slide 1 of 2, Quad sets, 1  Sit with your leg straight and supported on the floor or a firm bed. 2  Tighten the muscles on top of your thigh by pressing the back of your knee flat down to the floor. 3  Hold for about 6 seconds, then rest up to 10 seconds. 4  Do this for 8 to 12 repetitions several times a day.
Allograft definition, a tissue or organ obtained from one member of a species and grafted to a genetically dissimilar member of the same species. See more. Dictionary.com
(nÅ«'mÅ-graf), Generic term for any device that records respiratory excursions from movements on the body surface; for example, an impedance pneumograph, which applies the principles of impedance plethysmography to the chest. [G. pneumÅn, lung, + graphÅ, to write]