Final - Muscle Actions

Question 1

The location of muscle can be used to predict its action.

1. Because the latissimus dorsi is found on the _______ side of the humerus

it _________the humerus at the glenohumeral joint

Question 2

2. Because the semitendinosus is found on the _______ side of your thigh

It __________the tibia at the tibofemoral joint

Answer 2

Posterior

Extends

Question 3

3.
Because the biceps brachii is found on the __________ side of the arm

It _________the radius & ulna at the elbow.

Answer 3

Anterior

Flexes

Question 4

Orbicularis oris is one muscle that elevates the mandible ( allowing you to clench your jaw)

True or false

Answer 4

False

Question 5

5. The muscle that closes the eyelids is ___________

Answer 5

Orbicularis oculi

Question 6

6. Because the gluteus medius is found is found on the _____________

Question 7

7.
Because the teres major is found on the _________ side of the humerus

It __________ the humerus at the glenohumeral joint

Answer 7

Posterior

Extends

Question 8

8.
Because the pectoral major if found on the __________ of the humerus
Anterior/posterior

it __________the humerus at the glenohumeral joint.

Adducts or Abducts

Answer 8

Anterior and posterior

Adducts

Question 9

9.
Because tibialis anterior is found on the ________ side of the leg,

Posterior or anterior

It _______ the foot at the tibiotarsal
joint

Plantarflexes or Dorsiflexes

Answer 9

Anterior

Dordiflexes

Question 10

10.
Because vastus medialusis if found on the ____________ side of the thigh,

Posterior or anterior

It _________the tibia at the tibiofemoral joint.

Extends or Flexes

Looks like a tear drop

Answer 10

Anterior

Extends ( at the knee joint )

Question 11

11.
Because extensor carpi ulnaris is found on the ___________ side of the arm

Posterior or anterior

It _______ the hand at the wrist joint

Extends or Flexes

Answer 11

Posterior

Extends

Question 12

12.
Because rectus femoris is found on the __________ side of the thigh

Posterior or anterior

It ________ the femur at the coxal joint

extends or flexes

Answer 12

Anterior

Flexes

Question 13

13.
Because semitendinous is found on the ________ side of the thigh

Posterior or Anterior

It __________ the femur at the coxal joint

It _____ the femur at the coxal joint

Extends or Flexes

Answer 13

Posterior

Extends

Question 14

14.
Because palmaris longus is found on the _________ side of the arm

Posterior or Anterior

It __________ the hand at the wrist

Answer 14

Anterior

Flexes

Question 15

15.
When the intercostal muscles contract,
the size of the thoracic cavity ________

Decreases or Increases

Based on this size change, the internal intercostals assist with the process of _________

Exhalation or Inhalation

Answer 15

Decrease

Exhalation

Question 16

16.
Because biceps femoris is found on the ______ side of the thigh

Posterior or Anterior

It ________ at the femur at the coxal joint

Extends or Flexes

Answer 16

Posterior

Extends

Question 17

17.
The muscle that wrinkles your forehead

Answer 17

Frontails

Question 18

18.
The muscle that allows you to pucker your lips

Answer 18

Orbicularis

Question 19

19.
Because the tensor fascia latae is found on the __________ side of the thigh

Lateral or Anterior

It ___________ the femur at the coxal joint

Adducts or Abducts

Answer 19

Lateral

Abducts

tensor facia latae (TFL is an abductor muscle)

Question 20

20.
The internal oblique muscles are found on the ______ of the torso

Lateral or Anterior

Based on their location, the internal oblique muscles move the torso
_______________

Answer 20

Lateral sides

Laterally