How can a double curve of seven years ago (18 degrees thoracic and 20 degrees lumbar) morph into a single lumbar curve of just over 40 degrees in seven years.
Ingaba kwenzeka njani ukuba ukugoba okuntlandlo-mbini kweminyaka esixhenxe egqithileyo (iqondo elikwi-18 lethambo leembambo nelikwiqondo lama-20 kwithambo lesinqe) kudibane kube kukugoba okunye kwethambo lesinqe okukwiqondo elingaphaya kwama-40 kwiminyaka nje esixhenxe.