RAD 245- Cervicothoracic Vertebrae- Lateral Projection (Twining Method- Swimmer's)- Chapter 8- Module 3

Question 1

What type of angle should be used is the patient cannot depress the shoulders?

Answer 1

5 degree caudal angle

Question 2

Where is the IPL in relation to the IR?

Answer 2

Perpendicular to the IR

Question 3

Where is the MSP in relation to the IR?

Answer 3

Parallel to the IR

Question 4

Where is the CR centered?

Answer 4

Perpendicular CR to the MCP at level of 1 inch superior to the jugular notch

Question 5

What is the positioning error when the right-side articular pillars, posterior ribs, zygapophyseal joints, and humeri move away from the left side, obscuring the pedicles and distorting the vertebral bodies?

Answer 5

Rotation is present

Question 6

What is the positioning error when the shoulder positioned closest to the IR was positioned anteriorly?

Answer 6

Humerus was rotated anteriorly

Question 7

What is the positioning error when the shoulder positioned closest to the IR was positioned posteriorly?

Answer 7

Humerus was rotated posteriorly

Question 8

How can C7 be located on this projection?

Answer 8

Find the elevated clavicle, which is shown transversing the seventh cervical vertebra