You are treating a patient who has a diagnosis of ankylosing spondylitis and who is exhibiting a forward stooped posture. Which of the following proprioceptive neuromuscular facilitation patterns would be the MOST appropriate to improve the patient's posture?
1. D1 extension
2. D1 flexion
3. D2 extension
4. D2 flexion
The solution will be posted in a few days.