Is grip strength really a proxy for doing resistance training in general (people who do full workouts having stronger grip)? Just speculation on my part due to forearms not really being a major muscle group.
Some of the studies seem to control for this. Some have looked specifically at isometric vs eccentric, etc and found the isometric grip strength exercises to be more correlated.
On a side note, there have been studies about grip strength and lifespan, including on small children who have never strength trained at all. Higher grip strength had a fairly strong correlation with longer lifespan.
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Is grip strength really a proxy for doing resistance training in general (people who do full workouts having stronger grip)? Just speculation on my part due to forearms not really being a major muscle group.
Some of the studies seem to control for this. Some have looked specifically at isometric vs eccentric, etc and found the isometric grip strength exercises to be more correlated.
On a side note, there have been studies about grip strength and lifespan, including on small children who have never strength trained at all. Higher grip strength had a fairly strong correlation with longer lifespan.