Chapter 3 Thorax and Ribcage

Question 1

T1-3 rule of 3’s?

Answer 1

SP is located at level of corresponding TP

Question 2

T4-6 rule of 3’s?

Answer 2

SP is located one-half a sefment below the corresponding TP

Question 3

T7-9 rule of 3’s?

Answer 3

SP is located at level of TP of vertebrae below

Question 4

Follows same rules as T7-9?

Answer 4

T10

Question 5

Follows same rules as T5-7?

Answer 5

T11

Question 6

Follows same rules as T1-3?

Answer 6

T12

Question 7

Spine of scapula is at what level?

Answer 7

T3

Question 8

Inferior angle of scapula corresponds with what?

Answer 8

Spinous process of T7

Question 9

Sternal notch is at what level?

Answer 9

T2

Question 10

Sternal angle (angle of Louis) attaches to which rib and what level is it?

Answer 10

2nd rib, level of T4

Question 11

What is the main motion of the thoracic spine?

Answer 11

Rotation

Question 12

Upper and middle thoracic spine motion?

Answer 12

Rotation > flexion/extension > SB

Question 13

Lower thoracic spine motion?

Answer 13

Flexion/extension > SB > rotation

Question 14

Primary muscles of respiration?

Answer 14

Diaphragm, intercostals

Question 15

Rib attachments for diaphragm?

Answer 15

Ribs 6-12 b/l

Question 16

Vertebral attachments for diaphragm?

Answer 16

L1-3

Question 17

Anterior attachment for diaphragm?

Answer 17

Xiphoid

Question 18

Action of intercostal muscles?

Answer 18

Elevate ribs during inspiration and prevent retractions during inspiration

Question 19

Secondary muscles of respiration?

Answer 19

Scalenes, pec minor, serratus anterior/posteiror, quadratus lumborum, latissimus dorsi

Question 20

What makes a typical rib typical?

Answer 20

Contains Shaft, Head, Angle, Neck, Tubercle (SHANT)

Question 21

What is the difference bt head and tubercle of rib?

Answer 21

Head–articulates with vertebra above and corresponding vertebra; tubercule–articulates with corresponding TP

Question 22

Typical ribs?

Answer 22

3-10

Question 23

Atypical ribs?

Answer 23

1, 2, 11, 12 (ribs with “1” and “2”), sometimes 10

Question 24

Reason why rib 1 is atypical?

Answer 24

Articulates only with T1 and has no angle

Question 25

Reason why rib 2 is atypical?

Answer 25

Has large tuberosity on shaft for serratus anterior

Question 26

Reason why ribs 11 and 12 are atypical?

Answer 26

They articulate only with corresponding vertebrae and lack tubercles

Question 27

Reason why rib 10 may be atypical?

Answer 27

May articulate only with T10

Question 28

True ribs?

Answer 28

1-7 (attach to sternum thru costal cartilages)

Question 29

False ribs?

Answer 29

8-12 (connected by its costal cartilage to the cartilage of the rib superior)

Question 30

Floating ribs?

Answer 30

11, 12

Question 31

Rib motions?

Answer 31

Pump handle, bucket handle, caliper

Question 32

Move primarily in pump handle?

Answer 32

Ribs 1-5

Question 33

Move primarily in bucket handle?

Answer 33

Ribs 6-10

Question 34

Move primarily in caliper?

Answer 34

Ribs 11 and 12

Question 35

Rib appears to be "held up", will not move caudad?

Answer 35

Inhalation dysfunction

Question 36

Rib appears "held down", will not move cephalad?

Answer 36

Exhalation dysfunction

Question 37

Rib elevated anteriorly?

Answer 37

Pump handle inhalation dysfunction (depressed anteriorly for exhalation dysfunction)

Question 38

Rib elevated laterally?

Answer 38

Bucket handle inhalation dysfunction (depressed laterally for exhalation dysfunction)

Question 39

Anterior narrowing of intercostal space above dysfunctional rib?

Answer 39

Pump handle inhalation dysfunction (opposite for exhalation dysfunction)

Question 40

Lateral narrowing of intercostal space above dysfunctional rib?

Answer 40

Bucket handle inhalation dysfunction (opposite for exhalation dysfunction)

Question 41

Superior edge of posterior rib angle is prominent?

Answer 41

Pump handle inhalation dysfunction (opposite for exhalation dysfunction)

Question 42

Lower edge of rib shaft is prominent?

Answer 42

Bucket handle inhalation dysfunction

Question 43

What is the key rib responsible for group inhalation dysfunctions?

Answer 43

Lowest rib

Question 44

What is the key rib responsible for group exhalation dysfunction?

Answer 44

Uppermost rib

Question 45

Where is tx directed for a group dysfunction?

Answer 45

Key rib