Muscles I

Question 1

What the the origin of a muscle?

Answer 1

Muscle attachment at the relatively stationary end

Question 2

What is the insertion of a muscle?

Answer 2

Muscle attachment at the relatively mobile end

Question 3

What is the belly of a muscle?

Answer 3

The thicker middle portion of the muscle

Question 4

A ______ attaches muscle to bone; a _______ attaches bone to bone.

Answer 4

Tendon

Ligament

Question 5

What is an aponeurosis?

Answer 5

A white, flattened, tendinous expansion

Question 6

What is dissection?

Answer 6

To separate muscles cleanly from adjacent muscles

Question 7

What is transection?

Answer 7

To cut a muscle in half, mid-belly

Question 8

Rotate away from midline is ….

Answer 8

abduction

Question 9

Rotate towards midline is ….

Answer 9

adduction

Question 10

What is supination?

Answer 10

Rotate and “carry the soup”

Question 11

What is pronation?

Answer 11

Rotate and “drop the soup”

Question 12

What is protraction?

Answer 12

Move forward in a plane, eg jaw

Question 13

What is retraction?

Answer 13

Move backwards in a plane, eg jaw

Question 14

Moving finger to the thumb is …..

Answer 14

Opposition

Question 15

What is rotation distal end around a stationary end?

Answer 15

Circumduction

Question 16

What is a muscle synergist?

Answer 16

Muscles that work together to cause movement

Question 17

What is an example of muscle synergy?

Answer 17

Biceps brachii and brachialis

Question 18

What is a muscle antagonist?

Answer 18

Muscles that work in opposition to another muscle

Question 19

What is an example of antagonistic muscles?

Answer 19

biceps brachii and triceps

Question 20

What is a fixator muscle?

Answer 20

Stabilizing joints as other movements go on

Question 21

How is the shape of a muscle defined?

Answer 21

By the direction of the fascicles

Question 22

What is a circular muscle?

Answer 22

When contracts, the opening gets smaller

Question 23

What is an example of a circular muscle?

Answer 23

orbicularis oris (around mouth), orbicularis oculi (around eye)

Question 24

What is an example of a fusiform muscle?

Answer 24

biceps brachii

Question 25

What is an example of a convergent muscle?

Answer 25

pectoralis major

Question 26

What is an example of a straight muscle?

Answer 26

superior rectus, rectus abdominis

Question 27

What is a muscle named by location?

Answer 27

brachialis because brachium is the arm;

palmaris brevis is the hypothenar eminence, on the medial hand

Question 28

What is a muscle named by size?

Answer 28

Gluteus maximus

Question 29

What is a muscle named by shape?

Answer 29

teres minor; teres major

Question 30

What is a muscle named for its origin and insertion?

Answer 30

sternocleidomastoid

Question 31

What are muscles named for the number of heads?

Answer 31

biceps brachii-2; triceps- 3

Question 32

What is a muscle named for its function?

Answer 32

abductor digiti minimi