Everything About
Grip Strength
The ultimate resource for hand strength training, measurement, and history.
Crush Grip Strength Calculator
Pro Tip: Use chalk for maximum grip.
Types of Grip Strength
Crushing Grip
Crushing grip is the power of your hand closing around an object, using your fingers and palm to squeeze. It is the most common form of grip used in handshakes, opening jars, or crushing a soda can. It relies heavily on the four fingers rather than the thumb.
Supportive Grip
Also known as support or holding grip, this is the ability to hold onto an object for an extended period, like carrying grocery bags, hanging from a pull-up bar, or deadlifting a heavy barbell. It tests your endurance and the static strength of your fingers to stay closed.
Pinching Grip
Pinch grip involves holding an object between your thumb and fingertips, without it touching your palm. This type of grip is crucial for fine motor skills like picking up a coin, holding a plate, or rock climbing on small holds. The thumb plays the primary role here.
Thomas Inch Dumbbell
The Unliftable Dumbbell
The Thomas Inch Dumbbell is a legendary piece of grip strength history. Weighing in at 78kg (172lbs) with a notoriously thick 60mm (2.38 inch) handle, it is famous for being incredibly difficult to lift off the ground with one hand.
Why is it so hard?
Unlike a regular dumbbell, the thick handle prevents your fingers from wrapping all the way around, forcing an "open hand" grip. This makes hand size a critical factor—those with larger hands have a mechanical advantage. The bell's design also tends to roll out of your hand as you try to lift it, requiring immense wrist stability and crushing power to control the rotation.
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