These symptoms are suggestive of spinal canal stenosis (a back issue). MRI of the back should be able to diagnose the problem, which may show pinched nerves in the back; causing these symptoms. Physical therapy, acupuncture and deep electrotherapy are likely to relieve the symptoms. The specialists to consult would be;
1) MD in physical medicine and rehabilitation
Please feel free for your follow up questions.
I would be happy to assist you further, if you need any more information.
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