lecture 2

Question 1

Wolff’s law= spec to ___, Davis law= spec to ___

Answer 1

Bone
Musc

Question 2

Type 1 vs 2 collagen

Answer 2

1: lig and tendon
2: articular cartilage

Question 3

Forces on bones

Answer 3

Compression (osteoblast, inc bone prod)/tension

Decompression (bone break down)/ no tension

Question 4

Forces on articular cartilage

Answer 4

Compression/de
Gliding

Question 5

Forces on lig, tendons

Answer 5

Tension
No tension (adaptive shortening, contracture)

Question 6

What are the effects of stretching?

Answer 6

Inc tensile strength
Inc length of collagen
Prevents scar formation

Question 7

Does stretching improve ROM?

Answer 7

Yes, in the first 8 weeks get use to sensation

Question 8

T/F: stretching helps prevent DOMS

Answer 8

F

Question 9

Should you stretch during inflammatory stage?

Answer 9

Not in area affected, can stretch antagonist and other musc/tissues

Question 10

Inflame stage = ___ days, prolif? maturation?

Answer 10

3-5
2 days –> 6-8 weeks
2 mo –> years

Question 11

Can you do scar mobilization during prolif/mat stage?

Answer 11

Yes, can also move through ROM, apply gentle resistance

Question 12

Precautions of stretching

Answer 12

Inflamm phase (NO stretch)

Early prolif (gentle)

Lvl of irritability of pt

Health conditions affect quality of collagenous tissue

Question 13

Should you warm up?

Answer 13

Yes, inc circulation (lowers stress curve)

Can use US, MHP (through musc= effective)

Question 14

Principles and considerations of stretching

Answer 14

Stabilize prox musc, move oth

Protect, control mvt @b adjacent joints

Correct osteokinematics

Stretch= not painful