Skeletal Muscles Of The Throax

Question 1

Adducts, flexes, and medially rotates the humerus inward.

Answer 1

Pectoralis Major

Question 2

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

Answer 2

Serratus Anterior

Question 3

Compresses the abdomen and can rotate the vertebral column.

Answer 3

Internal Oblique

Question 4

Compressed the abdomen and can rotate the vertebral column.

Answer 4

External Oblique

Question 5

Flexes the lumbar region vertebral column and compresses the abdomen.

Answer 5

Rectus Abdominis

Question 6

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

Answer 6

Pectoralis Minor

Question 7

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

Answer 7

Trapezius

Question 8

Elevates and rotates the scapula downward while adducting the arm.

Answer 8

Rhomboideus Major

Question 9

In laterally rotates and abducts the arm at the shoulder.

Answer 9

Infraspinatus

Question 10

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

Answer 10

Teres Minor

Question 11

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

Answer 11

Teres Major

Question 12

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

Answer 12

Latissimus Dorsi

Question 13

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

Answer 13

Lumbodorsal Fascia