Exam 2- functions Flashcards
pectoral abductor (squalus)
abducts and flattens pectoral fin
pectoral adductor (squalus)
adducts pectoral fin and renders it concave
cucullaris
elevates pectoral girdle and last branchial arch
dorsal superficial hyoid constrictor
compresses pharyngeal pouches; portions close 2-5
ventral superficial hyoid constrictor
compresses pharyngeal pouches
dorsal hyoid constrictor
compresses first pharyngeal pouch
interhyoideus
pull ceratohyals together towards midline during opening of the jaws and hyoid arch; help elevate the floor of the oral cavity when mouth is closed
levator hyomandibular
elevates hyobranchial cartilage
adductor mandibulae
adducts lower jaw
intermandibularis
pull lower jaws together towards midline during opening of jaws and hyoid arch; help elevate floor of oral cavity when mouth closed.
levator palatoquadrati
elevates palatoquadrate
spiracularis
closes spiracle
epaxial musculature
flex trunk and tail left-right
epibranchial musculature
elevate chrondrocranium while feeding
hypaxial musculature
flex trunk and tail left-right
coracoarcuals
help depress basihyal and ceratohyal cartilages, expanding oral and pharyngeal cavities
coracohyoids
abduct hyoid arch
coracomandibular
abducts lower jaw
adductor femoris
adducts and extends thigh
adductor longus
adducts and flexes thigh
biceps femoris
flexes crus and abducts thigh
gluteofemoralis
abducts thigh and extends crus
gluteus superficialis
abducts thigh
gluteus medius
abducts thigh
gracilis
adducts thigh; flexes crus
pectineus
adducts thigh
sartorius
adducts thigh; contributes to crus extension
semimembranosus
extends thigh and flexes crus
semitendonosus
flexes crus, extends thigh
tensor fasciae latae
flexes thigh
vastus intermedius
extends crus
vastus lateralis
extends crus
branchioradialis
supinates manus
clavobranchialis
flexes antebranchium
clavotrapezius
draws scapula anterodorsally
infraspinatus
rotates humerus laterally
latissiums dorsii
draws humerus posterodorsally
levator scapulae ventralis
draws scapula ventrally
pectoantebranchialis
adducts humerus
pectoralis major
adducts humerus
pectoralis minor
adducts humerus
rhomboideus
draws scapula towards vertebral column
rhomboideus capitus
rotates and draws scapula anteriorly
serratus ventralis
draws scapula anteroventrally
spinodeltoid
flexes and laterally rotates humerus
spinotrapezius
draws scapula posterodorsally
subscapularis
adducts humerus
supraspinatus
extends humerus
teres major
flexes and laterally rotates humerus
3 heads of triceps brachii
extend antebrachium
xiphihumeralis
adducts forelimb
digastric
depresses mandible
genioglossus
depresses tongue;
geniohyoid
draws hyoid anteriorly`
hyoglossus
depresses and retracts tongue
masseter
elevates mandible
mylohyoid
elevates floorof oral cavity; draws hyoid anteriorly
sternohyoid
draws hyoid posteriorly
sternomastoid
flexes neck laterally
sternothyroid
draws larynx posteriorly
styloglossus
elevates and retracts tongue
stylohyoid
draws basihyoid dorsally
thyrohyoid
draws hyoid posteriorly and dorsally