Chest Wall Neurology Quiz

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Questions and Answers

What type of joint is the facet joint?

Synovial plane joint (correct)

Hinge joint

Fibrous joint

Ball and socket joint

Which ligaments are associated with both facet joints and intervertebral discs?

Interspinous ligaments (correct)

Anterior longitudinal ligament

Acetabular labrum

Sacroiliac ligaments

Which movement is primarily restricted by the orientation of the thoracic region facet joints?

Abduction

Lateral flexion

Circumduction

Flexion and extension (correct)

What is the blood supply to the facet joints?

Supreme intercostal and posterior intercostal arteries Signup and view all the answers

Which nerves are responsible for the innervation of the facet joints?

Lateral branches of the posterior rami of C8-T11 spinal nerves Signup and view all the answers

What is the function of the descending part (superior fibers) related to the atlantooccipital joint?

Extension of head and neck Signup and view all the answers

Which artery supplies blood to the ascending part (inferior fibers)?

Dorsal scapular artery Signup and view all the answers

What action does the scapulothoracic joint perform with the descending part (superior fibers)?

Draws scapula superomedially Signup and view all the answers

Which joint is primarily involved in head rotation due to the descending part's action?

Atlantoaxial joint Signup and view all the answers

What is the role of the inferior cervical vertebrae when the superior fibers contract bilaterally?

Cervical extension Signup and view all the answers

What movement is associated with the transverse part (middle fibers) at the scapulothoracic joint?

Drawing scapula medially Signup and view all the answers

Which action is NOT performed by the superior fibers at the atlantooccipital joint?

Neck flexion Signup and view all the answers

Which function does the shoulder girdle primarily support during accessory inspiratory muscle action?

Facilitates scapular stabilization Signup and view all the answers

What is the type of the manubriosternal joint?

Secondary cartilaginous joint (Symphysis) Signup and view all the answers

Which movement is primarily associated with the sternochondral joints 2-7?

Translation, mainly superinferiorly Signup and view all the answers

Which rib type does not have a tubercle?

Eleventh rib Signup and view all the answers

What ligaments are associated with the xiphisternal joint?

Anterior and posterior xiphichondral ligaments Signup and view all the answers

What is the blood supply for the intercostal nerves?

Internal thoracic artery Signup and view all the answers

What is the main function of the manubriosternal ligament?

Maintain stability of the manubriosternal joint Signup and view all the answers

Which characteristic describes the first rib?

Short, strong, flat, and very curved Signup and view all the answers

What type of joint is the xiphisternal joint and how much movement does it allow?

Secondary cartilaginous joint (Symphysis); no movement Signup and view all the answers

What is the primary blood supply for the serratus anterior muscle?

Superior and lateral thoracic arteries Signup and view all the answers

Which nerve innervates the serratus anterior muscle?

Long thoracic nerve Signup and view all the answers

Which muscle functions to fix rib 12 during inspiration?

Quadratus lumborum Signup and view all the answers

What is the main insertion point of the serratus anterior muscle?

Scapula Signup and view all the answers

Which parts of the quadratus lumborum originate from the ribs?

Superior and middle part Signup and view all the answers

Which muscle is responsible for drawing the scapula anterolaterally?

Serratus anterior Signup and view all the answers

What is the mnemonics used to remember the innervation of the serratus anterior?

'C5, C6, C7 raise your arms to heaven!' Signup and view all the answers

Which muscle contracts unilaterally to cause lateral flexion of the trunk?

Quadratus lumborum Signup and view all the answers

What is the primary action of the iliocostalis muscles during bilateral contraction?

Extension of the spine Signup and view all the answers

Which area does the iliocostalis lumborum muscle originate from?

Lateral crest of the sacrum Signup and view all the answers

How does the latissimus dorsi primarily contribute to shoulder movement?

Shoulder adduction and internal rotation Signup and view all the answers

What is the innervation for the transversus abdominis muscle?

Intercostal nerves (T7-T11) Signup and view all the answers

Which action is associated with the unilateral contraction of the external oblique muscle?

Trunk lateral flexion (contralateral) Signup and view all the answers

What structure does the latissimus dorsi insert into?

Intertubercular sulcus of the humerus Signup and view all the answers

What is the main blood supply to the rectus abdominis muscle?

Inferior epigastric artery Signup and view all the answers

Which function is NOT associated with the transversus abdominis muscle?

Trunk extension Signup and view all the answers

Which nerve innervates the latissimus dorsi muscle?

Thoracodorsal nerve Signup and view all the answers

What is the role of dermatomes in the chest wall?

Supplying skin and parietal pleura Signup and view all the answers

What is the origin point for the internal abdominal oblique muscle?

Anterior two-thirds of the iliac crest Signup and view all the answers

What blood vessels primarily supply the external oblique muscle?

Lower posterior intercostal and subcostal arteries Signup and view all the answers

Which group of muscles is included in the descriptions provided?

Erector Spinae Signup and view all the answers

What kind of contraction of the rectus abdominis muscle results in trunk flexion?

Bilateral contraction Signup and view all the answers

Study Notes