I fell from the 1st floor and fractured my L1 vertebra and L5 S1 disc bulge on the right, I took a complete 45 days of bed rest and re visited the doctor he said excellent 90% cured u can walk and take more 15 days rest. i was using tynor ash brace. On the 60th day while walking i feel little leg length difference right leg is high and left was short. What is the reason for the leg length difference.