The next exam is worth 120 points! 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 2 Pectoralis major 3 Pectoralis minor 1 Pectoantebrachialis **no homolog in humans 2 Pectoralis major 3 Pectoralis minor Xiphihumeralis **no homolog in humans 1 2 3

Human: Superficial Deep Levator scapulae Trapezius Deltoid Teres major Latissimus dorsi

Superficial back Rhomboid minor Deltoid Rhomboid major Teres minor Long head triceps Trapezius Latissimus dorsi

Superficial Shoulder, Back, & Forelimb Group VI Superficial Shoulder, Back, & Forelimb Latissimus Dorsi Spinotrapezius Acromiotrapezius Clavotrapezius Levator Scapulae Ventralis Spinodeltoid Acromiodeltoid Clavodeltoid Triceps brachii Lateral Head Triceps brachii Long Head 1 2 3 4 5 Head  6 7 8 9 10

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.

Levator scapulae ventralis Shoulder Levator scapulae ventralis Spinodeltoid Clavicodeltoid Acromiodeltoid

Infraspinatus Spinodeltoid

Deep Shoulder and Back Fig. 11.2 Human:

Deep Shoulder and Back 1 Clavotrapezius (Reflected) Acromiotrapezius 2 Supraspinatus Infraspinatus Triceps Brachii (Long Head) Triceps Brachii (Lateral Head) Acromiodeltoid Clavodeltoid Levator scapulae dorsalis Splenius Rhomboideus minor Rhomboideus major Spinotrapezius Latissimus Dorsi Spinalis Dorsi 2 3 4 5 6 7 8 9 10 11 12 13 14 15

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Deep Shoulder and Back Group VII Head  9 Spinalis Dorsi Longissimus Iliocostalis Serratus Dorsalis (Reflected) Serratus Ventralis (Reflected) omit Splenius Levator scapulae dorsalis (Reflected) (aka. Rhomboideus Capitis) deep back - epaxials 9 deep to clavotrapezius Head 

Deep Chest 1 2 3 Scalenus ventralis Scalenus medialis Scalenus dorsalis Serratus ventralis Rectus abdominis External intercostals 5 4 6 Head 

Deep Chest 1. Transversus Costarum 2. Rectus Abdominis 3a. Scalenus ventralis 3b. Scalenus medius 3c. Scalenus dorsalis Serratus anterior Subscapularis Teres Major omit -- coracobrachialis Latissimus Dorsi Head 

Fig.11.8 Upper Arm Human:

Upper Arm, Lateral Group VIII Head  Acromiotrapezius Levator Scapulae Ventralis Teres Major Triceps brachii Lateral Head (Reflected) Triceps brachii Long Head Triceps brachii Medial Head Biceps brachii Brachialis Clavodeltoid 7 9 8

Upper Arm, Medial Group VIII Head  Clavodeltoid Biceps Brachii Triceps Brachii Medial Head Epitrochlearis **no homolog in humans Triceps Long Head

Upper Arm, Medial Head 

Lower Arm, Anterior (Cat = Medial) Fig.11.10 Lower Arm, Anterior (Cat = Medial) Human:

Lower Arm, Medial Head  Brachioradialis Extensor Carpi Radialis Longus Extensor Carpi Radialis Brevis Pronator Teres 5a. Flexor Carpi Radialis Flexor Digitorum Profundus Palmaris Longus Flexor Carpi Ulnaris Clavodeltoid Biceps Brachii Epitrochlearis Long Head of Triceps Medial Head of Triceps omit - Flexor Digitorum Superficialis Head  5a

Lower Arm, Posterior (Cat = Lateral) Fig.11.10 Lower Arm, Posterior (Cat = Lateral) Human:

Lower Arm, Lateral Group IX Head  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 omit – anconeus Head 

Lower Arm, Lateral Head 

Left - Anterior forearm Flexor digitorum superficialis Flexor pollicis longus Radial artery Brachioradialis Pronator teres (cut) Flexor carpi radialis Palmaris longus Flexor carpi ulnaris

Left - Posterior forearm Extensor pollicis brevis Brachioradialis Extensor pollicis longus Abductor pollicis longus Extensor digitorum Extensor carpi ulnaris Extensor carpi radialis brevis

Lower Arm, Medial

Lower Arm, Lateral

Thigh, Lateral view Semitendinosus Biceps Femoris Caudofemoralis **no homolog in humans Gluteus Maximus Gluteus Medius Tensor Fasciae Latae Sartorius Head 

Thigh, Medial view Head  Sartorius Gracilis Semitendinosus Omit – Skippy's Scrotum Semitendinosus Gastrocnemius Plantaris Soleus

Lower Leg (cat = shank), Deep Lateral view 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 ** 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  **

Lower Leg (cat = shank), Deep Medial view Group XI Lower Leg (cat = shank), Deep Medial view Gastrocnemius Plantaris Soleus Flexor Digitorum Longus Tibia (Bone) Tibialis Anterior Calcaneus Tendon (Achilles Tendon) Lucky Kitty's Foot Head 

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