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OBJECTIVE: Altered Postural control could increase the risk of falling in older adults. Factors such as low back pain and fear of falling can be contributing factors to postural control instability. This study aimed to investigate the effect of chronic low back pain (CLBP) and fear of falling (FOF) on postural control of older adults. METHOD: Forty-one older adults were included (27 LBP and 14 control). Among the participants, 22 people had high FOF, and 19 had low FOF based on Falls efficacy scale cut-off of ≥ 26. For postural control evaluation Center of pressure parameters (COP) of Standard deviation (Sd) of velocity, Sd of amplitude, path length and mean velocity in both Medial-lateral (ML) and Anterior-Posterior (AP) directions were measured. Mixed-model anova with two between group factor (Health status; with and without CLBP, and with high and low FES-I groups) and one within factor postural condition (four conditions with and without vision and Achill tendon vibration) was used. RESULT: No significant interaction between groups (health status and FES-I) and group with condition (health status and condition or FES-I and condition) was observed for all COP parameters in both AP and ML direction. There was main effect of FES-I for all COP parameters in ML direction, with greater Sd of velocity, Sd of amplitude, path length and mean velocity in older adults with high FES-I compared to low FES-I in the ML direction. CONCLUSION: High levels of FOF influenced static postural control in the ML direction. Therefore, paying attention to the lateral stability of older adults is of great importance.
Sarvari et al. (Wed,) studied this question.