JAMAR

Jamar® Hand Dynamometers

The Gold Standard in Grip Strength Measurement Since 1954

Introduced in 1954 by Lucien Bechtol, the Jamar® Hydraulic Hand Dynamometer has become the most trusted and widely recognized tool for measuring isometric handgrip strength. For decades, it has set the benchmark in clinical practice, rehabilitation, and scientific research, earning its reputation as the gold standard in hand strength assessment.

A Legacy of Precision & Trust

With over 40 years of consistent clinical use, Jamar dynamometers have played a pivotal role in establishing normative grip strength data worldwide. Their accuracy and reliability have made them indispensable in physiotherapy clinics, hospitals, and research institutions.

Today, the Jamar brand is part of Performance Health, continuing its legacy of innovation while maintaining the trusted standards clinicians rely on.

Engineered for Accuracy

At the core of the classic Jamar dynamometer is a sealed hydraulic system, designed to deliver precise and reproducible measurements of grip force. The device features:

Adjustable handle with 5 positions (1.375” to 3.375”)

Measurement in kilograms or pounds

Durable, analog design for consistent long-term use

Proven high reliability in clinical and research settings

These features ensure accurate assessment of maximum isometric strength of the hand and forearm muscles

Applications in Practice

Jamar hand dynamometers are widely used by healthcare professionals for:

Measuring grip strength in rehabilitation

Clinical assessment of hand function

Monitoring patient progress over time

Evaluating outcomes of therapeutic interventions

From hand trauma recovery to general health assessment, Jamar remains an essential diagnostic and monitoring tool.

Built for Professionals

Durable, precise, and trusted worldwide, Jamar dynamometers continue to support clinicians and researchers in advancing hand health and rehabilitation. Whether in everyday clinical use or rigorous scientific studies, they deliver the accuracy and reliability professionals depend on.