works before the actual motion of an extremity or of the
trunk occurs.2
Thus pre-contraction of the intrinsic musculature can
become delayed or inhibited in the presence of pain or
pathology. This delay, or inhibition of the stability
system, decreased a patient’s ability to control a joint
neutral position during movement or underload.2
A Herniated Pulposus (HNP) was defined as one that
herniated beyond the vertebral body margin but contained
within an intact annulus. In adult disc herniation is
common and often caused by trauma. Local stabilizing
musculature activation occurs automatically in a
preparatory manner prior to movement.3
Failure of this
preparatory stabilizing mechanism is identified as
primary cause of persistence low back pain.4
Literature
that has developed from and is supportive of the
“segmental stabilization/motor control” model has
generated research highlighted by the following: