BIOL 3360L Vertebrate Comparative Anatomy Laboratory -- 2010
Lab 5 “Muscular System part 2”
ÿ Pre-lab preparation:
*Read Chpt. 6 (pgs. 102 - 125) in lab text
ÿ Quiz “Muscles part 1”:
ÿ External explorations of the cat:
Refer to the appropriate pages in your text for examination procedures. Locate and determine the function of the following external structures…
(External features of the cat)
o Pinnae
o Vibrisae
o Tori
o Anus
o Scrotum or urogenital sinus
ÿ Removing the integument… Review pg. 102 for direction on removing the cat’s skin.
ÿ Muscular anatomy… Review pgs. 102 – 125 to locate and identify the following muscles (organized by region). Follow the instructions and guidelines for locating the following muscles. I would mark/highlight the target muscles in tables 6.4 as a central way of organizing the various muscles you will be identifying.
(Abdomen & ribs)
o Rectus abdominis
o Internal intercostals
o External intercostals
o External oblique
o Internal oblique
o Transversus (transverse abdominis)
(Superficial chest)
o Clavobrachialis
o Pectoantebrachialis
o Pectoralis major
o Pectoralis minor
(Neck and throat)
o Digastric
o Geniohyoid
o Mylohyoid
o Sternohyoid
o Sternomastoid
(Lateral jaw)
o Masseter
o Temporalis
(Dorsal shoulder)
o Acromiotrapezius
o Clavotrapezius
o Latissimus dorsi
o Spinodeltoid
o Spinotrapezius
(Upper arm – brachium)
o Biceps brachii
o Brachialis
o Triceps brachii
Lab 5 “Muscular System part 3”
ÿ Pre-lab preparation:
*Read Chpt. 6 (pgs. 116 - 125) in lab text
ÿ Quiz “Muscles part 2”:
ÿ Muscular anatomy… Review pgs. 116 – 125 to locate and identify the following muscles (organized by region). Follow the instructions and guidelines for locating the following muscles. I would mark/highlight the target muscles in tables 6.4 as a central way of organizing the various muscles you will be identifying.
(Shoulder – acromial region (deep))
o Infraspinatus
o Supraspinatus
o Serratus ventralis
o Teres major
(Forearm – antebrachium)
o Brachioradialis
o Extensor carpi radialis longus
o Extensor carpi ulnaris
o Extensor digitorum communis
o Extensor digitorum lateralis
o Flexor carpi radialis
o Flexor carpi ulnaris
o Flexor digitorum superficialis
(Thigh – femoral region)
o Biceps femoris
o Gluteus maximus
o Gluteus medius
o Tensor fascia latae
o Adductor femoris
o Gracilis
o Rectus femoris
o Sartorius
o Semimembranosus
o Semitendinosus
o Vastus intermedius
o Vastus lateralis
o Vastus medialis
(Shank – crural region)
o Extensor digitorum longus
o Flexor digitorum longus
o Gastrocnemius
o Plantaris
o Soleus
o Tibialis anterior
o Tibialis posterior
o Retinaculum (not a muscle)