PP6012 The Thoracic Spine Maria Hill

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What is the primary function of the thoracic spine?

To support the neck
To enable diverse head movement
To house and protect vital organs (correct)
To maintain the primary curvature of the spine

Which of the following is NOT a typical feature of a vertebra in the thoracic spine?

Body that supports weight
Facets for articulation with ribs
Absence of a spinous process (correct)
Neural arch that protects the spinal cord

What is the primary curvature of the thoracic spine in the adult?

Kyphosis (correct)
Lordosis
Swayback
Scoliosis

Which of the following describes the movement of the thoracic spine?

Primary rotation (A) Signup and view all the answers

What is the primary role of the thoracic spine in relation to the sympathetic nervous system?

To protect the sympathetic nervous system (B) Signup and view all the answers

What is the function of the thoracic muscles in relation to the thoracic spine?

Both a and b (A) Signup and view all the answers

What is the purpose of the thoracic inlet and outlet?

To allow passage of nerves and blood vessels (D) Signup and view all the answers

What is the primary function of the intervertebral joints?

To facilitate weight-bearing and movement of the vertebral column (A) Signup and view all the answers

Which part of the intervertebral disc is responsible for the majority of its water content?

Nucleus pulposus (A) Signup and view all the answers

What is the primary function of the costal facets on the thoracic vertebrae?

To allow for articulation with the ribs (B) Signup and view all the answers

Which type of cartilage is found in the endplate of the intervertebral disc?

Hyaline cartilage (B) Signup and view all the answers

What is the primary function of the nucleus pulposus in the intervertebral disc?

To act as a shock absorber during weight-bearing activities (A) Signup and view all the answers

Which of the following is NOT a type of intervertebral disc herniation?

Disc subluxation (A) Signup and view all the answers

What is the primary function of the diaphragm?

To separate the thoracic and abdominal cavities (B) Signup and view all the answers

Which of the following movements is associated with thoracic spine extension during deep inspiration?

Inferior glide and posterior rotation (A) Signup and view all the answers

What is the nerve supply to the diaphragm?

Phrenic nerve, C3-C5 (D) Signup and view all the answers

What is the primary action of the serratus posterior superior muscle?

Rib elevation (D) Signup and view all the answers

Which of the following muscles is NOT considered part of the thoracic spine musculature?

Rectus abdominis (D) Signup and view all the answers

What is the coupling relationship between thoracic lateral flexion and thoracic rotation?

Ipsilateral lateral flexion and contralateral rotation (B) Signup and view all the answers

Which of the following is the largest component of the Erector Spinae muscle group?

Longissimus (C) Signup and view all the answers

What is the proximal attachment of the Longissimus Thoracis muscle?

Ribs and transverse processes of T1-T12 (B) Signup and view all the answers

Which of the following muscles is responsible for the extension and contralateral rotation of the thoracic spine?

Semispinalis (C) Signup and view all the answers

Which of the following is the nerve supply to the Multifidus muscle?

Posterior rami of adjacent spinal nerves (D) Signup and view all the answers

What is the primary action of the Spinalis Thoracis muscle?

Extension of the thoracic spine (D) Signup and view all the answers

Which of the following is the primary curvature of the thoracic spine in the adult?

Kyphosis (B) Signup and view all the answers

What is the nerve supply to the Iliocostalis Thoracis muscle?

Posterior rami of adjacent spinal nerves (B) Signup and view all the answers

Which ligament within the vertebral canal prevents hyperflexion and disc protrusion?

Posterior Longitudinal Ligament (B) Signup and view all the answers

Which joint type is present between the articular facets of vertebrae?

Synovial Joints (B) Signup and view all the answers

What is the main function of the Ligamentum Flavum between adjacent laminae?

Prevent Hyperflexion (D) Signup and view all the answers

What is a potential cause of back/chest pain associated with facet joints?

Facet Joint strain/arthritis (C) Signup and view all the answers

Which spinal phenomenon is characterized by movement in one plane causing automatic movement in another plane?

Spinal Coupling (A) Signup and view all the answers

Costovertebral Joints are formed by the articulation of which structures?

Body of vertebrae with rib (C) Signup and view all the answers