Skeletal Muscles

Question 1

Raises eyebrows

Wrinkles Forehead

Answer 1

Occipito-Frontalis

Question 2

Compresses cheek “sour”

Answer 2

Buccinator

Question 3

Elevates corner of mouth (smile)

Answer 3

Zygomaticus

Question 4

Depresses corner of mouth (frown)

Answer 4

Depressor Anguli oris

Question 5

Draws eyebrows toward midline

“Anger/disgust”

Answer 5

Corrugator supercilli

Question 6

Closes eye

“Sleep/pain”

Answer 6

Orbicularis oculli

Question 7

Closes mouth

“Kissing muscle”

Answer 7

Orbicularis oris

Question 8

Raises and furrows upper lip

“Snarl”

Answer 8

Levator Labii superioris

Question 9

Lowers lower lip

“Pout”

Answer 9

Depressor Labii inferioris

Question 10

Depresses mandible

Answer 10

Digastric

Question 11

Elevates mandible

Attaches to large salivary gland

Answer 11

Masseter

Question 12

Elevates mandible

Attaches to temporal bone

Answer 12

Temporalis

Question 13

Flexes Head

Part of the neck and shoulders

Answer 13

Sternocleidomastoid

Question 14

Extends head

Part of neck and shoulders

Answer 14

Splendius capitus

Question 15

Extends head

Moves scapula posteriors

Answer 15

Trapezius

Question 16

Flexes arm
Extends arm
Abducts arm

Answer 16

Deltoid

Question 17

Moves scapula anteriorly

2 muscles of the chest

Answer 17

Pectoralis minor

Serratus anterior

Question 18

Flexes arm

Answer 18

Pectoralis major

Question 19

Increases thoracic volume

Answer 19

Diaphragm

Question 20

Elevates ribs

Increases thoracic volume

Answer 20

External intercostalis

Question 21

Depresses ribs

Decreases thoracic volume

Answer 21

Internal intercostalis

Question 22

Back muscle that:
Extends arm
Adducts arm

Answer 22

Lattisumus Dorsi

Question 23

Muscle in the back that:

Extends trunk

Answer 23

Erector Spinae

Question 24

Anterior part of upper arm that:
Flexes arm
Flexes forearm

Answer 24

Biceps brachii

Question 25

Posterior muscle of upper arm that: Extends arm Extends forearm

Answer 25

Triceps brachii

Question 26

Abdominal muscle that: Flexes trunk Decreases thoracic volume Increases intraabdominal pressure

Answer 26

Rectus abdominus

Question 27

``` Abdominal muscle that: Decreases thoracic volume Flexes trunk Increases intrabdominal pressure Superficial ```

Answer 27

External abdominal oblique

Question 28

``` Abdominal muscle that: Decreases thoracic volume Flexes trunk Increases intrabdominal pressure Deep ```

Answer 28

Internal abdominal oblique

Question 29

Abdominal muscle that: Decreases thoracic volume Increases intrabdominal pressure Inside of mannequins abdomen

Answer 29

Transverse abdominus

Question 30

What are the two muscles in the iliopsoas group? | These both flex the trunk and flex thigh.

Answer 30

Psoas major | Iliacus

Question 31

This major butt muscle extends the thigh.

Answer 31

Gluteus maximus

Question 32

This butt muscle abducts the thigh.

Answer 32

Gluteus medius

Question 33

This upper leg/hip muscle adducts the thigh.

Answer 33

Adductors

Question 34

This upperleg/hip muscle flexes and adducts the thigh.

Answer 34

gracilis

Question 35

Name the 4 quadriceps femoris muscles and their action.

Answer 35

1. Rectus femoris 2. Vastus lateralis 3. Vastus medialis 4. Vastus intermedius Extend the knee

Question 36

Name the 3 muscles of the hamstring group and their action.

Answer 36

1. Biceps femoris 2. Semitendinosus 3. Semimembranosus Extend thigh and flex leg at knee

Question 37

Starts at top of rectus femoris and flexes thigh. Snake like

Answer 37

Sartorius

Question 38

This is the calf. It’s action is plantar flexion and flexes the leg.

Answer 38

Gastrocnemius

Question 39

This is below and center to the gastrocnemius and it’s action is plantar flexion.

Answer 39

Soleus

Question 40

This calf muscle is lateral to the tibia and is responsible for dorsiflexion.

Answer 40

Tibialis anterior

Question 41

``` Visceral organs Spindle fibers 1 nucleus Non striated Involuntary ```

Answer 41

Smooth muscle tissue

Question 42

``` Heart Y Branches 1 nucleus Striated intercalated discs Involuntary with automaticity ```

Answer 42

Cardiac muscle tissue

Question 43

``` Muscles attach to bony skeleton Long fibers Multinucleated Striated Voluntary ```

Answer 43

Skeletal muscle tissue