Mostafa Gomaa Mahmoud Ali, Neveen Abdel Latif Abdel Raoof, Magda Gaid Sedhom, Nesma Ahmed Helmy, Hossam Eddien Fawaz

Mostafa Gomaa Mahmoud Ali, Neveen Abdel Latif Abdel Raoof, Magda Gaid Sedhom, Nesma Ahmed Helmy, Hossam Eddien Fawaz – Effect of Different Lumbar Lordotic Angles on Dynamic Postural Stability in Young Adults. Fizjoterapia Polska 2020; 20(2); 142-147

DOI: https://doi.org/10.56984/8ZG0DC30E

Abstract
Objectives. Lumbar lordosis is a main element in maintaining the sagittal balance. Improper postural alignment and trunk stability and excessive spine curvatures such as lordosis, kyphosis and scoliosis can impact our balance system adversely. This study was conducted to investigate the effect of different lumbar lordotic angles on dynamic postural stability and limits of stability in young adults. Methods. 100 normal male subjects participated in this study; their ages were ranged from 20 to 35 years and their BMI were ranged from 18.5 to 24.9 kg/m2. They assigned to two equal groups according to the lumbar lordotic angle. Group (A) (n = 50 males) control group with normal lumbar lordotic angles ranged from 20 to 60 degrees. Group (B) (n = 50 males) hyper lordotic group with lumbar lordotic angles more than 60 degrees. X-ray was done to measure the lumbar lordotic angles using cobb’s angle method and the biodex balance system was used for assessment of dynamic postural stability and limits of stability. Results. The findings of current study using the MANOVA test revealed that there was a significant effect of different lumbar lordotic angles on dynamic postural stability and limits of stability in young adults (p = 0.0001). Conclusion. It was concluded that the difference in lumbar lordotic angles had an effect on dynamic postural stability and limits of stability in young adults. Moreover, subjects with increased lumbar lordotic angles reported poor dynamic postural stability and decreased limits of stability compared with normal ones using the biodex balance system.

Key words:
Lumbar lordotic angles, Dynamic postural stability, Biodex Balance System

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