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Serratua-
' Rhomboideus-
Schlinge
Pectoralia-
Obliquua
int.- Schlinge
-Tensor fasciae latae
and iliotibial band
Obliquua int.-
Qlutaeua mediua-
Schlinge
- Rectus femoris
Obliquua
ext.-
Adduktoren-
Schlinge
-Sartorius
Fig. 4.13 There are two branch lines or alternative routes to the
rectus femoris from the knee to the hip. The sartorius curves up
from the inside to the anterior superior iliac spine, and the anterior
edge of the iliotibial tract does the same on the outside of the leg.
B
4.14A). The muscle contiguous to the rectus femoris on
the medial side is the iliacus, so an argument could be
made for some kind of linkage between the two struc-
tures, but the iliacus is part of a deeper plane, the Deep
Front Line; for the SFL, we are looking for the surface
continuity up the front (Fig. 4.15). The rectus-iliacus con-
nection is a special case that we will consider when we
consider the interactions between the SFL and the Deep
Front Line in Chapter 9.
The myofascia that clearly continues the run up the
front line of the body is the rectus abdominis, so we will
simply have to break the Anatomy Trains rules to make
a logical jump over to the pubis. The rationale for this
jump is as follows: the AIIS and the pubis are part of the
same bone (at least in anyone over one year in age) (Fig.
4.16A). So, for every millimeter the pubis is pulled up by
the rectus abdominis, the rectus femoris must lengthen
by a millimeter to allow it to happen. If both contract,
the front of the rib cage and the knee will approximate
(Fig. 4.16B). If the body is arched into hyperextension,
both must stretch reciprocally. If one cannot elongate,
the other must make up for it or pass the strain up or
down the train (Fig. 4.16C and D).
Fig. 4.14 (A) The extensions of the branch lines in Figure 4.13
would start to form spirals around the trunk, lines we will take up
in the following chapters. (Reproduced with kind permission from
Hoepke et al 1936.) (B) Each of the muscles contributes to the
'roundhouse' of attachments to the ASIS.
Thus, even though there is not a myofascial continu-
ity, there is a mechanical continuity through the hip
bone. This Anatomy Train works as a single track
as long as we limit our discussion to movement in or near the
sagittal plane. The SFL will not work as a continuous
band in movements that involve hip or trunk rotations,
but does act as a continuity in postural issues, and in
sagittal stretches and movements (Fig. 4.17).
The abdomen
Having now reseated ourselves on the top of the pubis,
we can ride up on the abdominal fascia, including the
muscular elements of the pyramidalis and rectus
abdominis, and the fascial layers that surround the
rectus from the obliques and transversus (Fig. 4.18).
103
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