advanced cat muscles the next exam is worth 120 points!
TRANSCRIPT
Advanced Cat Muscles
The next exam is worth 120 points!
Sternocleidomastoid
Pectoralis major
Serratus anterior
Rectus abdominis
External oblique
Deltoid
Pectoralis minor
Superficial Chest
Human: Human:
1
2
3
Superficial Chest
• 1 Pectoantebrachialis **no
homolog in humans
• 2 Pectoralis major
• 3 Pectoralis minor
• Xiphihumeralis **no homolog in
humans
DeepSuperficial
Levator scapulae
Teres major
Trapezius
Deltoid
Latissimus dorsi
Human: Human:
Superficial back
Teres minor
Rhomboid minor
Rhomboid major
Latissimus dorsi
Deltoid
Long head triceps
Trapezius
Superficial Shoulder, Back, & Forelimb
• Latissimus Dorsi
• Spinotrapezius • Acromiotrapezius • Clavotrapezius
• Levator Scapulae Ventralis
• Spinodeltoid • Acromiodeltoid • Clavodeltoid
• Triceps brachii Lateral Head
• Triceps brachii Long Head
Group VIGroup VI
Head
1
2
3
4
5
6
7
8
10
9
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
Spinodeltoid
Acromiodeltoid
Clavicodeltoid
Levator scapulae ventralis
Spinodeltoid
Infraspinatus
Deep Shoulder and BackHuman: Human:
Fig. 11.2
• Clavotrapezius (Reflected)
• Acromiotrapezius
• 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
Deep Shoulder and Back1
2
3
4
56
78
9
10
11
12
13
1415
04_Cat_016-L
Group VIIGroup VII
Deep Shoulder and Back
1. Spinalis Dorsi
2. Longissimus
3. Iliocostalis
4. Serratus Dorsalis (Reflected)
5. Serratus Ventralis (Reflected)
6. omit
7. omit
8. Splenius
9. Levator scapulae dorsalis (Reflected) (aka. Rhomboideus Capitis)
deep back - epaxials
9
deep to clavotrapezius
Head
Deep Chest1. Scalenus ventralis
2. Scalenus medialis
3. Scalenus dorsalis
4. Serratus ventralis
5. Rectus abdominis
6. External intercostals
1 2 3
4
5
6
Head
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
Human: Human:
Upper Arm
Group VIIIGroup VIII
Upper Arm, Lateral
1. Acromiotrapezius
2. Levator Scapulae Ventralis
3. Teres Major
4. Triceps brachii Lateral Head (Reflected)
5. Triceps brachii Long Head
6. Triceps brachii Medial Head
7. Biceps brachii
8. Brachialis
9. Clavodeltoid
Head
7
89
Group VIIIGroup VIII
Upper Arm, Medial
1. Clavodeltoid
2. Biceps Brachii
3. Triceps Brachii Medial Head
4. Epitrochlearis **no homolog in humans
5. Triceps Long Head
Head
Upper Arm, Medial
Head
Fig.11.10
Lower Arm, Anterior (Cat = Medial)Human: Human:
1. Brachioradialis
2. Extensor Carpi Radialis Longus
3. Extensor Carpi Radialis Brevis
4. Pronator Teres
5a. Flexor Carpi Radialis
5. Flexor Digitorum Profundus
6. Palmaris Longus
7. Flexor Carpi Ulnaris
8. Clavodeltoid
9. Biceps Brachii
10. Epitrochlearis
11. Long Head of Triceps
12. Medial Head of Triceps 13. omit - Flexor Digitorum Superficialis
Lower Arm, Medial
Head
5a
Lower Arm, Posterior (Cat = Lateral)
Fig.11.10
Human: Human:
Group IXGroup IX
Lower Arm, Lateral1. Triceps brachii (Long Head)
2. Triceps brachii (Lateral Head)
3. Brachialis
4. Brachioradialis
5. Extensor Carpi Radialis Longus
6. Extensor Carpi Radialis Brevis
7. Extensor Digitorum Communis
8. Extensor Digitorum Lateralis
9. Extensor Carpi Ulnaris
10. Flexor Carpi Ulnaris 11. omit – anconeus
Head
Lower Arm, Lateral
Head
Left - Anterior forearm
Brachioradialis
Flexor digitorum superficialis
Flexor carpi radialis
Palmaris longus
Flexor carpi ulnaris
Radial artery
Flexor pollicis longus
Pronator teres (cut)
Left - Posterior forearm
Extensor carpiradialis brevis
Extensor carpiulnaris
Extensor pollicis brevis
Abductor pollicis longus
Brachioradialis
Extensor digitorum
Extensor pollicis longus
Lower Arm, Medial
Lower Arm, Lateral
Thigh, Lateral view
1. Semitendinosus
2. Biceps Femoris 3. Caudofemoralis **no homolog in
humans
4. Gluteus Maximus
5. Gluteus Medius
6. Tensor Fasciae Latae
7. Sartorius
Head
Thigh, Medial view1. Sartorius
2. Gracilis
3. Omit – Skippy's Scrotum
4. Semitendinosus
5. Gastrocnemius
6. Plantaris
7. Soleus
Head
Lower Leg (cat = shank), Deep Lateral view1. Tibialis Anterior
2. Extensor Digitorum Longus
3. Peroneus (Fibularis) Brevis
4. Peroneus (Fibularis) Longus
5. Peroneus (Fibularis) Tertius
6. Soleus
7. Gastrocnemius
8. Biceps Femoris (Reflected)
9. Semitendinosus
10. Semimembranosus
11. Adductor Femoris
12. Vastus Lateralis
Head
Lower Leg (cat = shank), Deep Lateral view** Tenuissimus
1. Biceps Femoris (Reflected) 2. Caudofemoralis (Reflected) **
3. Gluteus Maximus (Reflected)
4. Gluteus Medius
5. Tensor Fasciae Latae (Ref.)
6. Semitendinosus
7. Semimembranosus 8. Adductor Femoris **no homolog
9. Sciatic Nerve
10. Vastus Lateralis
11. Sartorius
12. Tibialis Anterior
13. Extensor Digitorum Longus
14. Peroneus (Fibularis) Complex
15. Soleus
16. Gastrocnemius
**
Head
Group XIGroup XI
Lower Leg (cat = shank), Deep Medial view1. Gastrocnemius
2. Plantaris
3. Soleus
4. Flexor Digitorum Longus
5. Tibia (Bone)
6. Tibialis Anterior
7. Calcaneus Tendon (Achilles Tendon)
8. Lucky Kitty's Foot
Head
04_Cat_018-L