really 6 year before i fell down in backward direction. from then my low back pain is maintained and sometimes its very severe. my x-ray report tell us that I HAVE A LOSS OF LUMBAR CURVATURE i’m taking few medice and doing some regular exercises too. but then also result is same. MY IONIC AND CALCIUM SERUM IS ALSO LESS. my age is 20. height 5’6 and weight 50 kg. i’m thin.