. Author manuscript; available in PMC: 2010 May 11.

Published in final edited form as: Spine (Phila Pa 1976). 2009 Mar 15;34(6):E202–E207. doi: 10.1097/BRS.0b013e3181908c7b

Table 3.

Mean (SD) number of movements per hour among all subjects for each day of the week.