Download Cat Muscles I, II, III

Labs 16, 17, 18
Cat Muscle Dissection and Identification (use pictures and video provided)
NOTE: All deep muscles will be dissected on the right side of the body only. Superficial
muscles will remain intact on the left side of the body. Identify the following muscles:
Abdomen
Upper Arm
external oblique
epitrochlearis
internal oblique
biceps brachii
transverse abdominis
triceps brachii (long head)
rectus abdominis
triceps brachii (medial head)
triceps brachii ((lateral head)
Chest & Neck
brachialis
xiphihumeralis
pectoralis major
Upper Leg
pectoralis minor
biceps femoris
pectoantebrachialis
semitendinosus
serratus ventralis (anterior)
semimembranous
rectus abdominis
adductor femoris
scalenius medius
adductor longus
rectus thoracis (transverse costarum)
vastus lateralis
subscapularis
vastus medialis
rectus femoris
Back
sartorius
clavotrapezius
gracillis
clavobrachialis (clavodeltoid)
tensor fascia latae
acromiotrapezius
pectineus
spinotrapezius
levator scapula
Lower Leg
acromiodeltoid
gastrocnemius
spinodeltoid
soleus
rhomboideus
peroneus muscles
supraspinatus
tibialis anterior
teres major
extensor digitorum longus
teres minor
Hip
infraspinatus
gluteus maximus
latissimus dorsi
gluteus medius
caudofemoralis
Related Structures
linea alba
calcaneal (Achilles’s) tendon
sciatic nerve
Human & Cat Muscle Differences
1.
pectoralis major- larger in human, smaller in cat
2.
pectoralis minor- smaller in human, larger in cat
3.
pectoantebrachialis – not present in human
4.
Xiphihumeralis – not present in human
5.
clavotrapezius, acromiotrapezius, spinotrapezius – three muscles in cat, one
muscle in human (trapezius).
6.
caudofemoralis – not present in human
7.
gluteus maximus – larger than gluteus medius in humans, smaller than gluteus
medius in cat.
8.
sartorius – wide muscle in cat, narrow muscle in human
9.
adductor femoris – one muscle in cat, three muscles (adductor longus, adductor
brevis, adductor magnus) in human
10.
epitrochlearis – not present in human