Bone density is a measure of bone strength and strong bones are more resistant to fractures.
Normal bone growth and development needs a combination of good nutrition, weight-bearing, and the use of muscles. Therefore children with conditions which inhibit them from doing these things lose bone density.
A more recent study assessed bone mineral loss in people with a spinal cord injury (SCI) and how weight-bearing activity (passive standing) affected this during the first two years post-injury. The Group A – those with regular physiotherapy and a standing programme (1 hour 5 days per
week); and Group B – regular physiotherapy intervention.
Results indicated that after two years patients in the standing group had statistically significantly higher BMD in the legs and in the pelvis, in comparison with non-standing patients. Therefore the authors concluded that a standing programme has a statistically significant effect in the
longer term on reducing the loss of bone mineral density in the lower extremities and pelvis in those with a spinal cord injury.