Lucy

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Lucy
Listings?
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Netters standing man
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Piriformis
Mitchell noted that the piriformis exerts an
oblique force on the sacrum. The plane of the
muscle closely approximates the frontal plane and
lies at an angle of approximately 300 to the
plane of the adjacent sacroiliac (SI) joint. As
illustrated by Retzlaff and associates, the lower
fibers of the piriformis muscle are able to
produce a strong rotary shearing force on the
S/joint. This force would tend.to displace the
ipsi/ateral base of the sacrum anteriorly
(forward) and the apex of the the sacrum
posteriorly. (Travel et al)
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Michelle, store manager
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An old business card . . .
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Da Vincis Well-Shaped Man Subluxated!
Da Vinci's "well-shaped man" features left PI
ilium, lumbar curvature, and foot flare and
probably a positive left sacral leg check.
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Relaxed standing in Greek art, I
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Relaxed standing in Greek art, II
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Relaxed stance Vesalius
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Albinus
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Relaxed standing in American art, I
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Relaxed standing in American art, II
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Rigid and relaxed standing
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Pelvic Torsion Biomechanics of the Lower
Extremity, I

• foot pronation
• tibia internal on foot
• femur internal on tibia
• pelvis internal on femur (ie, external rotation
  of the hip)
• abductor hypertonus

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Pelvic Torsion Biomechanics of the Lower
Extremity, II

• Physical findings on relaxed side
• pronated foot
• inferior hip
• increased valgus angle, knee
• internal rotation of tibia on foot
• internal rotation of femur on tibia
• internal rotation of pelvis on femur (external
  rotation of the hip)
• lumbar lateral curvature

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Pelvic Torsion Biomechanics of the Lower
Extremity, I

• foot pronation
• tibia internal on foot
• femur internal on tibia
• pelvis internal on femur (ie, external rotation
  of the hip)
• abductor hypertonus