pinch grasp

pinch grasp

[′pinch ‚grasp]
(industrial engineering)
A grasp by the human hand that involves the thumb and the facing side of the index finger at the knuckle; used to apply a large force to a small object. Also known as key grasp.
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References in periodicals archive ?
They are represented by pinch grasp, normal grasp, and a grasp using the four fingertips.
10) Complete tears repaired after 3 weeks tend to have an increased incidence of weakness and pain on pinch grasp.
Common workplace risk factors contributing to WMSDs is the use of the pinch grasp to hold the instrument while applying pressing with the finger tips.
Furthermore, the intention of this study was to allow investigators to examine the interaction of three muscles in the hand and forearm when the pinch grasp is used.
Subjects used a modified pen grasp in a gloved hand to pinch grasp the dental mirror while examining the lingual surface of the typodont model's maxillary anterior teeth in the mirrors reflection.
Topics include the effect of cognitive load on tactor location identification in zero-g, a bow spring and tendon actuator for low-cost haptic interfaces, fundamental limits in the rendering of virtual haptic textures, real-time finite element finger pinch grasp simulation, and a force feedback interface for cell injection.
Since hand instruments require a sustained pinch grasp, clinicians should stretch the hand prior to retrieving a different instrument.
Dental hygiene procedures frequently require practitioners to maintain pinch grasps on small diameter instruments/tools and use repetitive motions with applied force for scaling and root planing.