Which Parameters Would Most Likely Be Effective When the Goal

Which parameters would most likely be effective when the goal of NMES is to enhance strength?

A) 75 pps, 10 seconds on : 50 seconds off, 10 minutes
B) 30 pps, 10 seconds on : 30 seconds off, 10 contractions
C) 75 pps, 4 seconds on : 4 seconds off, 10 contractions
D) 30 pps, 4 seconds on : 4 seconds off, 10 minutes