How strong is your grip? It can be an indicator of overall health

Predicting your risk of a range of health outcomes – from type 2 diabetes to depression and even your longevity – is as simple as testing how tight your grip is.

Grip strength refers to the power generated by the muscles of the hand and forearm to perform actions such as grabbing, squeezing an object or even shaking hands. This action involves a complex interplay between the various muscle groups located in the forearm, as well as the muscles within the hand itself.

Grip strength is a very cheap, easy and non-invasive measure of muscle strength. This test has been used since the mid-1950s as a measure of overall health. Since then, the simple test has been firmly established as a reliable marker of various aspects of health – with some researchers even suggesting grip strength can be used to determine a person’s risk of everything from type 2 diabetes to depression.

The standard method for measuring grip strength involves using a handheld dynanometer – an instrument which can measure a person’s power. This test is usually done while a person is sitting down. With their forearm bent at a 90-degree angle and wrist held in a neutral position, the person then squeezes the dynamometer as hard as they can – usually three...

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