Aims
The primary aims of this study are to 1) determine
immediate pre to post changes in sensorimotor function
in the lumbopelvic region as measured by postural sway
following delivery of a single HVLA-SM or LVVA-SM
treatment when compared to a sham treatment consisting
of light effleurage and a sham mechanically assisted
adjustment and 2) to determine changes from baseline
to 2 weeks (4 treatments) of HVLA-SM or LVVA-SM
compared to a sham treatment.
Our secondary aims are to:
a) Determine immediate pre to post changes in sensorimotor
function in the lumbopelvic region as
measured by response to sudden impact loads and
lumbar repositioning accuracy error following delivery
of a single HVLA-SM or LVVA-SM treatment
when compared to a sham treatment;
b) Determine pre to post changes in sensorimotor
function in the lumbopelvic region as measured by
response to sudden impact loads and lumbar repositioning
accuracy error following HVLA-SM or
LVVA-SM when compared to a sham treatment following
the delivery of 4 treatments over a 2 week
period;
c) Estimate the effects of 6 weeks (13 applications)
of HVLA-SM and LVVA-SM to the lumbopelvic
region on the 3 measures of sensorimotor function;
and
d) Explore whether changes in sensorimotor function
are associated with changes in self-reported
back pain intensity, disability, or health status at 2
weeks (after 4 SM visits) and at 6 weeks (after 13
SM visits).
Methods/Design