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Fig. 10.45 Karate kicks to the front.
In Figure 10.46, we see another basic karate kick, the
side kick. Here we can note the upper body leaning off
the SBL of the grounded leg. The left Lateral Line is
shortened all the way from the side of the head to the
side of the foot to fix the body in a 'Y' shape. The height
of the kick thus depends on the ability of the SBL to
lengthen in the standing leg, the strength of the LL and
its abduction ability, and the ability of the inner arch of
the kicking leg to stretch away from the ischiopubic
ramus and lumbar spine - in other words, the extensibil-
ity of the DFL, particularly in the adductors. This par-
ticular kicker seems also to be supporting the torso with
the upper left Spiral Line, looping under the right ribs
from the left side of the head to the left hip. Notice that
very little kicking power is provided by the LL, which
is primarily a line of stabilization; the power in the kick,
as with a horse, comes from the combination of the
sagittal lines - the extensors of SBL and SFL.
Fig. 10.46 A karate side kick.
Movement education, functional rehabilitation, and
performance enhancement are all pressing needs
where improvement is both vitally important and easily
possible, given the poor state of movement education in
contemporary Western society. A few dollars per
child given toward better physical education could
yield a large benefit in terms of reduced medical costs
and higher levels of health and performance. A few
dollars per patient could improve rehabilitation
and prevent relapses for all manner of physical
injury or post-surgical recovery. Where the dollars are
being spent - in athletics - insights are being gained
that could be applied more widely in education
and rehabilitation if there were the means to dissemi-
fruitless, I watched him kicking once again and saw
what I should have seen in the first place, what we see
in Figure 10.45B, a slight shortening in the core of the
trunk when he kicked. By examining the structures of
the DFL, I determined that the upper-outer fibers of the
psoas muscles were overworking, causing a compres-
sion of the lumbar spine (and thus some kind of impinge-
ment) when he kicked. By working to even out the load
over the entire iliopsoas, we were able to reduce the
compression and increase the springiness of the lumbar
spine, and yes, he went on to capture a medal.
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