Joint Biomechanics

Question 1

Where do 85-90% of all intervertebral disk herniations occur on the spinal column?

Answer 1

Between the lowest two lumbar vertebrae or between the lowest lumbar and the top sacral vertebra

Question 2

What is the better overall back position for lifting?

Answer 2

Neutral position

Question 3

Kyphotic

Answer 3

Slightly rounded

Question 4

Ventral

Answer 4

Toward the anterior

Question 5

Dorsal

Answer 5

Toward the posterior

Question 6

The abdomen is composed mainly of _____ and contains very little ____.

Answer 6

Fluid; gas

Question 7

Describe the Valsalva maneuver

Answer 7

The glottis is closed, keeping air from escaping the lungs and the muscles of the abdomen and rib cage contract.

Question 8

What are 2 negative side effects of the Valsalva maneuver?

Answer 8

Compressive force on the heart & transiently raise blood pressure.

Question 9

Tendinitis is simply a function of too much _____ and _____ without appropriate _____.

Answer 9

volume; intensity; progression

Question 10

What are the 2 primary characteristics of tendinitis?

Answer 10

swelling and tenderness