Introduction: Postural control is a complex function managed by central nervous system, musculo-skeletal system, neuro-muscular system, sensory system and cognition. Aging has negative impact on many bodily systems, but it affects most the musculo-skeletal system, visual system, vestibular system, proprioceptive system and cognition. Postural control consists of three types of balance. These are steady-state balance, anticipatory balance and reactive balance. In the past, postural control assessment tools were built to recognize whether a person has balance issues or is prone to falling, but not which type of balance is affected. Short version of Balance Evaluation Systems Test (mini-BESTest) is an assessment tool designed to check individuals anticipatory balance, reactive balance, sensory orientation and dynamic gait balance. Purpose: Our goal was to check ceiling and floor effect of modified Slovenian version of mini-BESTest and which of the protocol balance tasks are the easiest and the hardest among two different types of elderly population. Methods: Using mini-BESTest, we assessed balance of 76 elderly adults split among two groups. Afterwards, the mini-BESTest data was used to calculate descriptive statistics. Results: The data acquired by using the mini-BESTest assessment protocol showed that only two individuals (5 %) from young elderly group reached maximum amount of points (42). There was no ceiling effect observed among older elderly adults. Furthermore, no floor effect was observed on either test group. The data also provided information which of the mini-BESTest balance tasks are the hardest and which are the easiest. For the young elderly, the easiest tasks were sit to stand, stance on a firm surface with eyes open, stance on an inclined surface with eyes closed and walking with intermediate change in gait speed, while the hardest task was compensatory stepping correction to the side. For the older elderly, the easiest task was walking with intermediate change in gait speed, while the hardest task was single leg stance. Discussion and conclusion: Despite 5 % of younger eldery adults reaching maximum amount of points, mini-BESTest is still suitable to use for assessment of balance for both groups of the elderly adults. The data collected using modified Slovenian mini-BESTest also showed that there is a gap in difficulty of balance task between the two groups of elderly population.
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