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Spine Kinematics Behavior During the Handstand Posture: A Biplanar Radiographic Analysis
Camille Eyssartier1,2, Pierre Billard2, Patricia Thoreux3,4
1Institut de Biomécanique Humaine Georges Charpak, Arts et Métiers Sciences and Technologies, 75013 Paris, France.
Journal of Functional Morphology and Kinesiology
|December 27, 2024
Summary
Spinal alignment in a handstand involves pelvic retroversion and reduced spinal curves. This adaptation differs from upright posture, offering insights for coaches and therapists.
Area of Science:
- Biomechanics
- Sports Medicine
- Spinal Anatomy
Background:
- The handstand is a common exercise in sports and physical training.
- Sagittal spinal alignment and balance during handstands are poorly understood.
- Lack of knowledge may impede effective coaching and exercise benefits.
Purpose of the Study:
- To quantify spinal sagittal alignment and balance during handstands.
- To characterize spino-pelvic complex strategies in an inverted posture.
- To provide data for improved handstand technique and rehabilitation.
Main Methods:
- Nineteen national-level artistic gymnasts were studied.
- Low-dose biplanar radiographs were taken in standing and handstand postures.
- 3D spine reconstruction allowed measurement of pelvic and spinal parameters.
Main Results:
- Gymnasts exhibited pelvic retroversion during handstands.
- Lumbar lordosis, thoracic kyphosis, and T9 sagittal offset decreased.
- Lumbar curvature shifted from pelvic to thoracic spine dependency.
Conclusions:
- The spine adapts kinematically to inverted loads.
- Findings offer insights for optimizing handstand coaching.
- Results can inform spinal rehabilitation and strengthening strategies.
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