Absolutely normal height, no need to change normal biomechanics of body, height could be reduced to some extent with a risk of necrosis and amputation of limb by Ilazarove technique upto 1 inch in leg and 1-2 inch in thigh bone ,
Naturally your height should reduce over period of time as you age gradually , spinal height is reduced by upto 2 inches
Next Steps
Avoid hanging or stretching exercises , do plenty of weight lifting exercise, lunges, squats and core workout