fulcrum

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ful·crum

, pl.

ful·cra

,

ful·crums

(ful'krŭm, -kră, -krŭmz),
A support or the point thereon on which a lever turns.
[L. a bedpost, fr. fulcio, to prop up]

fulcrum

(fo͝ol′krəm, fŭl′-)
n. pl. ful·crums or ful·cra (-krə)
Zoology An anatomical structure that acts as a hinge or a point of support.

ful·crum

, pl. fulcra, pl. fulcrums (ful'krŭm, -kră, -krŭmz)
A support or the point thereon on which a lever turns.

ful·crum

, pl. fulcra, pl. fulcrums (ful'krŭm, -kră, -krŭmz)
1. Point of stabilization for instrumentation with the ring finger.
2. A support or the point thereon on which a lever turns.
References in periodicals archive ?
An f-15 Eagle leads a MiG-29 Fulcrum and F/A-18 Hornet in a flight over Fort Jefferson, Dry Tortugas, near NAS Key West.
These findings support Nield-Gehrig's belief that maxillary molar teeth are especially difficult to treat with the standard intraoral fulcrum and often require advanced fulcrums.
Based on the result of this study, fulcrums have uniform impact on muscle activity during hand scaling in first semester, right-handed, senior-year dental hygiene students in a simulated clinical setting.
Muscle Activity Means and Standard Deviations Using Four Quadrants and Five Fulcrums per Quadrant.
(1-8) Dental hygiene practice is physically demanding, requiring dental hygienists to use high prehension forces, perform highly repetitive hand and wrist motions, apply heavy pressure to fulcrum fingers, and hold their wrists in awkward positions for long periods of time.
In dental hygiene, a fulcrum is a finger rest used by a practitioner to stabilize the hand and reduce muscle stress while performing clinical procedures such as therapeutic scaling on a patient's dentition.
To ensure standardization of the participants, a 20-minute fulcrum training and practice session was conducted by the principal investigator.
Five different typodonts were set up for each participant with a different fulcrum: opposite arch, standard intra-oral, basic extra-oral, cross arch, and finger-on- finger (IO, EO, OA, CA, and FF), and were randomly assigned for use on each of the typodonts.