The patient performing the Buerger-Allen exercise:
1. lies on the stomach.
2. raises the legs for 2 minutes until they blanch.
3. lowers the legs until color returns.
4. brings the legs flat for 5 minutes and then repeats the exercise.
1
Buerger-Allen exercises promote emptying of the blood vessels by gravity. Initially, lying on the back and elevating the legs will result in pallor, and then lowering the legs will allow color to return.
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