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San Jose, CA
A 41-year-old male asked:

Slight tingling 3 days now, backside of leg (behind the knee). can extend down to foot. no pain. tingling is on & off. i exercise very regular. ideas?

1 doctor answer1 doctor weighed in
Dr. David Trettin
Orthopedic Surgery 34 years experience
Nerve irritation : Parasthesias( numbness,tingling, burning) that you are describing suggest a nerve irritation.A large nerve runs behind ( and on the outside) of your knee.(common peroneal).It has both motor and sensory branches.The nerve may have been' irritated' by a direct blow or more commonly by pressure ( or swelling) in the popliteal fossa( back of the knee).Bakers' cysts are most commonly involved.GL!
Last updated Mar 6, 2015


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