Lab Practical 2 Flashcards
what is the function of rectus abdominis?
-compress/flex the trunk
where does the rectus abdominis originate?
pubic
where does the rectus abdominis insert?
sternum
what is the function of serratus dorsalis?
raise ribs
where does the serratus dorsalis originate?
vertebra
where does serratus ventralis insert?
scapula
what is the function of serratus ventralis?
depress the scapula
where does serratus ventralis originate?
ribs
where does serratus ventralis insert?
scapula
what is the function of biceps brachii?
flexes forelimb
what is the origin of biceps brachii?
scapula
where does biceps brachii insert?
radius
homology in necturus? (biceps brachii)
adductor
homology in squalus/dogfish shark? (biceps brachii)
coracoradialis
what is the function of the pronator teres?
pronate paw
where does pronator teres originate?
humerus
where does pronator teres insert?
radius
what is the function of the digastric?
depresses mandible
where does the digastric originate?
skull
where does it insert? (digastric)
mandible
homology in necturus? (digastric)
ventral constrictor
homology in squalus? (digastric)
interhyoideus
what is the function of the masseter?
elevate mandible
where does the masseter originate?
zygomatic arch of skull
where does it insert? (masseter)
mandible
homology in necturus? (masseter)
adductor mandibulae
homology in squalus? (masseter)
levator mandibulae
what is the function of the mylohyoid?
raise floor of the mouth
where does the mylohyoid originate?
mandible
where does the mylohyoid insert?
basihyal
homology in necturus and Squalus? (mylohyoid)
intermandibularis
what is function of the biceps femoris?
abducts thigh, flexes hindlimb
origin of the biceps femoris?
ischium
insertion of biceps femoris?
tibia
function of gastrocnemius?
extends hindfoot
origin of the gastrocnemius?
femur
insertion of gastrocnemius?
calcaneus
function of gluteus Maximus?
abducts thigh
origin of gluteus Maximus?
ilium and sacrum
insertion of gluteus Maximus?
femur
what is the function of peroneus longus?
flexes hindfoot
origin of peroneus longus?
fibula
insertion of peroneus longus?
tarsals
function of popliteus?
flexes knee, rotates hindlimb