Abdomen

Question 1

External oblique

[Insertion & Action]

Answer 1

Insertion: Linea alba
Action: Flex vertebral column

Question 2

Internal oblique

[Insertion & Action]

Answer 2

Insertion: Linea alba
Action: Flex vertebral column

Question 3

Transverse abdominis

[Insertion & Action]

Answer 3

Insertion: Linea alba
Action: Compress abdominal contents

Question 4

Rectus abdominis

[Action]

Answer 4

Flex vertebral column

Question 5

Pectoralis major

[Origin, Insertion, Action]

Answer 5

Origin: Clavicle & Sternum
Insertion: short tendon into intertubercular sulcus of humerus
Action: Adduct arm

Question 6

Pectoralis minor

[Origin, Insertion, Action]

Answer 6

Origin: Anterior surface of ribs 3-5 near their costal cartilages
Insertion: Coracoid process of scapula
Action: draw scapula forward & inferiorly

Question 7

Serratus ventralis ((anterior))
[Origin, Insertion, Action]

Answer 7

Origin: Lateral aspect of ribs 1-8
Insertion: Vertebral border of anterior surface of scapula
Action: Protect & hold scapula against chest wall

Question 8

Scalenes

[Action]

Answer 8

Flex & rotate neck

Question 9

External intercostals

[Origin, Insertion, Action]

Answer 9

Origin: Inferior border of rib above
Insertion: Superior border of rib below
Action: Pull ribs toward one another to elevate rib cage

Question 10

Internal intercostals

[Origin, Insertion, Action]

Answer 10

Origin: Superior border of rib below
Insertion: Inferior border of rib above
Action: Draw ribs together to depress rib cage