PARAMETERS

Question 1

what is the pulse duration for the motor neuron on the strength duration curve?

Answer 1

200-600 msec

Question 2

what frequency is needed between to illicit a strong muscle contraction?

Answer 2

45-50 pps
50 is sweet spot = tetany

Question 3

what are the parameters for conventions tens?

Answer 3

frequency: 80-125 pps
pulse duration: 75-150 microsec
(*100-100)

Question 3

what are the parameters for low-rate tens or motor-level tens?

Answer 3

frequency: <20 pps
pulse duration: 100-600 microsec

Question 4

what are the parameters for noxious-level tens?

Answer 4

frequencies: 1-5 pps
duty: 30-45 sec on
visible muscle contraction

Question 5

what are the parameters for brief intense tens?

Answer 5

frequency: 100 pps
duration: 100-600 microsec
visible muscle contraction

Question 6

what is the time set to for IFC and pre-mod?

Answer 6

5 mins

Question 7

what is the frequency set on for IFC and premod?

Answer 7

“high”

Question 8

what is the range of pulse frequencies for NMES?

Answer 8

35-80 pps

Question 9

which muscle fibers are activate 1st: fast or slow twitch?

Answer 9

fast

Question 10

what are the parameters for NMES?

Answer 10

frequency: 35-80 pps
pulse duration: 200-600 microsec
intensity: until strong muscle contraction

Question 11

the longer the pulse duration, the ____ the amount of current needed to reach tetany

Answer 11

lower

Question 12

what is the duty frequency for NMES for strengthening?

Answer 12

1:5 - on:off
10 sec on, 15 sec off

Question 13

what is the duty frequency for NMES for re-ed?

Answer 13

1:1 (5 sec on, 10 sec off)

Question 14

what are the ramp up recommendations for NMES?

Answer 14

strengthening: 2s
edema: 1s
re-ed: none

Question 15

contra indications for estim

Answer 15

pacemakers or auto defib
thru chest or near heart
over carotid sinus
venous or arterial thrombus
occlusive vascular disease
infection
over open wounds, osteomyelitis, scars, skin lesions, radiation, metal implants
malignancies
pregnancy
MKS probs where mm contract exacerbates the condition
high level SCI

Question 16

what are the parameters for Russian?

Answer 16

frequency: 2,000-10,000 Hz
pulse duration: 50-250 microsec

Question 17

what are the duty recommendations for Russian?

Answer 17

contraction/pump: 50 on, 10 off
post-op/neuro re-ed: 10 on, 50 off

Question 18

for NMES, one of the electrodes is always placed over the

Answer 18

motor point

Question 19

for NMES, the other electrode should be placed ___ to direction of the muscle fibers and does not necessarily need to be over a motor point

Answer 19

parallel

Question 20

what are the US settings for a deep subacute injury?

Answer 20

1 MHz
intensity = 1 W/cm2
temp/min = 0.2
5 mins

Question 21

what are the US settings for a superficial subacute injury?

Answer 21

3 MHz
intensity = 0.5 W/cm2
temp/min = 0.3
3.3 minutes

Question 22

what are the US settings for a superficial chronic injury?

Answer 22

3 MHz
intensity = 0.5 W/cm2
temp/min = 0.3
6.67 minutes

Question 23

what are the US settings for a deep chronic injury?

Answer 23

1 W/cm2, 0.2 temp/min, 10 mins
1.5 W/cm2, 0.3 temp/min, 6.67 mins
2 W/cm2, 0.4 temp/min, 5 mins

Question 24

what are the US settings for a superficial contracture?

Answer 24

3 MHz
intensity = 1 W/cm2
temp/min = 0.6
6.67 mins

Question 25

what are the US settings for a deep contracture?

Answer 25

1 MHz
intensity = 2 W/cm2
temp/min = 0.4
10 mins