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Objectives:

To examine changes in muscle thickness (MT), soreness (SOR), and isometric torque (ISO) following exercise with pulsed direct current (Neubie) or traditional high-load (TRAD) exercise.

Methods:

Thirty-two participants had SOR, MT, and ISO measured before, immediately after, and 24 and 48h following TRAD and Neubie. Rating of perceived exertion (RPE) and discomfort were also measured. Results are displayed as means (SD).

Results:

For MT, there was a condition x time interaction (p< 0.001). For Neubie, MT increased pre [3.7 (0.7) cm] to post [3.9 (0.8) cm, p< 0.001] and remained elevated at 24h. For TRAD, MT increased pre [3.7 (0.6) cm] to post [4.0 (0.7) cm, p< 0.001] and remained up to 48h. Greater values were observed for TRAD post-exercise. For ISO, both conditions decreased up to 48h. TRAD demonstrated a greater change post exercise (p< 0.001). For SOR, both conditions increased up …