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[Landing after jumps--wrong technique promotes spondylolysis]
1Abteilung für Funktionelle Morphologie, Ruhr-Universität Bochum.
Zeitschrift Fur Orthopadie Und Ihre Grenzgebiete
|May 1, 1996
Summary
The spine
Area of Science:
- Biomechanics
- Human Anatomy
- Sports Medicine
Context:
- The vertebral column's double-S-shape is traditionally viewed as an adaptation for shock absorption.
- Understanding spinal response to axial impacts is crucial for injury prevention.
Purpose:
- To investigate the immediate effects of axial impacts on the coupled motion of the pelvic girdle and vertebral column.
- To challenge the 'bending spring' model's predictions regarding spinal behavior under impact.
Summary:
- Contrary to the bending spring model, the vertebral column initially straightens in the lumbar region upon axial impact.
- This rapid lumbar straightening may increase stress on vertebral arches.
- This biomechanical response could contribute to conditions like spondylolysis and spondylolisthesis.
Impact:
- Highlights potential injury mechanisms for spinal conditions, particularly spondylolysis and spondylolisthesis.
- Suggests that improper landing techniques in sports can lead to harmful axial impact loads.
- Recommends avoiding high axial impact loads in athletic activities to mitigate injury risk.