Rib Lecture

Question 1

Where do the anterior and middle scalene muscles attach?

Answer 1

Rib 1

Question 2

Where does the posterior scalene muscle attach?

Answer 2

Rib 2

Question 3

The contraction of which muscles can cause of anterior (inhalation) rib dysfunction?

Answer 3

Pectoralis Muscles (Mainly pectoralis minor M.)

Question 4

What ribs comprise the classification of a typical rib?

Answer 4

Ribs 3-9: Attach to a vertebrae (Thoracic)

Question 5

Which ribs comprise the classification of an atypical rib?

Answer 5

Ribs 1,2 10-12

Question 6

What is general rule regarding bucket v.s pump motion during respiration as one moves inferiorly along the ribs?

Answer 6

Superior –> Inferior = More Bucket handle motion

Question 7

Describe the difference between monitoring for bucket handle v.s pump handle motion in Ribs 1 &2.

Does one rib have a preferred mechanism over the other?

Answer 7

1) Ribs 1-2
Bucket Motion: Thumbs posterior, Index anterior.
Pump Motion: Index, middle, and ring anterior.

2) Rib 1: 50% Bucket, 50% Pump
Rib 2: Bucket Handle

Question 8

Which ribs have a primarily bucket handle motion during respiration?

Answer 8

Lower ribs: 7-10

Question 9

Which ribs have a mixed bucket and pump motion during respiration?

Answer 9

Middle Ribs: 3-6

Question 10

The floating ribs (11-12) exhibit a caliper type motion during respiration. What muscle group restricts this type of motion?

Answer 10

Quadratus Lumborum M.

Question 11

What classifies an inhalation rib dysfunction?

Answer 11

• If one has a exhalation restriction.

BITE: Top Exhalation

Question 12

What classifies an exhalation dysfunction?

Answer 12

• If one has an inhalation restriction.

BITE: Bottom Inhalation