e stim/step 6: electrodes
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12 terms
Terms | Definitions |
|---|---|
 size | -small areas should have small electrodes and viseversa |
| small electrodes | -increase current density and skin impedance -may produce pain at lower intensity -enhance depth penetration |
| large electrodes | -larger areas -more comfortable -greater dispersion -more superficial |
| electrode types | -carbon rubber -self adhesive |
| carbon rubber | -can use gel -WET SPONGE -wet 4x4 -dry sponge -greatly decreased conductivity of the electrode |
| self adhesive | -good for long term pt returning often -ENSURE GOOD CONTACT AT ALL SURFACES AND ALL ELECTRODES |
| spacing | closer together: superficial flow of current (less impedance with short conductor) -far apart: deeper current flow -FOR DEEPEST PENETRATION PLACE ELECTRODES ON EITHER SIDE OF JOINT -ALLOW 1/2 TO 1 ELECTRODE SPACE BETWEEN ELECTRODES |
| position | ALWAYS PLACE ELECTRODE IN LINE WITH DIRECTION OF MUSCLE BELLY |
| monopolar set up | -small and big electrode -one over targeted and other over non targeted -focus treatment w/ smaller |
| bipolar | -SAME SIZE -both over targeted area |
| good conductors | -nerve and muscle -75% water - directly proportionalize |
| bad conductors | -fat 15% water -skin 16% -bone 5% |
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