Jill Gehrig, Rebecca Sroda, Darlene Saccuzzo - Fundamentals of Periodontal Instrumentation and Advanced Root Instrumentation (2016, LWW) - libgen.lc

18 Fundamentals of Periodontal Instrumentation & Advanced Root Instrumentation
IMPORTANT ELEMENTS OF THE SEATED POSITION
Figures 1-31 and 1-32 depict important elements of the seated clinician position.
Fig ure 1-31. Co rre ct Fe e t Po sitio n. The eet shoul be positione
to create a “wi e base o support” or the seate clinician. That is,
the eet shoul be f at on the f oor about a shoul er’s wi th apart
or i eal balance while seate .
Fig ure 1-32. Inco rre ct Fe e t Po sitio n fo r Seate d Clinician
A. Narrow Base of Support. A narrow base o support with the eet together or tucke un er the chair
inter eres with the clinician’s balance an can limit his or her range o motion uring instrumentation.
B. Crossed Legs. Crossing the legs at the knees or ankles restricts bloo f ow to the legs an eet. In
a ition, this position places more weight on one si e o the hip an inter eres with the clinician’s
balance uring perio ontal instrumentation. (Photos courtesy o dr. Richar Foster, Guil or Technical
Community College, Jamestown, NC.)