Jamar dynamometer

Jamar dynamometer

Neurology A device used to measure muscle strength. See Hand grip strength.
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The reliability and validity of Jamar dynamometer is high; therefore, it has been considered gold standard in the assessment of grip strength.
Comparison of Rolyan and Jamar dynamometers for measuring grip strength.
The Jamar dynamometer measures isometric grip force up to 90 kg or 200 pounds (Seftchick, Detullio, Fedorczyk, & Aulicino, 2011).
The bulb dynamometer, which assesses grip strength by measuring the amount of pressure applied to the compressible bulb-shaped rubber handle, can be used as an alternative method to the Jamar dynamometer. The amount of grip pressure measured is dependent on the amount of hand contact over the surface of the bulb (Innes, 1999).
A calibrated Jamar dynamometer (Smith and Nephew, Irwington, NY 10533, USA) having 5 settings, was used to assess HST at the dominant arm.
The Jamar dynamometer, recommended by the American Society of Hand Therapists, has been used in many studies to analyze the quantity of grip strength.
Reference values for adult grip strength measured with a Jamar dynamometer: a descriptive meta-analysis.
Grip and pinch strength were measured using the Jamar dynamometer (E-Link, Biometrics Ltd; Newport, United Kingdom) in five positions and the pinch meter as advocated by the American Society of Hand Therapists [3-4].
Handgrip strength was measured with a Jamar dynamometer. Past medical history, reason for participation in CR, height, and weight were recorded from the subjects' medical chart.
Objectives: To determine the intra-rater reliability of three methods of grip strength testing (one trial, the mean of three trials and the best of three trials) using a Jamar dynamometer, and to evaluate levels of pain experienced during grip testing.
One such instrument is the Jamar dynamometer, which measures force in a single axis and has a geometry that is not truly representative of cross sections often encountered for handles and tools.
The Jamar dynamometer is the most widely used instrument for measuring grip strength, and many test protocols have been developed because of its widespread use [19].