Muscles Of The Trunk

Question 0

Prime mover for shoulder flexion and adduction

Answer 0

Pectoralis Major

Question 1

The name means “Straight muscle of the abdomen”

Answer 1

Rectus Abdominis

Question 2

Prime mover of shoulder abduction

Answer 2

Deltoid

Question 3

Part of the abdominal girdle; forms the external lateral walls of the abdomen

Answer 3

External oblique

Question 4

Acting alone, each muscle of this pair turns the head toward the opposite shoulder

Answer 4

Sternocleidomastoid

Question 5

Name two muscle pairs that help form the natural abdominal girdle besides the Rectus Abdominis and the External Oblique

Answer 5

Internal Oblique and Transverse Abdominis

Question 6

Deep muscles of the thorax that promote the inspiratory phase of breathing

Answer 6

Internal Intercostal

Question 7

An unpaired muscle that acts with the muscles named immediately above to accomplish inspiration

Answer 7

Diaphragm

Question 8

Muscle that allows you to shrug your shoulders or extend your head

Answer 8

Trapezius

Question 9

Muscle that adducts the shoulder and causes extension of the shoulder joint

Answer 9

Latissimus Dorsi

Question 10

Shoulder muscle that is the antagonist of the Latissimus Dorsi

Answer 10

Deltoid

Question 11

Prime mover of back extension; a deep composite muscle consisting of three columns

Answer 11

Erector Spinae

Question 12

Large paired superficial muscle of the lower back (two possible answers)

Answer 12

Latissimus Dorsi or External Oblique