Topic 3 Muscles

Question 1

Naming Muscles by shape - what do Deltoid shape muscles look like?

Answer 1

like a triangle

Question 2

Naming Muscles by shape - what do Rhombus muscles look like

Answer 2

like a diamond BUT more like a square flipped on its tip

Question 3

Naming Muscles by shape - what do Quadrate muscles look like

Answer 3

like a square

Question 4

Naming Muscles by shape - what do Serrated muscles look like

Answer 4

like a serrated blade.

Question 5

Naming Muscles by Size- How large is a Maximus muscle?

Answer 5

the Largest muscle of the group

Question 6

Naming Muscles by Size- How large is a Medius muscle

Answer 6

the mid range/medium size muscle in the group

Question 7

Naming Muscles by Size- How large is a Minimus Muscle

Answer 7

The smallest size muscle in the group

Question 8

Naming Muscles by Size- How long is a Brevis muscle

Answer 8

short

Question 9

Naming Muscles by Size- How long is a longus muscle

Answer 9

long

Question 10

Naming Muscles Relative location - in what direction from midline is a lateralis

Answer 10

away from midline

Question 11

Naming Muscles Relative location - in what direction from midline is a medialis

Answer 11

toward the midline

Question 12

Naming Muscles Action - A Flexor increases or decreases the angle of a joint?

Answer 12

a flexor decreases the angle at the joint.

Question 13

Naming Muscles Action - A Extensor increases or decreases the angle of a joint?

Answer 13

a Extensor increases the angle of the joint

Question 14

Naming Muscles Action - A Abductor Moves the bone towards or away from midline?

Answer 14

Moves the bone away from midline

Question 15

Naming Muscles Number of Origins - how many origins does Bi and Tri prefix nomenclature indicate respectively

Answer 15

2 and 3 origins respectively

Question 16

Naming Muscles Number of muscles in a group - Quadriceps is a muscle group made up of how many muscles?

Answer 16

4

Question 17

Naming Skeletal Muscles Direction of the fibers - Rectus fibers indicate fibers in what direction?

Answer 17

in a straight direction

Question 18

Naming Skeletal Muscles Direction of the fibers - Oblique fibers indicate fibers in what direction?

Answer 18

fibers at an angle

Question 19

Naming Skeletal muscles Attachment sites - What is always named first?

Answer 19

the origin/s

Question 20

How it works; Tendons, origins and Insertions - (to move) How is tension created?

Answer 20

by the contraction of fibers

Question 21

How it works; Tendons, origins and Insertions - in most skeletal muscles where is most of the tension transferred to?

Answer 21

The tendons

Question 22

How it works; Tendons, origins and Insertions - What are tendons? (what type of connective tissue are they made of), and where do they connect

Answer 22

Strong bands of dense regular connective tissue that connects muscle to bones

Question 23

How it works; Tendons, origins and Insertions - To pull on a bone or change its angle, a skeletal muscle must be ________ to a ________part of the skeleton

Answer 23

attached ,

fixed

Question 24

How it works; Tendons, origins and Insertions - The movable end of the muscle that attaches to the bone being PULLED is called?

Answer 24

the muscles Insertion

Question 25

How it works; Tendons, origins and Insertions - The end of a muscle attached to a fixed(stabilized) bone is called?

Answer 25

the origin

Question 26

How it works; Prime Movers (Agonists) Synergists Fixators and Antagonists - The Principal muscle involved is called the_________ _________ or Agonist

Answer 26

prime mover or Agonist

Question 27

How it works; Prime Movers (Agonists) Synergists Fixators and Antagonists - The Synergist does what?

Answer 27

Assists the prime movers in the action

Question 28

How it works; Prime Movers (Agonists) Synergists Fixators and Antagonists - Synergist can also be a ______ that stabilizes the bone that is the attachment for the prime movers origin.

Answer 28

fixator

Question 29

How it works; Prime Movers (Agonists) Synergists Fixators and Antagonists - An antagonist action/job is?

Answer 29

a muscle with the opposite action of the prime mover

Question 30

How it works; Prime Movers (Agonists) Synergists Fixators and Antagonists - The first important function Antagonists play in muscle function is?

Answer 30

One: they maintain body or limb position (ex holding arm out or standing erect.)

Question 31

How it works; Prime Movers (Agonists) Synergists Fixators and Antagonists - The second important function Antagonists play in muscle function is?

Answer 31

they control rapid movement

Question 32

How it works; Prime Movers (Agonists) Synergists Fixators and Antagonists - EX. Extending the knee the quads are the _______and the hamstrings are the _________

Answer 32

agonist,

antagonist

Question 33

Skeletal Muscles that do not pull on bone 1. include the muscles that produce ___________

Answer 33

facial expressions

Question 34

Skeletal Muscles that do not pull on bone 2. - the _______, and external__________ and __________ __________

Answer 34

tongue,

urinary and anal sphincters

Question 35

Skeletal Muscles that do not pull on bone 3. -

Answer 35

the diaphragm