Muscular System 1-13

Question 1

myo

Answer 1

muscle

Question 2

epi

Answer 2

upon; above; on

Question 3

endo

Answer 3

within; inside

Question 4

peri

Answer 4

around

Question 5

sacro

Answer 5

flesh

Question 6

mere

Answer 6

part

Question 7

What is the outer layer of fascia called?

Answer 7

Epimysium

Question 8

What divides the muscle fibers into bundles?

Answer 8

Perimysium

aka = Fascicles

Question 9

What is the inner layer of fascia?

Answer 9

Endomysium

Question 10

Each muscle fiber has bundles of cylindrical organelles that extend the entire length of the cell is called?

Answer 10

Myofibrils

Question 11

Myofibrils are composed of 2 smaller myofilaments that are called what?

Answer 11

Actin

Myosin

Question 12

Actin

Answer 12

Is the thin filament

Question 13

Myosin

Answer 13

Is the thick filament

Question 14

Each segment of the Myofibrils are called what?

Answer 14

Sarcomere

Question 15

When a muscle cell gets the signal to contract, the myosin heads bind to the actin filament and pull the actin fibers closer to the middle of the sarcomere this is called what?

Answer 15

Sliding Filament Mechanism

Question 16

What is the smallest contractile unit of a muscle?

Answer 16

Sarcomere

Question 17

What are the 3 different types of muscle contractions?

Answer 17

Tonic
Isometric
Isotonic

Question 18

A constant low grade tension of the muscles is called?

Answer 18

Tonic

Does not create movement (aka posture)

Question 19

A tension that is much higher then a tonic contraction is called?

Answer 19

Isometric

Does not create movement.

Question 20

A strong contraction in the muscle that creates movement is called?

Answer 20

Isotonic

Question 21

What are the two different Isotonic contractions?

Answer 21

1. Concentric - the muscle shortens at the 2 attatchment sights.
2. Eccentric - the muscle lengthens at the attachments move farther apart.

Question 22

Where we are in space is called?

Answer 22

Proprioceptors

Question 23

This is imbedded in joint capsules and ligaments and monitor the pressure, tension and movement of a joint.

Answer 23

Joint Receptors

Question 24

This is found in the muscle cells, and they monitor changes in muscle length.

Answer 24

Muscle Spindles

Question 25

This if found mainly in muscle tendons and monitor the tension level of tendons during muscle contraction.

Answer 25

Golgi Tendon Organ

Question 26

What are the functions of the Muscular System?

Answer 26

1. Movement of the body
2. Maintains posture
3. Helps stabilize joints
4. Generates heat to maintain body temperatures

Question 27

What is the clinical connection of massage for muscles?

Answer 27

1. Relieves muscular pain
2. Decrease adhesions
3. Enhances muscle & joint function
4. Improves skin & body tone
5. Relieves fatigue
6. Increases local circulation & blood flow
7. Slows heart rate

Question 28

Pathologies: Carpal Tunnel

Answer 28

Indicated

Question 29

Pathologies: Planter Fascitis

Answer 29

Indicated

Cautions: Cortisone injections

Question 30

Pathologies: Shin splints

Answer 30

Indicated

Cautions: Acute, compartment syndome (red, hot, swelling)

Question 31

Pathologies: Spasms & Cramps

Answer 31

Indicated

Cautions: Splinting

Question 32

Pathologies: Sprains & Strains

Answer 32

Indicated, locally contraindicated

Cautions: light work

Question 33

Pathologies: Fibromyalgia

Answer 33

Indicated

Cautions: Gentle work, light