Ch 10

Question 1

Muscular System

Answer 1

Makes up almost 1/2 of your body weight.

Question 2

Axial Muscles

Answer 2

Support and position the axial skeleton.

Question 3

Appendicular Skeleton

Answer 3

Support,move,and brace the limbs.

Question 4

Parallel Muscle

Answer 4

Are parallel to the long axis of the muscle.

Question 5

Convergent Muscle

Answer 5

Muscle fascicles extending over a broad area converge on a common attachment site.

Question 6

Pennant Muscle

Answer 6

the fascicles form a common angle with the tendon.

Question 7

Circular muscle

Answer 7

the fascicles are concentric ally arranged to encircle a duct, tube, or opening.

Question 8

Lever

Answer 8

a rigid structure, such as a board or crowbar, used to lift or pry something that pivots on a fixed point called the fulcrum

Question 9

first class lever

Answer 9

lies between the applied force and the load

Question 10

second class lever

Answer 10

the load is located between the applied force and the fulcrum

Question 11

third class levers

Answer 11

the force is applied between the load and the fulcrum

Question 12

origin

Answer 12

the place where the fixed end attaches

Question 13

intermuscular septa

Answer 13

components of the deep fascia that may separate adjacent skeletal muscles

Question 14

insertion

Answer 14

the site where the movable end attaches to another structure

Question 15

Action

Answer 15

When a muscles contract or produces a specific movement

Question 16

agonist or prime mover

Answer 16

a muscle whose contraction is chiefly responsible for producing a particular movement

Question 17

synergist

Answer 17

helps larger agonist work efficiently

Question 18

fixators

Answer 18

synergist that assist an agonist by preventing movement at another joint

Question 19

muscles of the facial expression

Answer 19

originate on the surface of the skull

Question 20

muscles of the vertebral column

Answer 20

arranged in several layers