Assisted Dying, Here's Where It...
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No best answer has yet been selected by the.dr. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.Your friend is correct, they use electricity to contract the muscle. They have very little effect on actually building as the muscle needs to be worked, ie broken down and the fibres replaced stronger and bigger. This process also strengthens all the periphery, I.e ligaments, tendons even the bones themselves. That can only be done with reistance training, I too am a rugby player, not pro though! There are no short cuts!