostalis
4.
Serratus Dorsalis (Reflected)
5.
Serratus Ventralis (Reflected)
6.
7.
omit
omit
8.
Splenius
deep back - epaxials
9
Head 
deep to clavotrapezius
9.
Levator scapulae dorsalis (Reflected)
(aka. Rhomboideus Capitis)
Deep Chest
1 2 3
1. Scalenus ventralis
5
4
2. Scalenus medialis
6
3. Scalenus dorsalis
4. Serratus ventralis
5. Rectus abdominis
Head 
6. External intercostals
Deep Chest
1. Transversus Costarum
2. Rectus Abdominis
3a. Scalenus ventralis
3b. Scalenus medius
3c. Scalenus dorsalis
4. Serratus anterior
5. Subscapularis
6. Teres Major
7.
omit -- coracobrachialis
8. Latissimus Dorsi
Head 
Fig.11.8
Upper Arm
Human:
Group VIII
Upper Arm, Lateral
Head 
7
8
9
1.
2.
3.
4.
5.
6.
7.
8.
9.
Acromiotrapezius
Levator Scapulae Ventralis
Teres Major
Triceps brachii Lateral Head (Reflected)
Triceps brachii Long Head
Triceps brachii Medial Head
Biceps brachii
Brachialis
Clavodeltoid
Group VIII
Head 
Upper Arm, Medial
1.
Clavodeltoid
2.
Biceps Brachii
3.
Triceps Brachii Medial Head
4.
Epitrochlearis **no homolog in humans
5.
Triceps Long Head
Upper Arm, Medial
Head 
Fig.11.10
Human:
Lower Arm, Anterior (Cat = Medial)
Lower Arm, Medial
1.
2.
3.
4.
5a.
5.
6.
7.
8.
9.
10.
11.
12.
Brachioradialis
Extensor Carpi Radialis Longus
Extensor Carpi Radialis Brevis
Pronator Teres
Flexor Carpi Radialis
Flexor Digitorum Profundus
Palmaris Longus
Flexor Carpi Ulnaris
Clavodeltoid
Biceps Brachii
Epitrochlearis
Long Head of Triceps
Medial Head of Triceps
13.
omit - Flexor Digitorum Superficialis
Head 
5a
Fig.11.10
Human:
Lower Arm, Posterior (Cat = Lateral)
Group IX
Lower Arm, Lateral
Head 
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Triceps brachii (Long Head)
Triceps brachii (Lateral Head)
Brachialis
Brachioradialis
Extensor Carpi Radialis Longus
Extensor Carpi Radialis Brevis
Extensor Digitorum Communis
Extensor Digitorum Lateralis
Extensor Carpi Ulnaris
Flexor Carpi Ulnaris
11.
omit – anconeus
Lower Arm, Lateral
Head 
Left - Anterior forearm
Flexor digitorum
superficialis
Brachioradialis
Pronator teres
(cut)
Flexor
carpi
radialis
Radial artery
Palmaris
longus
Flexor
pollicis
longus
Flexor carpi
ulnaris
Left - Posterior forearm
Extensor pollicis
brevis
Extensor pollicis
longus
Extensor digitorum
Brachioradialis
Abductor pollicis
longus
Extensor carpi
ulnaris
Extensor carpi
radialis brevis
Lower Arm, Medial
Lower Arm, Lateral
Thigh, Lateral view
1.
2.
3.
4.
5.
6.
7.
Semitendinosus
Biceps Femoris
Caudofemoralis **no homolog in humans
Gluteus Maximus
Gluteus Medius
Tensor Fasciae Latae
Sartorius
Head 
Head 
Thigh, Medial view
1.
2.
Sartorius
Gracilis
3.
Omit – Skippy's Scrotum
4.
5.
6.
7.
Semitendinosus
Gastrocnemius
Plantaris
Soleus
Lower Leg (cat = shank), Deep Lateral view
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Tibialis Anterior
Extensor Digitorum Longus
Peroneus (Fibularis) Brevis
Peroneus (Fibularis) Longus
Peroneus (Fibularis) Tertius
Soleus
Gastrocnemius
Biceps Femoris (Reflected)
Semitendinosus
Semimembranosus
Adductor Femoris
Vastus Lateralis
Head 
Lower Leg (cat = shank), Deep Lateral view
**
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
Tenuissimus
Biceps Femoris (Reflected)
Caudofemoralis (Reflected) **
Gluteus Maximus (Reflected)
Gluteus Medius
Tensor Fasciae Latae (Ref.)
Semitendinosus
Semimembranosus
Adductor Femoris **no homolog
Sciatic Nerve
Vastus Lateralis
Sartorius
Tibialis Anterior
Extensor Digitorum Longus
Peroneus (Fibularis) Complex
Soleus
Gastrocnemius
Head 
**
Group XI
Lower Leg (cat = shank), Deep Medial view
Head 
1.
2.
3.
4.
5.
6.
7.
8.
Gastrocnemius
Plantaris
Soleus
Flexor Digitorum Longus
Tibia (Bone)
Tibialis Anterior
Calcaneus Tendon (Achilles
Tendon)
Lucky Kitty's Foot
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