Introduction
Projections suggest that the global population aged 60 years and older is expected to increase significantly between 2015 and 2050, reaching 1.5 billion individuals [2]. Aging is associated with changes in numerous sensory functions (including the vestibular system, vision, and proprioception), motor functions (musculoskeletal changes), and the central nervous system [3]. Consequently, a combination of these factors, particularly muscle weakness and poor balance, presents major risk factors for falls [5]. Fall prevention exercises focusing on enhancing sensory-motor and cognitive functions have been shown to improve balance and reduce fall risk. Although numerous studies with limited sample sizes and mixed outcomes have explored this topic, a comprehensive systematic synthesis of the existing evidence remains to be performed. Therefore, this study endeavors to analyze and synthesize data from diverse research on the effects of “Fall-Proof” exercises on balance and fall prevention in older adults.

Methods and Materials
This systematic review examines studies investigating the effects of “Fall-Proof” exercises on older adults.  The review encompasses research published in both Persian and English from the inception of the Fall-Proof protocol in 2005 up to the end of 2024. Relevant scientific evidence was systematically collected from articles indexed in the following databases: Web of Science, Google Scholar, PubMed, CINAHL, Scientific Information Database (SID), Islamic World Science Citation Center (ISC), Physiotherapy Evidence Database (PEDro), and Magiran.
The target population included elderly individuals aged 60 and above, regardless of gender. The inclusion criteria for this review were as follows: Studies involving older adults with an average age exceeding 60 years; the use of a Fall-Proof rehabilitation program with a minimum duration of 4 weeks; a comparison between any type of Fall-Proof intervention and other interventions or a control group; and experimental or quasi-experimental designs evaluating the impact of fall-proof rehabilitation programs on balance. Randomized clinical trials and quasi-experimental studies were included to assess the beneficial effects of the intervention, while observational studies (including cohort and case-control studies) were incorporated to supplement the evaluation. Article selection was conducted independently by two reviewers (Shakiba Fathi and Sahar Sadeghi), based on titles and abstracts. Duplicates were removed, and disagreements were resolved through consultation with the third author (Bahman Sadeghi). All selected studies were entered into EndNote software, version 10. Data extraction was performed by one author (Shakiba Fathi), with a second author (Sahar Sadeghi) responsible for reviewing all extracted information. Any discrepancies were resolved through discussion and consensus with the third author. The methodological quality and level of evidence for the included studies were assessed using the (PEDro) scale. 

Results
A total of 32 studies met the inclusion criteria and were fully reviewed. Subsequently, 14 studies were excluded for the following reasons: Failure to report selected outcomes (9 studies), discrepancies between the title/abstract and the full-text findings (2 studies), duplication of text or errors in author names (1 study), unavailability of the full text (1 study), and the nature of the study being a case report (1 study). Consequently, a total of 18 studies were included in the final synthesis, comprising 15 studies focusing on balance and 3 studies related to fall risk. Of these, 16 studies were deemed suitable for meta-analysis.
The total number of participants across the 16 studies was 465, with 255 participants in the Fall-Proof exercise group and 210 in the control group. The average age in the intervention group was 60.67±2.13 years, and in the control group, it was 62.41±1.87 years. All included studies employed a quasi-experimental design (pre-post). The evidence level, determined by the PEDro scale and confirmed by reviewer consensus, was classified as moderate (Level 2). With the exception of two studies [33, 34], the intervention in all other studies lasted for 8 weeks, involving three sessions per week, each lasting between 40–50 minutes.
Twelve studies compared Fall-Proof exercises directly with a control group. Two studies [40, 44] investigated the effects of low-intensity versus standard-intensity and duration interventions. One study [33] compared Fall-Proof exercises with Otago exercises, and another study [41] compared outcomes across three different age groups.
Functional balance was assessed in 14 studies using the Berg balance scale (BSS). Based on a funnel plot analysis, the studies were symmetrically distributed, with most studies appearing in the upper part of the plot. Egger’s test result was not statistically significant (P=0.237), suggesting the absence of publication bias. Static balance was assessed through the open and closed-eye balance retention test in 4 studies. Functional balance was assessed using the timed up and go (TUG) test (8-meter walk-back) in 4 studies, and fear of falling was assessed in 5 studies using the falls efficacy scale-international (FES-I). 

Conclusion 
The findings from the meta-analysis and forest plot indicate that fall-proof exercises significantly enhance balance parameters, including the BSS, as well as both open-eye and closed-eye balance. Furthermore, these exercises were associated with a reduction in the fear of falling. However, an increase in TUG test duration was not found to be statistically significant. Based on data from 5 studies, the fear of falling showed a significant reduction in the fall-proof exercise group compared to the control group, with the quality of these results deemed high according to the PEDro scale. Thus, it can be concluded that fall-proof exercises play a preventive role in reducing falls and the likelihood of fractures. In contrast, studies by Lee et al. and Zhao et al. [61, 62] found significant differences in the frequency of falls between exercise intervention groups and control groups. However, they did not find significant differences in the number of falls between these groups. This discrepancy can be attributed to factors, such as the average age of participants, gender distribution, and the research methodology. 

Ethical Considerations
Compliance with ethical guidelines
All ethical principles were considered in this study. This is a systematic review study. No experiments were conducted on human or animal samples. This article received the code of ethics from Isfahan University of Medical Sciences (Code: IR.MUI.MED.REC.1403.343).

Funding
This research did not receive any grant from funding agencies in the public, commercial, or non-profit sectors

Authors' contributions
All authors contributed equally to the conception and design of the study, data collection and analysis, interpretation of the results, and drafting of the manuscript. Each author approved the final version of the manuscript for submission.

Conflicts of interest
The authors declared no conflicts of interest.


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