A review of the literature revealed
only 2 studies that have reported on
the effects of PA mobilization on
pain intensity and lumbar extension in people with nonspecific low back
pain.
20,21 Although both of these investigations reported a reduction in
pain following the mobilization procedure, neither study found that PA
mobilization had an influence on
lumbar extension. Similarly, the use
of a press-up exercise has been
shown to decrease symptoms in people with nonspecific low back pain
in a number of studies.
22–25 Of these
studies, only 2 quantified lumbar extension range of motion; however, these authors did not report an
increase in motion following the
press-up exercise.