1. Short-Term Effects of 890-Nanometer Radiation on Pain, Physical Activity, and Postural Stability in Patients With Knee Osteoarthritis: A Double-Blind, Randomized, Placebo- Controlled Study 
Ru-Lan Hsieh, MD, Min-Tzu Lo, MS, Wei-Cheng Liao, Wen-Chung Lee, MD, PhD 
Archives of Physical Medicine and Rehabilitation 
Volume 93, Issue 5, Pages (May 2012)
DOI: /j.apmr
Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

2. Fig 1
Trial profile.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

3. Fig 2
WOMAC scores associated with 890-nm radiation treatment. Solid square, treatment group; hollow square, placebo group. (A) Pain: group effect, P=.491 (F1,69=.48); time effect, P=.587 (F3,207=.64); group × time effect, P=.546 (F3,207=.71). (B) Stiffness: group effect, P=.354 (F1,69=.87); time effect, P=.071 (F3,207=2.38); group × time effect, P=.537 (F3,207=.73). (C) Physical function: group effect, P=.258 (F1,69=1.30); time effect, P=.274 (F3,207=1.30); group × time effect, P=.904 (F3,207=.19). Abbreviations: t0, before treatment; t1, after 1 week of treatment; t2, after 2 weeks of treatment; t3, 1 week after treatment termination; t4, 2 weeks after treatment termination.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

4. Fig 3
Physical activity associated with 890-nm radiation treatment. Solid square, treatment group; hollow square, placebo group. (A) 10-m fast-speed walking time: group effect, P=.325 (F1,69=.98); time effect, P<.001 (F3,207=7.75); group × time effect, P=.284 (F3,207=1.27). (B) Stair-climbing time: group effect, P=.032 (F1,69=4.81); time effect, P=.817 (F3,207=.31); group × time effect, P=.202 (F3,207=1.55). (C) Stair descent time: group effect, P=.584 (F1,69=.30); time effect, P=.787 (F3,207=.35); group × time effect, P=.468 (F3,207=.85). (D) Chair-rising time: group effect, P=.250 (F1,69=1.34); time effect, P=.290 (F3,207=1.26); group × time effect, P=.499 (F3,207=.79). Abbreviations: t0, before treatment; t1, after 1 week of treatment; t2, after 2 weeks of treatment; t3, 1 week after treatment termination; t4, 2 weeks after treatment termination.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

5. Fig 4
Postural stability associated with 890-nm radiation treatment. Solid square, treatment group; hollow square, placebo group. Postural stability: group effect, P=.871 (F1,69=.03); time effect, P=.268 (F3,207=1.32); group × time effect, P=.986 (F3,207=.05). Abbreviations: t0, before treatment; t1, after 1 week of treatment; t2, after 2 weeks of treatment; t3, 1 week after treatment termination; t4, 2 weeks after treatment termination.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions