She might be suffering from sciatica ( which is the result of some low back pathology ) . But usually it can be ruled out by orthopedic. So according to my opinion , If Orthopedic is saying to go to Neurologist , You must follow that .
Apply Hot Fomentation twice daily.
Avoid bending in front.
Postural Correction- Sit Tall, Walk Tall.
Extension Exercises x 15 times x twice daily - lying on tummy, take left arm up for 3 seconds, then bring it down, right arm up for 3 seconds, bring down. Bring right leg up, hold for 3 seconds, bring it down. Then right leg up and hold for 3 seconds and bring it down. Repeat twice a day- 10 times. Bhujang Asana -- Lie flat on your stomach, keeping the palms out, bend the neck backward, take a deep breath and while holding it for 6 seconds, raise the chest up. Release breath and relax your body. Repeat the exercise 15 times twice daily.
Core Strengthening Exercises- Straight Leg Raised With Toes Turned Outward, repeat 10 times, twice a day.
I can understand your concern.
The amount of history you have provided here is very less. I mean, just one line is not enough.
Orthopedician is right, you should consult a neurologist in person for further evaluation and management. He will take a detailed history and do a complete examination.
Dr. Anil kumar jain.