ch 10-11

Question 1

cardiac muscles contain high levels of

Answer 1

glycogen (energy stores)

Question 2

cardiac cell features found

Answer 2

striations, mononucleated, glycogen, intercatated disc

Question 3

smooth muscle features

Answer 3

mononucleated
tapering cytoplasm
fusaform shape
NO striations

Question 4

what happens to your muscles as you age

Answer 4

loss of muscle mass, cell component reduced
fat accumulates
glycolytic fibers atrophy
reduced nervous system efficiency

Question 5

myopathies

Answer 5

disease of the muscles

Question 6

muscular dystrohy

Answer 6

muscles degenerate and replaced by scar and adipose tissue
sex link hereditary gene

Question 7

mysatheina gravis

Answer 7

autoimmune disease
destruction of ACh receptors

Question 8

ptosis

Answer 8

drooping eye lid
trouble swallowing, limb weakness

Question 9

endomysium

Answer 9

wraps muscle fiber

Question 10

perimysium

Answer 10

wraps fascicle (bundle)

Question 11

epimysium

Answer 11

wraps muscle

Question 12

fascia

Answer 12

wraps muscle group

Question 13

compartments are enclosed by

Answer 13

fasciae/ intermuscular septa

Question 14

compartments of muscles consist of

Answer 14

functionally related muscles
nerves and blood vessels

Question 15

compartments syndrome

Answer 15

pressure inside a compartment due to overuse or contusion

Question 16

fasciotomy

Answer 16

incision in the fascia to relieve pressure

Question 17

fassicle

Answer 17

muscle fibers wrapped in perimsyium

Question 18

fusiform muscle

Answer 18

tendon belly tendon
typically- bigger in middle

Question 19

parallel muscle

Answer 19

no tapering off

Question 20

triangular muscle

Answer 20

triangle
tapers

Question 21

unipennate muscle

Answer 21

one sided/ half feather

Question 22

bipennate muslce

Answer 22

feather

Question 23

multipennate

Answer 23

hella feathers

Question 24

circular

Answer 24

hell yea

Question 25

muscle belly

Answer 25

area between origin and insertion

Question 26

muscle insertion

Answer 26

muscle attachment at more mobile end

Question 27

indirect attachment

Answer 27

tendon attaches muscle to bone connects into periosteum and matrix

Question 28

aponeurosis

Answer 28

broad sheet of tendon

Question 29

direct/ fleshy attachment

Answer 29

close association with bone, connected with collagen fibers

Question 30

muscle action

Answer 30

effect of muslce

Question 31

prime mover/ agonist

Answer 31

produces main fore of action

Question 32

synergist

Answer 32

aids prime mover, may stabilize

Question 33

antagonist

Answer 33

opposes prime mover acts on opp side of joint returns muscle to rest

Question 34

fixator

Answer 34

prevents bone movement

Question 35

intrinsic

Answer 35

origin and insertion contains within particular region

Question 36

extrinsic

Answer 36

acts upon a designated regions, but origin is elsewhere

Question 37

how muscles are named

Answer 37

size, shape, location, number of heads, orientation of the fibers, action

Question 38

aging muscular system symptoms

Answer 38

loss of lean body mass fat/fibrous accumulation fast glycolytic fiber atrophy