Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
|
Muscle Reeducation
|
indicated by muscle inhibition after surgery or injury
Interrupted or surged current with ramping 50 pps On 1-2 sec Off 4-10 sec several times a day |
|
|
Russian Currents
|
medium frequency (2000-10000) polyphasic AC waveform
pulse 50-250 microsec phase (half) 250125 microsec burst effect allows for tolerance at higher intensity, |
|
|
Muscle Strengthening
|
60% of torque produced in MVIC or more
50 pps interrupted or surged with ramping On 10-15 sec off 50 sec - 2 min 3 sets of 10 pt can produce voluntary contraction with the stim but not necessary. |
|
|
Muscle Pump
|
Interrupted or surged current
50pps On 5-10sec Off 5-10sec Total 20-30 min 2-5x/day part must be elevated AROM encouraged |
|
|
Retardation of Atrophy
|
Current intensity as high as tolerated
Contraction must be able to move joint thru range antigravity or at 25% MVIC Contraction should be done with some resistance - gravity or external On 6-15 sec Off 1-2 min 15-20 min total (min 10 contractions) 2x/day |
|
|
Increase ROM
|
Contraction must be able to move jt through antigravity range
Stim to antagonistic muscle PASSIVE ONLY Interrupted or surged current 50pps On 15-20 sec Off > or = to on time (fatigue) 3 x 30 min 90 min/day |
|
|
Reducing Edema
|
Sensory level Direct Current
Short duration interrupted DC High voltage equipment High frequency - 120pps Current intensity 30-50v or 10% less than visible contraction 30 min controls for 4-5 hours (treatment directly after injury) Negative electrode should be DISTAL |
|
|
Stimulating Denervated Muscle
|
Prevent atrophy while nerve regenerates
First 2 weeks= asymmetrical biphasic DC with pulse duration <1ms After 2 weeks = twitch contraction = either interrupted DC square wave, or progressive DC exponential wave with pulse duration > 10ms, or AC sine wave with frequency <10Hz. length of pulse as short as possible while still creating contraction. Pulse Duration = or > chronaxie of denervated muscle Pause b/w stim 4-5x longer then stim (3-6 sec) due to fatigue monopolar or bipolar electrode setup with small diameter active electrode placed over most electrically active point 3 sets of 15-20 reps 3x/day |
|
|
Gate Control Theory
|
Current intensity as tolerated with no contraction
pulse duration 70-150 msec or max 80-125pps or max continuous on time positive result in 30 min or move electrodes and try again. Trans cutaneous electrical wave form |
|
|
Descending Pain Control (central biasing)
|
High current intensity
pulse duration 10 ms 80 pps On 30sec - 1min Stim over trigger points High intensity, low frequency Pos result shortly after beginning treatment |
|
|
Opiate Pain Control Theory
|
Current intensity very high at noxious level (contraction okay)
pulse duration 200microsec - 10ms 1-5pps On 30-45 sec Over Trigger points High voltage pulsed current or low frequency, high intensity machine analegestic effects after several hours If not working, expand # of stim sites |
|
|
Wound healing
|
Low intensity stim
Subsensory levels Current intensity: normal skin = 200-400 microamps denervated skin = 400-800 microamps Long pulse durations or continuous uninterrupted currents Max pulse frequency Monophasic best but biphasic acceptable. Treat 2 hours with 4 hr rest 2-3 treatments a day First 3 days: Neg electrode on wound Pos electrode 25 cm proximal After 3 days: Switch electrodes If infected: Neg electrode on wound until 3 days after infection clears wound size decreases = place neg electrode in wound for 3 days |
