Waveforms, Use, and Common Parameters

Russian: use

skeletal muscle activation, strengthening (NMES)

Russian: Waveform

burst-modulated AC

Russan Parameters/Settings:

• Pulse Duration: 200-800 usec

• Frequency: 30-100 Hz

• Amplitude: max contraction

• Tx Time: 10 sec on/50 sec off x >10 reps

• Ramp up: 1-2 sec

• Ramp down: 1-2 sec

High volt use

pain modulation, wound healing

High Volt Waveform:

Twin-peak monophasic pulsed

High Volt Parameters/Settings:

• Pulse Duration: 50-100 usec

• frequency: 1-100 Hz

• Sensory Level amplitude: to perceivable level

• Sensory level duration: 10-30 min

• Motor level amplitude: to visible motor response

• motor level duration: 1-30 min

• pulse duration: 50-100 usec

• Frequency: 100 Hz

• Amplitude: below sensory threshold

• duration: several minutes

Interferential or Premodulated* use

pain modulation

Interferential or Premodulated* waveform

amplitude-modulated AC

Interferential or Premodulated* Parameters/settings

• Pulse duration: 200-400 usec

• frequency:

  • fixed beat frequency: 100 Hz

  • Full Spectrum sweep: 10-150Hz

• amplitude: sensory level

• duration: 10-30 min

Microcurrent use

wound healing

microcurrent waveform

low intensity DC (microamperage current)

microcurrent parameters/settings:

• Pulse Duration: 0.5 sec or DC

• Frequency: 1Hz, or DC

• Amplitude: less than 1mA

• Duration: minutes to hours

Symmetrical biphasic: square or triangular — Use

skeletal muscle activation, strengthening (NMES) or functional electrical stimulation (FES)

Symmetrical biphasic: square or triangular — waveform

symmetrical biphasic: square or triangular

Symmetrical biphasic: square or triangular — Parameters/Settings

Pulse Duration: 200-800 usec

Frequency: 20-60Hz

Amplitude:

• NMES: to maximal contraction for strengthening/endurance

• FES: to level for functional use

Treatment Time:

• NMES: 10 sec on/50 sec off 10 reps

• FES: activity dependent

Ramp up/down:

• NMES: 1-2 sec for both ramp up and down

• FES: activity dependent

High-Frequency: (pain modulation)

Waveform:

• mono or biphasic pulsed

Pulse Frequency:

• at least 50 pps, typically 80-110 pps

Pulse Duration:

• 50-100 usec

Amplitude:

• mA to max comfort perception (no motor)

Duration:

• 20-30 min

Low-Frequency: (pain modulation)

Waveform:

• mono or biphasic pulsed

Pulse Frequency:

• <10 pps

Pulse Duration:

• >150 usec

Amplitude:

• mA to visible muscle twitch

Duration:

• 20-45 min

Brief Intense (pain modulation)

Waveform:

• mono or biphasic pulsed

Pulse Frequency:

• ~100 pps

Pulse Duration:

• >150 usec

Amplitude:

• mA to visible strong muscle twitch

Duration:

• <15 min

Hyperstimulation (noxious)

Waveform:

• DC or monophasic

Pulse Frequency:

• High: 100 pps

• Low: 1-5 pps

Pulse Duration:

• >250 usec, up to 1 sec

Amplitude:

• mA to highest tolerated painful stimulus

Duration:

• 30-60 sec each area

Acute (24-72 hours)

Type: sensory level

Waveform: monophasic pulsed

Pulse Frequency: 100-125 pps

Pulse Duration: 2-100 usec

Amplitude: mA to comfortable sensory, ~10% below motor threshold

Duration: 20-45 min to several hours

Existing Edema (subacute or chronic)

Type: motor level

Waveform: Biphasic PC or burst-modulated AC

Pulse Frequency: 20-80 pps

Pulse Duration: 100-600 usec if PC

Amplitude: mA to tetanic contraction

Duration: 1:1 on:off ratio

Vasospastic: Sensory level

waveform: mono or biphasic pulsed

pulse frequency: 4-100 pps

pulse duration: 4-600 usec

amplitude: mA to comfortable sensory

duration: 15-30 min

Vasospastic: motor level

waveform: mono or biphasic pulsed

pulse frequency: 1-5 pps

pulse duration: 200-600 usec

amplitude: mA to visible muscle twitch

duration: 15-30 min

Diminished arterial blood flow

type: motor level

waveform: biphasic pulsed or burst-modulated AC

pulse frequency: 20-80 pps or bursts/sec

pulse duration: 100-600 usec

amplitude: mA to robust tetanic contraction

duration: 1:1 on:off ratio

epithelialization, autolysis, reaction of inflammatory process

Type: sensory level, anode at wound

Waveform: monophasic pulsed

Pulse Frequency: 100 pps

Pulse Duration: 4-100 usec

Amplitude: mA to comfortable sensory

Duration: 60 min, 5-7 days/week

promotion of granulation of wound

Type: sensory level, cathord at wound

Waveform: monophasic pulsed

Pulse Frequency: 100 pps

Pulse Duration: 4-100 usec

Amplitude: mA to comfortable sensory

Duration: 60 min, 5-7 days/week

bacterial effect for infection

Type: sensory level, cathode or cathode followed by anode at wound

Waveform: monophasic pulsed

Pulse Frequency: 100 pps

Pulse Duration: 4-100 usec

Amplitude: mA to comfortable sensory

Duration: 30-60 min of cathode stim, or 20 min cathode stim w/40 min anode stim