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Questions and Answers
What is the biomechanical role of the cervical spine?
What is the biomechanical role of the cervical spine?
- Supporting the thoracic spine
- Facilitating the transfer of weight and bending moments of the head (correct)
- Regulating blood flow to the brain
- Controlling the movement of the arms
Which structure does the cervical spine primarily protect?
Which structure does the cervical spine primarily protect?
- Heart
- Spinal cord (correct)
- Lungs
- Stomach
What are the viscoelastic properties exhibited by intervertebral discs?
What are the viscoelastic properties exhibited by intervertebral discs?
- Flexibility, strength, and compression
- CREEP, relaxation, and Hysteresis (correct)
- Tension, expansion, and contraction
- Fluidity, rigidity, and viscosity
What is hysteresis in the context of ligamentous/IV disc properties?
What is hysteresis in the context of ligamentous/IV disc properties?
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What is creep in the context of intervertebral discs?
What is creep in the context of intervertebral discs?
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Study Notes
Cervical Spine Biomechanics
- The cervical spine plays a crucial biomechanical role in supporting the head and facilitating movements such as flexion, extension, rotation, and lateral bending.
Protection of Structures
- The primary structure protected by the cervical spine is the spinal cord.
Intervertebral Disc Properties
- Intervertebral discs exhibit viscoelastic properties, which enable them to absorb and distribute mechanical stress.
Hysteresis and Ligamentous/IV Disc Properties
- Hysteresis refers to the phenomenon where the stress-strain response of ligamentous and intervertebral disc tissues varies depending on the loading and unloading cycles.
Creep in Intervertebral Discs
- Creep is a viscoelastic property of intervertebral discs, characterized by a gradual deformation in response to a constant load, resulting in permanent deformation over time.
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