I will advise you to do MRI spine, colour doppler.
I have studied your case.
First possibility could be lumbar canal stenosis leading to numbness and pain in your foot.
Due to compression of this nerve root
there can be foot pain associated with it.
I will advise you to do MRI spine
For these symptoms analgesic
and neurotropic medication can be started.
Till time, avoid lifting weights, Sit with support to back. You can consult physiotherapist for help.
and interferential therapy will give quick relief.
I will advise to check your vit B12 and vit D3 level.
My patients get good relief with holistic approach like pranayama, yoga, and XXXXXXX XXXXXXX You can also start them.
Another possibility of peripheral neuropathy
leading to numbness.
You may need blood investigation and EMG and also colour Doppler for venous obstruction.
Hope this answers your query. If you have additional questions or follow up queries then please do not hesitate in writing to us. I will be happy to answer your queries.
Wishing you good health.