RT Journal Article SR Electronic T1 Author Response JF Demo Journal of Physical Therapy FD HighWire Press SP 1237 OP 1240 DO 10.demo/ptj.2012.92.9.1237 VO 92 IS 9 A1 Padgett, Parminder K. A1 Jacobs, Jesse V. A1 Kasser, Susan L. YR 2012 UL http://demo.highwire.org/content/92/9/1237.abstract AB