CH 3 Muscles

Question 1

Skeletal Muscles

Answer 1

aka - striated, voluntary

• attach bones to the body and make motions possible

Question 2

Smooth Muscles

Answer 2

aka - nonstriates, unstriated, involuntary, visceral

• produce relatively slow contractions to allow unconscious funcitons of internal organs

Question 3

Combining forms of muscle and fibrous connective tissue

Answer 3

muscle - my/o

fibrous - fibr/o, fibros/o

Question 4

Cardiac Muscles

Answer 4

aka- myocardium

• involuntary contraction of heart muscle

Question 5

Kinesiology

Answer 5

the study of movement

Kinesi/o

-kinesis

Question 6

Antagonistic

Answer 6

muscles that work against or opposite each other

Anti-, agon

(against, struggle)

Question 7

Synergists

Answer 7

muscles that contract at the same time as another muscle to help movement or support movement

Syn-, erg

(together, work)

Question 8

Contraction

Answer 8

tightening

• during this the muscle becomes shorter and thicker

Question 9

Relaxation

Answer 9

lessening of tesion

• the muscle returns to its original shape

Question 10

Neuromuscular junction

Answer 10

the point at which nerve endings come to contact with the muscle cells

Question 11

Tonus

Answer 11

balance muscle tension

-aka muscle tone

Question 12

Combining form for tone, tesion, or stretching

Answer 12

ton/o

Question 13

Muscle Origin

Answer 13

place where a muscle begins or originates and is the more fixed attachment (the end of the muscle closest to the mid line)

Question 14

Muscle Insertion

Answer 14

place where a muscle ends or inserts and is the more moveable end or portion of the muscle farthest from the midline

Question 15

Range of Motion

Answer 15

describes the types of muscle movements

• aka ROM