Muscles can do this?

Question 1

3 characteristics that muscle names are based on

Answer 1

shape, size, & location

Question 2

The masseter and temporalis muscles contract when you do this

Answer 2

chewing food (mastication)

Question 3

These 2 muscles will cause flexion at your shoulder

Answer 3

deltoid & pectoralis major

Question 4

Name 4 rotator cuff muscles

Answer 4

teres minor, supraspinatus, infraspinatus, & subscapularis

Question 5

The broad, flat muscle of the lower back that extends, adducts, and medially rotates the shoulder

Answer 5

latissimus dorsi

Question 6

The 2 primary muscles of hip flexion that insert on the femur

Answer 6

psoas major & iliacus

Question 7

Which 2 muscles produce inspiration?

Answer 7

diaphragm & external intercostals

Question 8

Which muscle group is an antagonist for your quadriceps?

Answer 8

hamstrings

Question 9

The prominent muscle on the posterior aspect of your lower leg

Answer 9

gastrocnemius

Question 10

Which muscle of your brachium is used to do a push-up?

Answer 10

triceps brachii

Question 11

What muscle do you use when you pucker-up to give someone a kiss?

Answer 11

orbicularis oris

Question 12

What 2 muscles work together to close your mouth and help you chew?

Answer 12

masseter & temporalis

Question 13

What muscles will let you hold a phone between your shoulder and ear?

Answer 13

sternocleidomastoid & trapezius

Question 14

What muscle of the trunk extends the arm at the shoulder?

Answer 14

teres major, latissimus dorsi, & posterior deltoid

Question 15

What muscles elevate your shoulders, such as when you shrug?

Answer 15

levator scapulae & trapezius

Question 16

What muscles work hard to enable you to flex your abdomen during sit-ups?

Answer 16

abdominis (rectus, internal & external oblique)

Question 17

What group of muscles are antagonists to the rectus abdominis?

Answer 17

erector spinae

Question 18

Which muscles of the brachium extend the forearm at the elbow?

Answer 18

triceps brachii

Question 19

Which anterior arm (brachial) muscle can you observe when you flex at your elbow to lift a heavy object?

Answer 19

biceps brachii

Question 20

What action is common among the muscles on the anterior side of the forearm?

Answer 20

flexion of the wrist

Question 21

Which muscle will contract to allow you to squeeze your hand shut around an object?

Answer 21

flexor digitorum superficialis

Question 22

Which forearm muscle will contract to allow you to turn a doorknob clockwise, to open a door? (Assume you are right handed.)

Answer 22

supinator

Question 23

Which shoulder muscles would allow you to open the door (with your right hand)?

Answer 23

infraspinatus & teres minor

Question 24

Which muscle is primarily involved in pushing the thigh down when climbing stairs? (Hint: this muscle’s antagonist is the iliopsoas)

Answer 24

gluteus maximus

Question 25

Where is the common insertion of the muscles forming the quadriceps femoris?
Palpate this muscle group while standing up from a sitting or crouching position.

Answer 25

tibial tuberosity

Question 26

Which muscles contract to allow you to stand on tip-toes?

Answer 26

gastrocnemius & soleus

Question 27

Perform the action of flexion of the leg at the knee.

Palpate the posterior thigh as you do so, and list the muscles responsible for this movement.

Answer 27

hamstring group (biceps femoris, semitendinosus, & semimembranosus)

Question 28

How many heads of origin do you think the triceps brachii have?

Answer 28

3

Question 29

What can you determine about the brachioradialis on the basis of its name?

Answer 29

it originates on the brachium & inserts on the radius

Question 30

What do you think the adductor longus says about itself?

Answer 30

it is a long muscle that adducts