SCI respiration

Question 1

intact respiratory mm in C1-2 injury

Answer 1

resp. mm intact: SCM, upper traps, cervical extensors

Question 2

innervation to traps

Answer 2

CN-11

Question 3

predicted FVC for C1-2 injury

Answer 3

<10%

Question 4

predicted FVC for C3-4 injury

Answer 4

10-40%

Question 5

predicted FVC for C5 injury

Answer 5

35-55%

Question 6

predicted FVC for C6-8 injury

Answer 6

40-70%

Question 7

predicted FVC for T1-4 injury

Answer 7

45-75%

Question 8

predicted FVC for T5-10 injury

Answer 8

60-95%

Question 9

predicted FVC for T11 injury and below

Answer 9

> 80%

Question 10

intact respiratory mm in C3-4 injury

Answer 10

scalenes, levator scap, upper traps, rhomboids, partial diaphragm

Question 11

intact respiratory mm in C5 injury

Answer 11

diaphragm, pec major, serratus anterior, rhomboids-diaphragmatic breathing begins here

Question 12

intact respiratory mm in C6-8 injury

Answer 12

diaphragm, pec major, pec minor, serratus, lats

Question 13

intact respiratory mm in T1-4 injury

Answer 13

diaphragm, accessory, upper intercostals=> diaphragmatic breathing with moderate ant and lateral chest expansion.

Question 14

intact respiratory mm in T5-10 injury

Answer 14

diaphragm, intercostals, segmental abs=>minimal belly rise due to intact abdominal muscles

Question 15

intact respiratory mm in T11 (and below) injury

Answer 15

all of above. equal diaphragmatic and chest wall motion. posterior expansion may be limited due to bowel impaction or diminished pelvic tone

Question 16

mechanical ventilation needed if

Answer 16

C1-3 motor complete