Chapter 8 Part 2: The muscular system

Question 0

The fleshy portion of a muscle

Answer 0

Belly

Question 1

Part of the muscle name referring to fibers parallel to midline

Answer 1

Rectus

Question 2

The end of a muscle attached to the stationary bone

Answer 2

Origin

Question 3

Part of the muscle name referring to the smallest set of muscles

Answer 3

Minor

Question 4

A muscle that stabilizes the origin of a prime mover

Answer 4

Fixators

Question 5

The biceps brachii and triceps brachii muscles function as

Answer 5

Antagonists

Question 6

Muscles that help the prime mover function more efficiently

Answer 6

Synergist

Question 7

Part of a muscle name referring to a two-headed origin

Answer 7

Biceps

Question 8

Part of a muscle name referring to a muscle with a circular shape

Answer 8

Orbicularis

Question 9

Muscles generally move to the bone they lie _______ to

Answer 9

Proximal

Question 10

In order to move a bone, a muscle must have its _____ on that bone

Answer 10

Insertion

Question 11

Part of the muscle name referring to fibers perpendicular to midline

Answer 11

Transverse

Question 12

Muscles of the back (posterior trunk) function to do what action to the head, trunk, and upper arm?

Answer 12

Extend

Question 13

A muscle that produces and effect opposite of the prime mover

Answer 13

Antagonist

Question 14

Part of a muscle name referring to the largest of a set of muscles

Answer 14

Maximus

Question 15

The end of a muscle attached to the movable bone

Answer 15

Insertion

Question 16

Part of a muscle name referring to a muscle with a triangular shape

Answer 16

Deltoid

Question 17

Part of a muscle name referring to a three-headed origin

Answer 17

Triceps

Question 18

Most movement occur due to the contraction of a ____ of muscles

Answer 18

Group

Question 19

The hamstring muscles function to do what action to the lower leg?

Answer 19

Flex

Question 20

Fixators ______ the origin of the prime mover so that the prime mover can act more efficiently

Answer 20

Stabilizes

Question 21

“Smiling” muscle

Answer 21

Zygomaticus major

Question 22

Rotates the vertebral column to twist us sideways

Answer 22

External oblique

Question 23

Flexes and rotates the head

Answer 23

Sternocleidomastoid

Question 24

Used in crossing our legs- flexes the leg at the knee joint and abducts and laterally rotates the thigh at the hip joint

Answer 24

Sartorius

Question 25

Together with the adductor group, addicts the thigh at the hip joint

Answer 25

Gracilis

Question 26

Closes the eyelids

Answer 26

Orbicularis oculi

Question 27

Extends the arm when the posterior portion contracts, abducts the arm when the lateral portion congrats, and flexes the arm when the anterior portion contracts.

Answer 27

Deltoid

Question 28

Abducts, flexes, or extends the arm at the shoulder joint

Answer 28

Deltoid

Question 29

Muscle on the thumb side that flexes the hand

Answer 29

Flexor carpi radialis

Question 30

Group that flexes the lower leg and extends the thigh

Answer 30

Hamstrings

Question 31

Arm muscle that flexes arm and forearm

Answer 31

Biceps brachii

Question 32

Works with the sole us to plantarflex the foot

Answer 32

Gastrocnemius

Question 33

Group that extends the leg at the knee joint

Answer 33

Quadriceps