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Upper Limb Physiotherapy (PHTY206) > Neurodynamics and EPA > Flashcards

Flashcards in Neurodynamics and EPA Deck (20):
1

What does TENs stand for?

Transcutaneous electrical Nerve Stimulation

2

What are the proposed physiological effects of TENS?o iof

Stiimulation of sensory nerves - A beta nerve fibres
Pain Gate Mechanism
Other possible effects: improved healing, oedema control

3

What are a beta fibres?

Touch and pressure

4

What are a delta fibres?

Pain

5

What are pain receptors?

A delta

6

What is a low frequency current

1000 Hz or less

7

What is a medium frequency current?

2000-10000 Hz

8

What is high frequency current?

Usually measured in MHz

9

What is interference current?

Two different medium frequency currents superimposed in the tissues at the same time

They interfere and a new current results (beat or treatment frequency)

10

What is the beat frequency?

Also known as amplitude modulation frequency

Equal to difference in re quench between two individual currents

11

What are the advantages of IFC?

Penetrates tissues more deeply
Covers larger volume of tissue
Versatility of application
AC- no electrolytic effects on skin, although damage can still occur

12

What would DC do to skin?

Chemical burns/tissue damage

13

What is sweep/swing?

Minimises accommodation (but is doubtful)

14

What does vector rotation/scanning mean?

Rhythmically increases and decreases amount of current in one circuit qhw doing the opposite in other

Stimulates more nerve fibres parallel

Best to leave OFF

15

What are types of electrodes we use?

Carbon-rubber
Suction cups

16

What electrodes should not be used?

Quadripolar pads
Suction cups
Probes

17

What shouldn't Quadripolar pads be used?

Too close together ➡️ electrical burn

18

What happens if the electrodes aren't crossed in Quadripolar technique?

Combined medium frequency

19

What is bipolar electrode placement?

Used if four won't fit.

Also called premeditated technique. Currents Re superimposed within the IF machine, not the tissues

20

How is IF applied safely and effectively?

Wash area thoroughly
Leave the skin visibly wet
Ensure sponges are evenly damp
Keep suction pressure low to reduce risk of bruising
Bandage electrodes evenly