PT - JOURNAL ARTICLE AU - Hush, Julia M. TI - Invited Commentary AID - 10.demo/ptj.20090420.ic DP - 2011 Jan 01 TA - Demo Journal of Physical Therapy PG - 84--86 VI - 91 IP - 1 4099 - http://demo.highwire.org/content/91/1/84.short 4100 - http://demo.highwire.org/content/91/1/84.full