Muscles of Trunk

Question 1

Pectoralis Major

Answer 1

Makes up bulk of chest muscles.

Question 2

External Oblique

Answer 2

In abdomen. Flex and rotate the vertebral column. Also Flex torso and compress the abdomen.

Question 3

Internal Oblique

Answer 3

Also in abdomen. Flex and rotate the spine, support abdominal contents, help breathe.

Question 4

Rectus Abdominis

Answer 4

Helps flex the trunk, assists in breathing, and supports the spine. Aka: the Abs

Question 5

Transverse Abdominis

Answer 5

Located on side of abdomen. Core muscle. Engaged when a person laughs or coughs.

Question 6

Pectoralis Major

Answer 6

Situated on anterior chest wall.

Question 7

Gluteus Maximus

Answer 7

Largest muscle of buttock