10 Questions
Which vertebral abnormality is characterized by an exaggerated posterior curvature?
Kyphosis
Why is it advised to tighten abdominal muscles during lifting?
To act like a balloon expanding the spine
The sagittal alignment of the spine is crucial for which of the following reasons?
It ensures the distribution of mechanical loads across the vertebral bodies and discs
The atlas vertebra is unique because it:
Has no body
Which ligament becomes thin and narrow in the lumbar region, contributing to disc herniations?
Posterior longitudinal ligament
Intervertebral discs make up what percentage of the height of the vertebral column?
20 - 30%
What type of curvature is the thoracic curvature of the vertebral column?
Primary
Which joint allows for the pivoting of the head?
Atlanto-axial joint
The resistance to compression forces of a curved column like the spine is proportional to:
The square of the number of curves plus one
During what activity does spinal compression increase the most?
Slouched sitting
Fundamentals of Spine Biomechanics
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