Child phase

Child phase

The physical symptoms caused by MSS often worsen between the ages of 8 and 10. Reduced muscle strength will become a bigger issue as children become more active. The spine becomes more curved as children suddenly grow very fast (growth spurt). Lastly osteoporosis can start at this age.
There are also symptoms that improve during this phase. Problems with breathing usually get better with age. Sometimes this is only temporary, the symptoms might get worse again later in life.