Ch. 11 Flashcards
Muscle name brevis means?
short
longus =
long
major =
large
maximus =
largest
minimus =
smallest
minor =
small
Muscle shape name deltoid =
triangular
Quadratus =
four-sided
Rhomboideus =
rhomoboidal
Teres =
round, cylindrical
Trapezius =
trapezoidal
Location
of muscles
Abdominis
of the abdomen
brachii
of the arm
capitus
of the head
carpi
of the wrist
cervicis
of the neck
digiti
of a finger or tow
digitorium
of the fingers or toes
femoris
of the femor
fibularis
of the fibula
hallucis
of the big toe
indicis
of the index finger
intercostal
between the ribs
lumborum
of the lower back
pectoralis
of the ches
pollicis
of the thumb
profundus
deep
superficialis
superficial
thoracis
of the thorax
Oblique =
slanted
rectus =
straight
Transversus
transverse
The identity of the nerve that stimulates the muscle.
innervation
spinal nerves arise from the spinal cord and innervate muscles of?
the neck
Cranial nerves emerge from the brainstem and innervate muscles of?
the head and neck
what does the genioglosses do?
protrudes toungue forward or moves it to one side if used unilaterally
What does the hypoglossus do?
depresses tongue
what does the styloglossus do?
pulls tongue up and back
What do the temporalis, masseter, and medial ptyrygold do?
elevate mandible and move it sideways
What does the lateral pterygoid do?
depresses mandible and moves it sideways
What does the digastric do?
depresses mandible
What does the Sternohyoid do?
depresses hyoid
what does the Thyrohyoid do?
helps prevent choking
What does the sternothyroid do?
depresses larynex
What does the sternocleidomastoid do?
rotate head to side when unilaterally active, draws head forward when bilaterally active
What does the traps do?
extends head
THe diaphram is the prime mover of?
inspiration
Erector spinae
straightens spine
seispinalis thoracis
extends and produces contralateral rotation of the vertebral column
multifidus
stabalizes adjacent vertebrae
Quadratus lumborum
aids in respiration by stabilizing the diaphram and rib 12
external anal sphincter
retains feces in rectum
Compresso urethrae
aids to retain urine only in females
ischiocavernosus
maintains erection of penis or clitoris
bulbospongiousus
aids erection…in males spasmodic contraction produces ejaculation. In females..constrict the vagina and expel secretions
Levator ani
compresses anal canal and reinforce external anal and urethal sphincters