Muscles - Term

Front 1

study of muscles

Back 1

myology

Front 2

provides attachment points and support for muscles

Back 2

skeleton

Front 3

muscle tissue extends and contract to allow

Back 3

movement

Front 4

Muscular System

Back 4

600 muscles

half of body weight

determines form

maintains posture

produces body heat

forms internal organs

Front 5

attaches muscle to bone

Back 5

tendon

Front 6

flat, ribbon-like tendon made up of fibrous connective tissue that attaches muscle to bone or as fascia to bind muscles together

Back 6

aponeurosis

Front 7

sheet of fibrous membrane that encloses muscles and separates them into groups

Back 7

fascia

Front 8

strong bands of fibrous tissue connecting bone to bone or bone to cartilage; aid or restrict movement and support organs

Back 8

ligament

Front 9

attachment to muscle

-less movable of the two points of attachment to bone. attaches to fixed part of skeleton

Back 9

origin

Front 10

attachment of muscle

-point of attachment by a muscle to a movable bone. moves when a muscle is contracted

Back 10

insertion

Front 11

causes a muscle to move by stimulating a group of muscle fibers

Back 11

motor nerve

Front 12

called fibers; long and slender

Back 12

muscle cells

Front 13

how are muscles classified

Back 13

according to function, shape, and structure

Front 14

skeletal

Back 14

muscles attached to skeleton

Front 15

striated

Back 15

because of striped microscopic appearance

Front 16

fibers become ______ and ________ when muscles contarct

Back 16

shorter and thicker

Front 17

supplied by

Back 17

central and peripheral nervous system

Front 18

smooth muscle

Back 18

visceral: found in some organs of body

nonstriated, spindle-shaped fibers

Front 19

involuntary

Back 19

controlled by automatic nervous system

Front 20

cardiac muscle

Back 20

involuntary but shows fine striations

controlled by autonomic nervous system

Front 21

muscle attachments

Back 21

attachment of muscle to tendons extends to phalanges. results in movement and bulk reduction

Front 22

voluntary muscles usually attach to _______ but attach to ________ in the larynx and throat

Back 22

bone, cartilage

Front 23

muscles may also be attached to

Back 23

skin

mucous membranes

fascia of other muscles

Front 24

movement of muscles can be

Back 24

prime movers

antagonists

synergists

Front 25

prime mover

Back 25

muscle that actively produces a movement

usually skeletal

Front 26

antagonist

Back 26

muscle that works in opposition to prime movers

ex: curls

Front 27

synergist

Back 27

muscles that contract with prime mover to help execute a movement or steady a part

Front 28

names for muscles: 6 points of identification

Back 28

action

origin/insertion point

location

shape or use

direction of their fibers

the # of their sections

Front 29

azygous

Back 29

not paired

Front 30

bi, tri, quadri

Back 30

two, three, four

Front 31

externus

Back 31

external or outer

Front 32

gracilis

Back 32

slender

Front 33

latissimus

Back 33

wide

Front 34

longissimus, longus

Back 34

long

Front 35

medius

Back 35

intermediate

Front 36

orbicularis

Back 36

surrounding

Front 37

quadratus

Back 37

square

Front 38

rectus

Back 38

straight

Front 39

rhomboideus

Back 39

diamond shaped

Front 40

scalenus

Back 40

unequally three sided

Front 41

serratus

Back 41

sawtoothed

Front 42

teres

Back 42

round or cylindrical

Front 43

transverse

Back 43

crosswise

Front 44

vastus

Back 44

great

Front 45

orbicularis oculi

Back 45

muscle in face that closes eyelid