Illustration adapted with permission from the University of Wisconsin Medical School.
Bend your hand at your knuckles, and keep your fingers and thumb together. Form a "cup" with your hand.
Last Revised: June 11, 2013
Author: Healthwise Staff
Medical Review: John Pope, MD - Pediatrics & Catherine O'Malley, RRT - Respiratory Therapy
To learn more visit Healthwise.org
© 1995-2013 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.