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Hello and welcome Erik. I'm Dr Chip
Yes--that nerve root compression can indeed affect the hamstrings and calf muscles with cramping.
Physical therapy can help with the problem, and muscle relaxants like Flexeril can help
Please let me know if you need any more information
I would refer you to a physiatrist--a physical medicine and rehabilitation MD specialist--for a customized physical therapy program that should alleviate your symptoms
Surgery should only be considered if that conservative approach didn't help