The Correlations Between Static Postural Stability And Senile Hip Fracture

Objective Purpose of this study is to evaluate the influence of the eight different postures on static postural stability and hip fracture in elderly individuals.Methods We carried out a retrospective study comprising elderly individuals aged more than60years old from Aug2011to Dec2012. Static stability of eight postures were assessed for each participant, and meanwhile, the information of age,sex, height, weight, medical history and previous hip fracture were obtained. The main test content included static index, weight distribution index and postural sway spectrum of eight static postures and fall index. To exclude subjects with fracture caused by serious forces, such as car accidents or falls from height. To exclude cerebrovascular diseases, obvious tremor symptoms, severe visual impairment, severe muscle and nerve disorders, joint deformities and a state of intoxication which significantly affect static standing alone. There were141participants, including117female and24male. The mean age of participants was71.40±6.81years old. Participates were divided into two groups according to the history of previous hip fracture. There were65participants with hip fracture in group A and76participants without hip fracture in group B.Results Non-parametric tests prompted that12indicators of static postural stability were influencing factors of hip fracture in elderly. The logistic regression analysis confirmed that weight distribution index in NO (standing on a fixed metal platform with no pads, head straight with eye open) posture (OR=8.458, P=0.004) and0.35-0.50Hz spectrum in HF (keep eyes closed and standing on elastic pads, head forward down30degrees) posture (OR=6.883, P=0.009) were risk factors of hip fracture incidence.Conclusion Weight distribution index in NO posture and0.35-0.50Hz spectrum in HF posture are risk factors of hip fracture in elderly individuals, maybe they will be early predictions for hip fracture in elderly individuals.