Thermal Modalities II (PPT and Reclec)

Question 1

refers to the medical use of
ultrasound waves for therapeutic purposes, such
as treating injuries and promoting healing

Answer 1

THERAPEUTIC ULTRASOUND

Question 2

MECHANISM OF HEAT PRODUCTION

Answer 2

Vibration
Molecular Movement
Friction
Heat

Question 3

Temp. rise in joints

Answer 3

7-8C°

Question 4

Temp. rise in muscle

Answer 4

2-3C°

Question 5

Temp. rise in area around the joint

Answer 5

3-5C°

Question 5

↑ motor nerve conduction

Answer 5

0.5 W/cm2

Question 6

↑ nerve conduction

Answer 6

3 W/cm2

Question 7

↓ nerve conduction

Answer 7

1-2 W/cm2

Question 8

Movement of drugs through the skin into the subcutaneous tissues under the influence of the ultrasound

Answer 8

Phonophoresis

Question 9

Mechanical effect produced by the
compression and rarefaction of waves (as
they pass thru to tissues)

Answer 9

MICROMASSAGE

Question 10

Formation of tiny gas bubbles in the
tissues as a result of US vibration

Answer 10

CAVITATION

Question 11

Movement of fluids along the boundaries
of cell membrane or tissue structures

Answer 11

ACOUSTIC STREAMING

Question 12

Formed due to reflected waves
superimposed (interfere) on the incident
waves

Answer 12

STANDING WAVES

Question 13

Can cause stasis of cells in blood vessels

Answer 13

STANDING WAVES

Question 14

deeper tissues or
target specific therapeutic goals

Answer 14

Higher intensities

Question 14

superficial tissues for
patients who are sensitive to the treatment

Answer 14

Lower intensities

Question 15

Power/strength of the US waves

Answer 15

Intensity

Question 15

Number of US waves emitted per second

Answer 15

Frequency

Question 15

Setting of the machine

Answer 15

Mode

Question 16

Rate of energy transfer from the unit to the
body

Answer 16

Intensity

Question 17

Duration of the session

Answer 17

Treatment length

Question 17

Twice as the size of the sound-head

Answer 17

Treatment size area

Question 18

Method: Parallel,
longitudinal,
circular FO8

Answer 18

Direct

Question 19

Method: Underwater,
rubber bags

Answer 19

Indirect

Question 20

Distance to skin: 8mm

Answer 20

Direct

Question 21

Couplant: Gel/cream

Answer 21

Direct

Question 22

Couplant: Degassed H2O

Answer 22

Indirect

Question 23

Distance to skin: 50mm/10-20mm

Answer 23

Indirect

Question 24

Surface: smooth and flat

Answer 24

Direct

Question 25

Surface: irregular

Answer 25

Indirect

Question 26

intensity: same

Answer 26

Direct

Question 27

advantage: best for irre. surfaces

Answer 27

indirect

Question 27

intensity: increase by 5w/cm2

Answer 27

Indirect

Question 27

advantage: greater coverage

Answer 27

direct

Question 28

disadvantage: messy

Answer 28

direct

Question 29

disadvtange: consuming

Answer 29

indirect