A 21-year-old female presents with low back pain and stiffness that is alleviated by physical activity.She was diagnosed with ankylosing spondylitis (AS).The first joint to be affected would be the:
A) Sacroiliac
B) Carpal
C) Shoulder
D) Knee

Question

Quizplus · Accepted Answer

The sacroiliac joint is affected first,usually before any damage can be radiographically detected.
The sacroiliac joint,not the carpal joint,is affected first,usually before any damage can be radiographically detected.
The sacroiliac joint,not the shoulder,is affected first,usually before any damage can be radiographically detected.
The sacroiliac joint,not the knee,is affected first,usually before any damage can be radiographically detected.

A 21-Year-Old Female Presents with Low Back Pain and Stiffness