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connection - the iliacus paralleling the subscapularis, leaving
the gluteus minimus as the infraspinatus of the leg. However,
another argument can be made that the rotator cuff is similar
to the deep lateral rotators of the leg (technically part of the
Deep Front Line, and practically part of a non-existent 'Deep
Back Line').
The Deep Front Arm Line (biceps-pectoralis minor) might
bear comparison to the Superficial Back Line of the leg (biceps
femoris-sacrotuberous ligament), though it also has elements
of the Deep Front Line (proximity to the neurovascular bundle,
and the clear parallel between adductor magnus and
coracobrachialis).
The long and twisting road of evolution and the literal twist-
ing of the arm and leg that takes place during fetal devel-
opment have both served to blur any easy one-to-one
comparisons among the arm and leg lines, as differing kinetic
connections have been made in each. That said, the Lateral
Line corresponds to the Superficial Back Arm Line above the
elbow, and the Deep Back Arm Line below. The Deep Front
Line compares to a combination of the Deep and Superficial
Front Arm Lines above the elbow, and the Deep Front Arm
Line below. The Superficial Front Line compares to the Deep
Back Arm Line above the elbow, and to the Superficial Back
Arm Line below. The Superficial Back Line compares to the
Deep Front Arm Line above the elbow, and the Superficial
Front Arm Line below. Given the similarities of skeletal and
muscular structure, the differences created by the variation in
longitudinal fascial connections are quite striking. And strik-
ingly complex - congratulations to any reader who actually
made it through this morass to the end of this chapter. In the
following chapter, we turn our attention to the vastly simpler
extensions of the Arm Lines across the trunk.
References
1. Myers T. Treatment approaches for three shoulder 'tethers'.
Journal of Bodywork and Movement Therapies 2007;
ll(l):3-8.
2. Wilson FR. The hand. New York: Vintage Books/Pantheon
Books; 1998.
3. Myers T. Hanging around the shoulder. Massage Magazine
2000 (April-May). Also available in Body 3 , self-published in
2004 and available via www.anatomytrains.com.
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