Chapter 7

Question 0

Pectoralis Major

Answer 0

Adducts, flexes, and medially rotates the humerus inward.

Question 1

Pectoralis Minor

Answer 1

Depresses and abducts the scapula, rotates it down and stabilizes it.

Question 2

Serratus Anterior

Answer 2

Abducts the scapula and rotates it upward. It also lifts the ribs when the scapula is fixed.

Question 3

Internal Oblique

Answer 3

Compresses the abdomen and can rotate the vertebral column

Question 4

External Oblique

Answer 4

Compresses the abdomen and can rotate the vertebral column

Question 5

Rectus Abdominus

Answer 5

Flexes the lumber region of the vertebral column and compresses the abdomen

Question 6

Trapezius

Answer 6

Elevates and/or adducts the scapula, rotates the scapula up or down, and draws the head back when the shoulders are fixed.

Question 7

Rhomboideus Major

Answer 7

Elevates and rotates the scapula downward while adducting the arm

Question 8

Infraspinatus

Answer 8

It laterally rotates and abducts the arm at the shoulder

Question 9

Teres Minor

Answer 9

Laterally rotates, extends, and adducts the humerus at the shoulder and stabilizes the elbow joint

Question 10

Teres Major

Answer 10

Assists the extension of the humerus, medially rotates the humerus, helps rotate the scapula downward.

Question 11

Latissimus Dorsi

Answer 11

Extends, adducts, and medially rotates the arm at the shoulder. Also, draws back the arm inferiorly and posteriorly.

Question 12

Lumbodorsal Fascia

Answer 12

Connective tissue that acts as the origin for muscles at the lower back.

Question 13

Deltoid

Answer 13

Abducts the arm at the shoulder, flexes and medially rotates the arm at the shoulder, and extends and laterally rotates the arm at the shoulder

Question 14

Biceps Brachii

Answer 14

Flexes the arm and forearm at the shoulder and elbow respectively and rotates the radius to supinate the hand.

Question 15

Brachialis

Answer 15

Flexes the forearm at the elbow

Question 16

Triceps Brachii

Answer 16

Antagonistic to the brachialis, extends the forearm and arm at the elbow and shoulder

Question 17

Extensor Carpi Radialis

Answer 17

Extends and abducts the hand at the wrist functioning in radial hand movement at the wrist

Question 18

Pronator Teres

Answer 18

Pronates the forearm and aids in flexing the forearm at the elbow

Question 19

Brachioradialis

Answer 19

Flexes the forearm at the elbow and supinates and pronates the forearm at the joint between the radius and ulna so the forearm is in a neutral position.

Question 20

Flexor Carpi Radialis

Answer 20

Flexes and abducts the hand at the wrist

Question 21

Supraspinatus

Answer 21

Aids the deltoid when abducting the arm at the humerus

Question 22

Extensor Digitorum

Answer 22

Extends the four medial digits, spreads the digits as it extends them, extends the wrist if the fingers are flexed.

Question 23

Tensor Fasciae Latae

Answer 23

Flexes and rotates the thigh way from the midline at the hip

Question 24

Pectineus

Answer 24

Flexes and draws the thigh toward the midline at the hip and medially rotates the thigh

Question 25

Adductor Longus

Answer 25

Laterally rotates the thigh toward the midline and flexes the thigh at the hip

Question 26

Sartorius

Answer 26

Flexes the calf at the knee and flexes, abducts, and laterally rotates the thigh if flexed at the hip

Question 27

Extensor Digitorum Longus

Answer 27

Extends the four lateral toes and everts the foot at the ankle

Question 28

Vastus Lateralis

Answer 28

Extends the leg at the knee

Question 29

Rectus Femoris

Answer 29

Extends the leg at the knee. Also flexes the thigh at the hip.

Question 30

Gluteus Maximus

Answer 30

Laterally rotates and extends the thigh at the hip

Question 31

Semitendinosus

Answer 31

Flexes the leg at the knee, extends the thigh at the hip, and medially rotates the thigh

Question 32

Biceps Femoris

Answer 32

Flexes the leg at the knee, extends the thigh at the hip, and rotates the thigh laterally if flexed.

Question 33

Calcaneal Tendon

Answer 33

Serves as the insertion point for the superficial muscles of the calf

Question 34

Vastus Medialis

Answer 34

Extends the leg at the knee

Question 35

Gastrocnemius

Answer 35

Plantar flexes the foot at the ankle and flexes the leg at the knee, (when not bearing weight)

Question 36

Soleus

Answer 36

Plantar flexes the foot at the ankle, it is located beneath the gastrocnemius.

Question 37

Tibalis Anterior

Answer 37

Dorsally flexes the foot at the ankle and inverts and adducts the foot

Question 38

Peroneus Longus

Answer 38

Everts and abducts the foot. It also weakly provides plantar flexion of the foot at the ankle and everts the foot at the intertarsal joints.

Question 39

Semimembranosus

Answer 39

Flexes the leg at the knee, extends the thigh at the hip, and medially rotates the tibia.

Question 40

Patellar Ligament

Answer 40

Connects the tibial tuberosity to the quadriceps tendon.