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Old 07-26-2008, 07:18 PM   #5
Steven Low
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Join Date: Mar 2007
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Hmm, depends on where the numbness is on your thumb.. and depends how far it goes down into the hand. Ulnar nerve supplies some of the feeling, but so does the median nerve (into thenar muscles of thumb) a couple of others as well.

Basically, stretches and manual traction/decompression like Greg suggested should be able to fix the problem. I'd also consider self massage probably some type of myofascial to help release tight (forearm flexor) muscles, strengthening of your extensors (if you're lifting a lot there may be an imbalance leading to excessive tightening of flexors) and feeling around to break up any scar tissue/adhesion in the forearms.
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