Ankylosing Spondylitis

Question 1

Forestier’s Bowstring

Answer 1

standing

feel paraspinals, as pt laterally flexes (+ ipsilateral contraction)

Question 2

Chest Expansion

Answer 2

seated erect or standing

tape measure at T4 level, pt expires, then inspires

Question 3

Lewin Supine

Answer 3

supine

STABILIZE legs as pt attempts a sit up (+ instability)

Question 4

Amoss’ sign

Answer 4

supine or side-lying
pt rises to a sitting position
(+ if action causes localized thoracic pain)