Appendicular Muscle Actions

Question 1

What is the action of the Trapezius?

Answer 1

Elevates, depresses, adducts, and rotates scapula
Elevate clavicle and extend neck

Question 2

What is the action of the serratus anterior?

Answer 2

Protract and rotate scapula

Question 3

What is the action of the Pectoralis Major?

Answer 3

Flex, adduct, and medially rotate the humerus

Question 4

What is the action of the Pectoralis Minor?

Answer 4

Depress and protract shoulders; rotate scapula

Question 5

What is the action of the Teres major?

Answer 5

Medial rotation of the arm

Question 6

What is the action of the Latissimus Dorsi?

Answer 6

Extend, adduct, and medially rotate the arm

Question 7

What is the action of the Teres Minor?

Answer 7

Lateral rotation of the arm

Question 8

What is the action of the Supraspinatus?

Answer 8

Abduct arm

Question 9

What is the action of the Infraspinatous?

Answer 9

Lateral rotation of the arm

Question 10

What is the action of the Subscapularis?

Answer 10

Medial Rotation of the arm

Question 11

What is the action of the Deltoid?

Answer 11

Extend, flex, and abduct arm

Question 12

What is the action of the Biceps Brachii [Long; Short]?

Answer 12

Flex elbow, supinate forearm, flex shoulder

Question 13

What is the action of the Triceps Brachii [Lateral; Long; Medial]?

Answer 13

Extend elbow, shoulder

Question 14

What is the action of the Gluteus Maximus?

Answer 14

Extend and abduct hip, laterally rotate the femur

Question 15

What is the action of the Gluteus Medius?

Answer 15

Abducts femur

Question 16

What is the action of the Gluteus Minimus?

Answer 16

Abducts femur

Question 17

What is the action of the Adductor Longus?

Answer 17

Adduct, medial/lateral rotation of the femur

Question 18

What is the action of the Adductor Magnus?

Answer 18

Adduct, medial/lateral rotation of the femur

Question 19

What is the action of the Tensor Fasciae Latae?

Answer 19

flexes and abducts hip, medial rotation of the femur

Question 20

What is the action of the Gracilis?

Answer 20

Adduct and medially rotate the femur

Question 21

What is the action of the Sartorius?

Answer 21

Lateral rotation of the femur, flex knee and hip

Question 22

What is the action of the Biceps Femoris [Long; Short]?

Answer 22

Extend hip, flex knee

Question 23

What is the action of the Semitendinosus?

Answer 23

Extend hip, flex knee

Question 24

What is the action of the Semimembranosus?

Answer 24

Extend hip, flex knee

Question 25

What is the action of the Vastus Intermedius?

Answer 25

Extend knee

Question 26

What is the action of the Vastus Medialis?

Answer 26

extend knee

Question 27

What is the action of the Rectus Femoris?

Answer 27

extend knee, flex hip

Question 28

What is the action of the Vastus Lateralis?

Answer 28

extend knee

Question 29

What is the action of the Gastrocnemius [Lateral; medial]?

Answer 29

Plantar flexes the foot, flexes knee

Question 30

What is the action of the Soleus?

Answer 30

Plantar flexes the foot

Question 31

What is the action of the Plantaris?

Answer 31

Plantar flexes the foot, flexes knee

Question 32

What is the action of the Tibialis Anterior?

Answer 32

Dorsi-flexes the foot, inversion

Question 33

What is the action of the Extensor digitorum longus?

Answer 33

Extends the digits

Question 34

What is the action of the Flexor digitorum longus?

Answer 34

flexes digits