Why Is the Upright Left Lateral Position the Most Commonly

question 77

Multiple Choice

Why is the upright left lateral position the most commonly used for lateral radiographs of the chest?

• A) Less chance of body rotation
• B) Patient's heart is closer to the image receptor
• C) There is greater magnification of the heart
• D) Easier to visualize interlobar fissures

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Definitions:

Iliopsoas

A compound muscle composed of the iliacus and psoas major muscles, crucial for hip flexion and maintaining posture.

Piriformis

A muscle in the gluteal region of the lower limb, involved in the rotation of the hip and stabilization of the femur, and known for its association with the sciatic nerve.

Hip Flexion

The movement of bringing the thigh or knee up towards the abdomen by flexing the hip joint.

Psoas Major

A large muscle that runs from the lumbar region of the vertebral column to the femur, important for flexing the hip joint.