Intensity and duration threshold for aerobic exercise-induced analgesia to pressure pain1 Martin D Hoffman, MD, Melissa A Shepanski, MS, Stephen B Ruble, PhD, Zoran Valic, MD, John B Buckwalter, PhD, Philip S Clifford, PhD Archives of Physical Medicine and Rehabilitation Volume 85, Issue 7, Pages 1183-1187 (July 2004) DOI: 10.1016/j.apmr.2003.09.010
Fig 1 Example of pressure-pain ratings for a single subject at each 10-second interval before (Pre), 5 minutes after (Post 5), and 30 minutes after (Post 30) exercising for 30 minutes at 75% V̇o2max. Archives of Physical Medicine and Rehabilitation 2004 85, 1183-1187DOI: (10.1016/j.apmr.2003.09.010)
Fig 2 Summary of pain ratings to pressure stimulus before exercise, 5 minutes after, and 30 minutes after exercise for 3 different exercise conditions. Whiskers represent 1 standard error. ∗Significantly different (P<.05) from baseline. Archives of Physical Medicine and Rehabilitation 2004 85, 1183-1187DOI: (10.1016/j.apmr.2003.09.010)