It is a retrospective study at a tertiary care hospital. All cases of lower limb deformity whose correction was done with fixator assisted IM nailing from 2010 till 2017 were analyzed.

It is a retrospective study at a tertiary care hospital. All cases of lower limb deformity whose correction was done with fixator assisted IM nailing from 2010 till 2017 were analyzed. Pre Op x-rays and post op x rays will be analyzed for Mechanical Axis Deviation (MAD), anatomical Lateral Distal Femoral Angle (aLDFA), mechanical Lateral Distal Femoral Angle (mLDFA) and Medial Proximal Tibial Angle (MPTA), post-operative activity and functional status of the patients. Data will be analyzed using SPSS

Inclusion Criteria:

- All those patients who underwent fixator assisted intramedullary nailing of tibia or femurs for deformity correction were included

Exclusion Criteria:

• Patients who lost to follow up and those with missing records were excluded from the study.

.All those patients who has lower limb deformity irrespective of the cause underwent fixator assisted intramedullary nailing of tibia or femurs for deformity correction were included