Health Muscle Test

Front 1

___ muscles in the body

Back 1

650

Front 2

Muscles are made of bundles of ______ ______ which are held together by connective tissue.

Back 2

Muscle Fibers

Front 3

When muscle fibers are stimulated by nerves, they contract or become _____ and _____

Back 3

short and thick

Front 4

you can willfully control muscles

Back 4

voluntary

Front 5

function without the person thinking about contracting the muscles.

Back 5

involuntary

Front 6

cells are packed so closely together its hard to tell one cell from another. ~forms walls of the heart ~contact to circulate blood ~involuntary

Back 6

Cardiac

Front 7

~found in internal organs of the body *digestive, respiratory system, blood vessels, and eyes. ~muscles contract to cause movement in these areas ~involuntary function without the person thinking about contracting the muscle

Back 7

Smooth

Front 8

most abundant muscle
~attached to bone ~causes body to move ~voluntary

Back 8

Skeletal

Front 9

strong, tough connective tissue cord, connect muscle to bone

Back 9

tendon

Front 10

tough, sheet-like membrane that covers and protects tissue

Back 10

fascia

Front 11

When a muscle attaches to the bone, the end doesn’t move.

Back 11

origin

Front 12

the end of the muscle that attaches to a bone that moves

Back 12

insertion

Front 13

ability to shorten and thicken (when muscles work they contract that is they get shorter
and thicker)

Back 13

contractability

Front 14

ability to stretch (when muscle is relaxed it becomes longer and thinner) *some muscles work while others relax *

Back 14

extensibility

Front 15

ability to return to original length

Back 15

elasticity

Front 16

ability to respond to stimulus

Back 16

Irritability

Front 17

slight tension in the muscles at all times, even at rest

Back 17

tone

Front 18

moving a body part toward the midline

Back 18

Adduction

Front 19

moving a body part away from the midline

Back 19

Abduction

Front 20

decreasing the angle between two bones and body part

Back 20

Flexion (Flexor)

Front 21

increasing the angle between two bones and body part

Back 21

Extension ( Extensor)

Front 22

a circular motion which turns a body part on its axis

Back 22

rotation

Front 23

ring like muscles that close body openings
example: rectum

Back 23

Sphincters

Front 24

lift a part of the body

Back 24

Levators

Front 25

lower a part of the body

Back 25

depressors

Front 26

the act of rotating the arm so the palm of the hand is upward.

Back 26

Supination

Front 27

the act of rotating the arm so the palm of the hand is turned downward.

Back 27

pronation