| | Conditions & Treatments | Muscle Strains What employs a parallel after discharge circuit to produce sustained muscle contraction? An alternating current (AC) defibrillator employs a parallel after discharge circuit to produce sustained muscle contraction. Muscle Strains - Related Articles Is a tissue muscle or heart? Where is the trapezia muscle? How long is the latent period when a muscle twitch? How to Avoid a Hernia Do marathon runners use fast twitch or slow muscles? What are muscle habits? Once a muscle action potential is initiated by the SA node where does impulse spread?
