Which statement is true about application of e-stim? A. Clinical protocols should be used as final determinants when selecting parameters for e-stim applications. B. The effectiveness of an e-stim...

Which statement is true about application of e-stim?

A. Clinical protocols should be used as final determinants when selecting parameters for e-stim applications.

B. The effectiveness of an e-stim device is related to its features. The more features and parameter adjustments available on an e-stim unit, the more effective it is.

C. Waveform is an e-stim parameter that may be associated with the strength of muscle contraction achieved and fatigue.

D. Russian stimulation has been scientifically proved to be superior for augmenting strengthening programs compared with other modes of e-stim.