muscles Flashcards
Masseter
cheek area
Temporalis
top of head area
digastricus
under chin/ under cheek area
splenius
back of neck area
serratus ventrailis
armpit area
Trapezius
where neck and back meet
Brachiocephalic
from radius and ulna to the head and neck
Sternocephalic
sternum to head, under jugular in dogs
Latissimus dorsi
to the right of trapezius
pectoral
on chest area
triceps brachii
back end of upper arm
carpal and digital extensors
cranial aspect of lower limb
carpal and digital flexors
caudal aspect of lower forelimb
external abdominal oblique
closest to skin
internal abdominal oblique
between external oblique and transverse abdominis
transversus abdominis
closest to linea alba
rectus abdominis
beside linea alba
gluteals
butt cheek area
hamstring
below butt cheek
quadricep femoris
top of thigh area
gastrocnemius
on the calcanean area
extensors of tarsus and flexors of digits
caudal aspect of lower limb
flexors of tarsus and extensors of digits
cranial aspect of lower limb
external intercostal
rib area, lines goes cranial to caudal
internal intercostal
rib area, lines go caudal to cranial
cutaneous trunci
covers back area
back muscle for im injection
paralumbar muscle
what 3 muscles make up the hamstring
semitendinosus, semimembranosus, biceps femoris
lumps and heat at injection site mean…
problem
What muscles are on either side of the jugular groove?
brachiocephalicus and sternocephalicus
lateral edge of jugular groove?
brachiocephaliucus
medial edge of jugular groove?
sternocephalicus
what connects muscle to bone?
tendon
aponeurosis
connects muscle to muscle (linea alba)
3 pros of linea alba
no bleeding
easy to see
good exposure of abdomen
2 cons?
takes awhile to heal
weight of stomach contents on suture site
what is a bursa?
a sac protecting tendons
what does the bursa make?
synovial fluid
what is a tendon sheath?
like a bursa but bigger
origin
where the muscle starts
insertion
where the muscle ends
another name for calcanean tendon
achilles tendon
4 skeletal muscle groups
- agonist
- antagonist
- synergist
- fixator
what is the agonist?
main mover
what does the antagonist do?
does the opposite movement of the agonist
what does the synergist do?
contracts at the same time as agonist
what does a fixator do?
keeps joint from moving while joints nearby are bending or flexing