How does physical activity modulate pain?

Department of Physical Therapy and Rehabilitation Science, University of Iowa, Iowa City, IA, USA *Corresponding author. Address: Department of Physical Therapy and Rehabilitation Science, University of Iowa, Iowa City, IA 52242, USA. Tel.: 319-335-9791. E-mail address: [email protected] (K. A. Sluka). Sponsorships or competing interests that may be relevant to content are disclosed at the end of this article.