751
After each patient was comfortable wearing the unit for one week at tension level # 2 , they were instructed to increase the tension level to # 3 ( 0 . 3 ft lbs . ) and make continual increases every two weeks .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 None