Thanks for writing to HCM.
Symptoms described by you needs immediate treatment.
First you should go for X-ray of lumbar spine
,AP and Lateral view.It can detect bony injury. But your symptoms also indicates towards possibility of lumbar disc injury
.so ,you should also go for MRI scan of lumbar spine. It can detect intervertebral disc
status and nerve
Treatment protocol depends upon the findings of X-rays and MRI.
Treatment options can be conservative or surgical depending upon severity.