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Ramadan Fasting Effects on Postural Control in the Elderly: A Comparison Between Fallers and Non-fallers

  • Rabeb Laatar
  • Rym Baccouch
  • Rihab Borji
  • Hiba Kachouri
  • Haithem Rebai
  • Sonia Sahli
Original Paper

Abstract

Our purpose was to compare the effects of Ramadan fasting on postural control in elderly fallers and non-fallers. The protocol involved twenty-four healthy old volunteer males divided into two groups: fallers (mean age = 75.43 ± 5.26 years, weight = 67.25 ± 5.30 kg and height = 1.65 ± 0.02 m) and non-fallers (mean age = 72.3 ± 6.42 years, weight = 65.5 ± 6.15 kg and height = 1.64 ± 0.03 m). Participants performed a simple reaction time test (SRT) and a postural control protocol on four different occasions: one week before Ramadan (BR), during the second (SWR) and the fourth week (FWR) of Ramadan and three weeks after Ramadan (AR). Center of pressure (CoP) parameters [the CoP medial–lateral length (CoPX), and the CoP antero-posterior length (CoPY)] were assessed using a force platform under two surface conditions: Firm surface and Foam surface. The results showed that Ramadan fasting influences similarly fallers and non-fallers. In fact, for both groups, the CoPX and the CoPY values increased significantly during the SWR and the FWR compared to BR. These CoP parameters decreased significantly in the Firm surface conditions in the FWR. Moreover, the CoP parameters were significantly higher during the FWR and AR in comparison with BR in the Foam surface conditions. However, the amplitude of increase of the CoP[X] % and the CoP[Y] % (ΔCoP[X] % and ΔCoP[Y] %) between BR and the SWR was significantly higher in the fallers than non-fallers. The SRT of elderly fallers and non-fallers was significantly higher in the SWR and in the FWR compared to BR. In conclusion, Ramadan fasting alters similarly postural control of elderly fallers and non-fallers, but the amplitude (ΔCoP[X] % and ΔCoP[Y] %) of this alteration seems to be more pronounced in fallers than non-fallers. A probable beginning of adaptation occurs at the FWR. However, three weeks seems to be insufficient to recover postural control alterations due to Ramadan fasting in difficult sensory conditions in elderly fallers and non-fallers.

Keywords

Falls Postural control Elderly Ramadan fasting 

Notes

Acknowledgments

We would like to thank the head of the Neurophysiology department of a University Hospital for collaboration and help. We also thank all the participants for their understanding and availability.

Compliance with Ethical Standards

Conflict of interest

The authors declare that they have no conflict of interest.

Human and Animal Rights Statement

This study involved human participants.

Informed Consent

Informed consent was obtained from all individual participants included in the study.

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Rabeb Laatar
    • 1
  • Rym Baccouch
    • 2
  • Rihab Borji
    • 1
  • Hiba Kachouri
    • 1
  • Haithem Rebai
    • 1
  • Sonia Sahli
    • 1
  1. 1.Research Unit Education, Motricité, Sport et Santé, UR15JS01, High Institute of Sport and Physical Education of SfaxUniversity of SfaxSfaxTunisia
  2. 2.Faculty of Sciences of BizerteUniversity of CarthageTunisTunisia

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