The purpose of this study was to determine the immediate effect of a lumbopelvic high velocity thrust (HVT) on gluteus medius strength when administered by a novice clinician with brief training. Thirty healthy subject's hip abduction strength and EMG activity were assessed at baseline, following a sham (control) intervention, and intervention consisting of a lumbopelvic manipulation (HVT) assigned in random order. These data were analyzed using the independent t-test with a significance level of p < .05. The results demonstrated no significant difference in gluteus medius strength between the control and manipulation. The results may suggest that a lumbopelvic manipulation, performed by a novice clinician, may not produce therapeutic effects in gluteus medius strength.

Paper presented to the 7th Annual Symposium on Graduate Research and Scholarly Projects (GRASP) held at the Marcus Welcome Center, Wichita State University, May 4, 2011.Research completed at the Department of Physical Therapy