Differences in quadriceps strength (A) and central activation deficits (B) between neuromuscular electrical stimulation and control groups. Data are mean±standard deviation.
* indicates statistically significant difference in quadriceps strength between groups (P<0.05). [Adapted from (30) PTJ. November 17, 2011; doi: 10.2522/PTJ.201101224; [epub ahead of print], with permission of the American Physical Therapy Association. This material is copyrighted, and any further reproduction or distribution requires written permission from APTA.]