Healthcare and Medicine Reference
In-Depth Information
contact with the muscle as you do this (have your client
lift the foot to flex the hip if you are in any doubt), and
important not to press on anything that pulses. You are
now on the inside edge of the psoas, in contact with the
fibers which come from L4-L5 (and are thus more
responsible, when short, for lumbar lordosis).
The psoas minor is only present as a muscle in about
half the population, and, for this author, is often difficult
to isolate from psoas major, except as a tight band across
the anterior surface of the psoas major. With the client
supine and the knees bent, you can sometimes feel the
small band of the psoas minor tendon on the surface of
the major by having the client do a very small and iso-
lated movement of bringing the pubic bone up toward
the chest. The problem is that this movement may
produce contraction in the larger psoas, and may also
produce contraction in the abdominals, which can be
mistaken for contraction in the tiny psoas minor.
The final part of the psoas complex, the quadratus
lumborum (QL), is best reached from a side-lying posi-
tion. Walk your fingers on the inside of the iliac crest
from the ASIS toward the back, and you will encounter
a strong fascial line going up and back toward the end
of the 12th rib. This is the outer edge of the QL fascia,
and access to this outer edge, or the front surface just
anterior to the edge, will allow you to lengthen this
crucial structure. It is nearly impossible to affect this
muscle approaching it posteriorly. The use of a deep
breath to facilitate release can be very helpful. (DVD ref:
Deep Front Line, Part 1, 1:12:31-1:18:26)
Fig. 9.31 The DFL passes down the mid-sagittal
line as the anterior longitudinal ligament (ALL),
which extends along the front of the sacrum and
coccyx onto the pubococcygeus, the longitudinal
muscle of the pelvic floor, a myofascial 'tail' on the
spine.
Diaphragm
A branch line: the 'tail' of the Deep
Front Line
From the medial arch to the psoas, the DFL follows the
tradition of the other leg lines in having a right and left
half, two separate but presumably equal (though due to
injury, postural deviation, or at minimum handedness
and 'footedness', they seldom are) lines proceeding
from the inner foot to the lumbar spine. At the lumbar
spine, the DFL more or less joins into a central line,
which, as we move into the upper reaches of the DFL,
we will parse as three separate lines from front to back,
not right and left.
It is worth noting, however, that we have a possible
third 'leg', or more properly 'tail' on the DFL, which we
will describe here before proceeding upward. If we
came down the DFL from the skull on the ALL, and
instead of splitting right and left on the two psoases, we
simply kept going on down (Fig. 9.31), we would pass
down the lumbars, onto the sacral fascia and to the
anterior surface of the coccyx.
From here, the fascia keeps going in the same direc-
tion by means of the pubococcygeus muscle that passes
forward to the posterior superior surface of the pubic
tubercle and pubic symphysis (Fig 9.32).
Since the rectus abdominis is the deepest of the
abdominal muscles at this point, fascially speaking, the
fascia from the pelvic floor runs up to the posterior
lamina of the rectus abdominis fascia so that our 'tail' is
carried right up the ribs. On its way, it includes the
Posterior abdominal
aponeurosis
Pelvic floor
Fig. 9.32 If we follow the anterior longitudinal ligament down the
midline to the tailbone we can continue onto the central raphe of
the pelvic floor, across the levator ani to the back of the pubic
bone and on up onto the posterior abdominal fascia behind the
rectus.
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