Please let me know if there are literature or research findings about the effects that sexual maturation may have on postural stability.
I've decide to put the girls with different menarcheal status in two or more age groups, then to compare their static balance in response to perturbations.
Dear Saeed,
Posture development in girls is more prone to deviations as scoliosis or swayback ending up in low back problems ( spondylolistehesis) due to their lower resilience ( laxity) in their tissues. It is not the sexual maturation itself that influences their posture on a negative way, but the fact that most children with a sedentary lifestyle develop thight muscles ( erector truncae lumborem, hamstrings, triceps surae) that will give a negative influence on their postuere ( and early degenration of the lower discs) .
You have to look in your groups if those high tensioned muscles ( AND Nerves!) are present. I found different test very helpfull to decide when to intervene ( with excersises to stretch muscles and nerves, like in NeuroDynamics, or when there are already osseous deformations like wedging of TL vertebrae ( gameboyback) with a TLI brace.
I did some observations, that the more tense and thight the musculature is ( de to a lack of extension in sitting) the age of sexual maturation comes later , certainly in boys. So the effects of discongruent neuro-osseous growth ( Roth) can be of influwnce on the neurohormonal system as it is also dependent on constant mobility of the organism as in the animal world. So the biochemic condition of a organism is dependant on the biomechanical behaviour. Life is movement and sitting on chairs is a cultural poison for bodily optimalisation. Sitting hinders proper development of the body and certainly the childrens postures as was found already 200 years ago ( Andry) . For that reason I "invented"the double curved Zami seat ( www.zamilife.com) and the TLI brace technique, that is simple and effective.
Good luck with a more biomechanic approach of the children. Piet
Hi Piet and Saeed,
This question and answer is one I would like to repeat in the Facebook page of the paediatric physiotherapists, with permission of you both. Thanking you in advance :) Esther
Dear Esther,
Feel absolutely free to bring this ( back) in paramedic knowledge.
The medical field has to change its drive to think only in epidemiologic methodology towards the proven anatomical-functional relationsships that excists and are known as structural integrety ( like Ida Rolf) or neuro-osseouss growth relations ( Milan Roth) where the function of the neurohormonal system has its place too.
Best regards. groet, Piet
Maybe this could help you
Article Static and dynamic standing balance: Test-retest reliability...
https://www.ncbi.nlm.nih.gov/pubmed?Db=pubmed&Cmd=Retrieve&list_uids=18089914&dopt=abstractplus
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