L5 S1 Spondylolisthesis Spondylolisthesis is slippage of one vertebrae in relation to other. This is most commonly seen at L5S1 and L45 disc level. Spondylolisthesis at L5S1 Level is usually caused by break in bone with disc degeneration. This break in bone is called as Pars fracture. Cause may be Genetic or High stress sports like football or gymnastics. Age of presentation is variable , varying from adloscent to old age. Symptoms initially are back pain but as the slip progresses, nerves in spine get pinched and patient develops radiating leg pain and tingling which increases with walking and standing. Initial treatment is LS belt, Medication and Physiotherapy. Cases with severe symptoms need Surgery called TLIF ( Fusion). Presenting here a case of Spondylolisthesis of L5S1 with very good outcome. This 19 year old boy operated 2 years back for L5 S1 Spondylolisthesis. He had severe back and leg pain with activity restricted. At 2 year follow up, he can bend forward & amp; backward and walk normally. He has even started playing cricket and there is no activity restriction