Chapter 10

Question 1

Perimysium

Answer 1

Wraps fibers into bundles called fascicles

Question 2

Epimysium

Answer 2

Fibrous sheath that surrounds entire muscle

Question 3

Endomysium

Answer 3

Surrounds each muscle fiber

Question 4

Fascia

Answer 4

Separates neighboring muscles or muscle groups from each other

Question 5

Fusiform Muscle

Answer 5

thick in middle and tapered on end

Question 6

Parallel Muscle

Answer 6

uniform width and parallel fascicles

Question 7

Triangular Muscle

Answer 7

fan shaped; broad at one end and narrow on the other

Question 8

Pennate Muscle

Answer 8

feather shaped; fascicles insert into a tendon that runs length wise

Question 9

Circular Muscle

Answer 9

rings; generally in body openings

Question 10

Muscle Compartments

Answer 10

A group of functionally related muscles enclosed and separated from each other by a fascia

Question 11

Direct Attachment

Answer 11

Little separation (to the naked eye) between the muscle and bone

Question 12

Indirect Attachment

Answer 12

Tendons bridge the gap between the muscle and the bone

Question 13

Origin

Answer 13

Bony attachment at stationary end of muscle

Question 14

Insertion

Answer 14

Bony attachment to mobile end of muscle

Question 15

Belly

Answer 15

Thicker, middle region of muscle between origin and insertion

Question 16

Action

Answer 16

Effect produced by a muscle

Question 17

Prime Mover

Answer 17

Muscle that produces the most force during a particular joint action

Question 18

Synergist

Answer 18

Muscle that aids the prime mover

Question 19

Antagonist

Answer 19

Muscle that opposes the prime mover

Question 20

Fixator

Answer 20

Muscle that prevents a bone from moving

Question 21

Intrinsic Muscle

Answer 21

Entirely contained within a particular region, having both its origin and insertion there

Question 22

Extrinsic Muscle

Answer 22

Acts upon a designated region but has its origins elsewhere

Question 23

innervation

Answer 23

Refers to the identity of the nerve that stimulates it

Question 24

Respiration Muscles

Answer 24

Diaphragm, External Intercostal, Internal Intercostal

Question 25

Diaphragm

Answer 25

Contraction expands thoracic cavity

Question 26

External Intercostals

Answer 26

Expands thoracic cavity

Question 27

Internal Intercostals

Answer 27

Depresses thoracic cavity

Question 28

Abdominal wall muscles (superficial to deep)

Answer 28

External Abdominal Oblique
Internal Abdominal Oblique
Transverse Abdominal
Rectus Abdominis