Effect Of Bedrest

Question 1

Which muscle fiber type is decreased the most with immobilization

Answer 1

Type I muscle fiber

Question 2

Main muscle groups that lose strength with bedrest

Answer 2

Quads and extensor

Question 3

Percentage of muscle mass lost per week with immobilization

Answer 3

5-10%

Question 4

Effect of immobilization on sympathetic

Answer 4

Beta-adrenergic sympathetic activity is increased

Question 5

Calcium is excreted in urine and feces after how many days of immobilization

Answer 5

2-3 days

Question 6

Nitrogen loss begins at how many days after immobilization

Answer 6

5-6 days

Question 7

Effect of immobilization on calcium

Answer 7

Hypercalcemia

Question 8

Effect of immobilization on blood and plasma volume

Answer 8

Decreased blood and plasma volumes

Question 9

Effect of immobilization on bone

Answer 9

It can cause osteopenia

Question 10

Effect of immobilization on HR and SV

Answer 10

Increase resting HR at 0.5 beats/min/day and decreased SV

Question 11

Impairment vs handicap vs disability

Answer 11

Impairment = physical abnormality
Disability = inability to perform due to impairment
Handicap = decreased role in society due to impairment and disability

Question 12

Immobilization decreases strength by how much?

Answer 12

1-1.5%/day; 20-30%/week; 50%/5wks;