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Flashcards in Geriatric Considerations Deck (10):
1

Periarticular connective tissue (PCT)

Ligaments joint capsule, aponeurosis, tendon, mm, skin: displays changes that result in increased stiffness of PCT; mobility is servilely compromised in the tissue

2

Age related changes: with PCT

-increased cross links in collagen
-decreased elastin
-predominance of collagen
-decreased water content in joints and tissues
-decreased hyaluronic acid
-increased fibrin protein

3

Decreased elastin:

-Designed for mobility, reduces with age
-Returns to shape after deformation, reduces with age
-Time sensitive more so than force sensitive with respect to changes

4

Predominance of collagen:

-Designed for immobility, increases with age
-Poor general mobility
-Excellent tolerance to tensile forces
-No tolerance to compression forces

5

Decreased ___ content in joint and ____

water
tissue

6

Decreased _______ acid

hyaluronic
naturally occurs in humans for eye and joint lubrication/moisturizer

7

Increased ______ protein involved in the clotting of ____: forms a _____

fibrin
blood
mesh

8

In relation to stretch:

-aging tissue has lost its ability to respond over time to prolonged stretch due to loss of elastin
-aging tissue also does not respond as well to large magnitudes of force due to alterations in plasticity (ability for tissue to change under load)
-Oscillations are the most effective way to increase ROM in the elderly (utilizing the physiological evidence above) evidence is not conclusive

9

Hyaline cartilage:

-Dehydrates and fibrillates (fragments and splits) which results in decreased ability to tolerate compression and tensile forces

10

Some loss of bone mass is ______ with aging; it may be so _____ as to be considered osteoporosis (especially in ______), which results in a decreased ability of bone to support loads & resist ______ forces.

associated
severe
women
external