- Oct 10, 2006
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So I've been using Gripmasters for some time now, and now for some reason my thumbs crack on a regular basis when they're flexed. Is this just a result of increased muscle mass or should I be worried about real joint problems? So far there's no pain.
The only exercise I do that involves the thumb is the flat fist, and I've experimented with shifting the grip pad around to take the pressure off the joint, with no change.
The only exercise I do that involves the thumb is the flat fist, and I've experimented with shifting the grip pad around to take the pressure off the joint, with no change.
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