This can be due to compression of your nerve. This is likely a paresthesia.
Next Steps
Try avoiding prolonged sitting at one place.
This will reduce your symptoms at most the time.
If you experience many such episodes even after following this, it might be a sciatica, kindly visit a orthopaedicean if your symptoms doesn't resolve.
Health Tips
Get your Blood
sugar levels checked.
DO REGULAR EXERCISE.
IF YOUR PAIN AGGRAVATES BY BENDING FORWARD KINDLY VISIT ORTHOPAEDICEAN, AS THIS CAN BE SCIATICA.