32 Questions
What is the primary function of the thoracic spine?
To house and protect vital organs
Which of the following is NOT a typical feature of a vertebra in the thoracic spine?
Absence of a spinous process
What is the primary curvature of the thoracic spine in the adult?
Kyphosis
Which of the following describes the movement of the thoracic spine?
Primary rotation
What is the primary role of the thoracic spine in relation to the sympathetic nervous system?
To protect the sympathetic nervous system
What is the function of the thoracic muscles in relation to the thoracic spine?
Both a and b
What is the purpose of the thoracic inlet and outlet?
To allow passage of nerves and blood vessels
What is the primary function of the intervertebral joints?
To facilitate weight-bearing and movement of the vertebral column
Which part of the intervertebral disc is responsible for the majority of its water content?
Nucleus pulposus
What is the primary function of the costal facets on the thoracic vertebrae?
To allow for articulation with the ribs
Which type of cartilage is found in the endplate of the intervertebral disc?
Hyaline cartilage
What is the primary function of the nucleus pulposus in the intervertebral disc?
To act as a shock absorber during weight-bearing activities
Which of the following is NOT a type of intervertebral disc herniation?
Disc subluxation
What is the primary function of the diaphragm?
To separate the thoracic and abdominal cavities
Which of the following movements is associated with thoracic spine extension during deep inspiration?
Inferior glide and posterior rotation
What is the nerve supply to the diaphragm?
Phrenic nerve, C3-C5
What is the primary action of the serratus posterior superior muscle?
Rib elevation
Which of the following muscles is NOT considered part of the thoracic spine musculature?
Rectus abdominis
What is the coupling relationship between thoracic lateral flexion and thoracic rotation?
Ipsilateral lateral flexion and contralateral rotation
Which of the following is the largest component of the Erector Spinae muscle group?
Longissimus
What is the proximal attachment of the Longissimus Thoracis muscle?
Ribs and transverse processes of T1-T12
Which of the following muscles is responsible for the extension and contralateral rotation of the thoracic spine?
Semispinalis
Which of the following is the nerve supply to the Multifidus muscle?
Posterior rami of adjacent spinal nerves
What is the primary action of the Spinalis Thoracis muscle?
Extension of the thoracic spine
Which of the following is the primary curvature of the thoracic spine in the adult?
Kyphosis
What is the nerve supply to the Iliocostalis Thoracis muscle?
Posterior rami of adjacent spinal nerves
Which ligament within the vertebral canal prevents hyperflexion and disc protrusion?
Posterior Longitudinal Ligament
Which joint type is present between the articular facets of vertebrae?
Synovial Joints
What is the main function of the Ligamentum Flavum between adjacent laminae?
Prevent Hyperflexion
What is a potential cause of back/chest pain associated with facet joints?
Facet Joint strain/arthritis
Which spinal phenomenon is characterized by movement in one plane causing automatic movement in another plane?
Spinal Coupling
Costovertebral Joints are formed by the articulation of which structures?
Body of vertebrae with rib
Explore the structure, function, and articulation of the vertebral column in the thoracic spine. Learn about the anatomical features, joint structures, and ligaments that contribute to movement and stability in this area.
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