1. Comparison of the Effects of Vapocoolant Spray and Topical Anesthetic Cream on Pain During Needle Electromyography in the Medial Gastrocnemius 
Young-Eun Moon, MD, PhD, Sang-Hyun Kim, MD, PhD, Won-Hyeok Choi, MD 
Archives of Physical Medicine and Rehabilitation 
Volume 94, Issue 5, Pages (May 2013)
DOI: /j.apmr
Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions

2. Fig 1 Flowchart showing the flow of participants.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions

3. Fig 2
VAS for pain. For each group, the error bar indicates the value of the upper bound of the 95% CI. *P=.002 compared with the control group.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions

4. Fig 3
Number of patients who answered the question “Are you satisfied with the topical analgesic used before performing the electromyography?” (A) and “Would you use the topical analgesic applied today again if the electromyography is repeated in the future?” (B). Patients expressed more satisfaction with vapocoolant spray in both questions (P<.05).
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions