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Background and Objectives: In 2010, Webber and colleagues conceptualized the interrelationships between mobility determinants, and researchers tested Webber's framework using data from developed countries. No studies have tested this model using data from developing nations (e.g., Nigeria). This study aimed to simultaneously explore the cognitive, environmental, financial, personal, physical, psychological, and social influences and their interaction effects on the mobility outcomes among community-dwelling older adults in Nigeria. Research Design and Methods: This cross-sectional study recruited 227 older adults (mean age [standard deviation] = 66.6 [6.8] years). Performance-based mobility outcomes included gait speed, balance, and lower extremity strength, and were assessed using the Short Physical Performance Battery, whereas the self-reported mobility outcomes included inability to walk 0.5 km, 2 km, or climb a flight of stairs, assessed using the Manty Preclinical Mobility Limitation Scale. Regression analysis was used to determine the predictors of mobility outcomes. Results: The number of comorbidities (physical factor) negatively predicted all mobility outcomes, except the lower extremity strength. Age (personal factor) negatively predicted gait speed (ß = -0.192), balance (ß = -0.515), and lower extremity strength (ß = -0.225), and a history of no exercise (physical factor) positively predicted inability to walk 0.5 km (B = 1.401), 2 km (B = 1.295). Interactions between determinants improved the model, explaining the most variations in all the mobility outcomes. Living arrangement is the only factor that consistently interacted with other variables to improve the regression model for all mobility outcomes, except balance and self-reported inability to walk 2 km. Discussion and Implications: Interactions between determinants explain the most variations in all mobility outcomes, highlighting the complexity of mobility. This finding highlighted that factors predicting self-reported and performance-based mobility outcomes might differ, but this should be confirmed with a large data set.

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BACKGROUND: Effective vocalization is dependent on breathing efficiency. Previous studies have reported the efficacy of Diaphragmatic Breathing Exercise (DBE) on the respiratory muscles and breath control of vocalists. There is a paucity of data on the effects of DBE on their vocal sustenance (VS), which is determined as Maximum Phonation Time (MPT). No known published study has considered physiotherapy as influencing voice dynamics amongst vocalists; evaluated the relationship between respiratory functions (Forced Vital Capacity - FVC, Forced Expiratory Volume in one second - FEV1, FEV1/FVC, and Peak Expiratory Flow - PEF) and VS in apparently healthy vocalists. Moreover, literature on the benefits of DBE to vocalists has not considered explicitly this aspect of vocalization skill, VS. METHODS: This is a pre-test - post-test experimental study involving a total of 37 participants (17 males and 20 females) selected by purposive and convenience sampling techniques. The subjects were grouped into DBE and control groups. Spirobank MIR spirometer was used to assess the respiratory function of the singers, while a stopwatch and keyboard were used in assessing the MPT. Statistical analysis was done with SPSS version 21.0. Alpha level set at 0.05. RESULTS: Significant improvement was found in respiratory functions (FVC, FEV1, FEV1/FVC, PEF) of the DBE group when pre- and post-test results were compared. The DBE and control groups differed significantly. Respiratory values correlated significantly with the MPT values (FVC - r[p] - 0.416[0.011]; FEV1 - r[p] - 0.416[0.010]; PEF - r[p] - 0.566[0.000]), except for FEV1/FVC - r(p) - 0.248(0.138). Voice category did not correlate with respiratory parameters or MPT. While male singers showed more changes in respiratory function the female singers showed more improvement in MPT. CONCLUSION AND RECOMMENDATION: DBE can improve respiration and VS (increased MPT). Therefore, it can be recommended for vocalists, and Physiotherapy can be relevant in trainings to improve vocal dynamics.

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Uptake of a vaccine is complete if individuals are aware of the associated risks of the vaccine, accept the vaccine, and respond positively to the nudges (activation) to increase the uptake, and respond when the vaccine is made accessible and affordable. We mapped systematically the existing literature concerning the 5As-acceptability, accessibility, affordability, awareness, and activation-of COVID-19 vaccination among adults and, specifically, older adults (55 years and older) in Africa. We searched multiple databases from 2020 to December 2021. Using predefined inclusion and exclusion criteria, two reviewers screened citations, conducted title and abstract screening, and extracted data independently. We included 68 articles conducted in 33 African countries, primarily cross-sectional studies (n = 49, 72%). None of the articles focused on older adults only, but 22 articles (32%) included at least one older adult (55 years and older) in their sample size. Acceptance (n = 58, 85%) was the most commonly researched aspect of vaccine uptake, followed by accessibility (n = 17, 25%), awareness (n = 13, 19%), and affordability (n = 5, 7.0%). We found only one report on activation. Factors affecting acceptance of the COVID-19 vaccine in Africa were grouped into sociodemographic factors; knowledge-, attitude-, and belief-related factors; a COVID-19 vaccine efficacy and safety concern factor; and trust in government and public health authorities. The governments of African nations should focus on strategies to influence the modifiable factors identified in this review. More studies are needed to evaluate the impact of nudges (activation) to improve COVID-19 vaccine uptake in African nations.

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BACKGROUND: In 2040, the older population's growth rate in sub-Saharan Africa (SSA) will be faster than those experienced by developed nations since 1950. In preparation for this growth, the National Institute on Aging commissioned the National Academies' Committee on Population to organize a workshop on advancing aging research in Africa. This meeting provided a platform for discussing some areas requiring improvement in aging research in SSA regions. We believed that conducting a systematic review of peer-reviewed articles to set priorities for aging research in SSA is warranted. Therefore, this article is the first in a Four-Part series that summaries the types and trends of peer-reviewed studies in SSA. METHODS: This systematic mapping review followed the Search-Appraisal-Synthesis-Analysis Framework. We systematically searched multiple databases from inception till February 2021 and included peer-reviewed articles conducted with/for older adults residing in SSA. Conventional content analysis was employed to categorize studies into subject-related areas. RESULTS: We included 512 studies (quantitative = 426, qualitative = 71 and mixed-method = 15). Studies were conducted in 32 countries. Quantitative studies included were observational studies: cross-sectional (n = 250, 59%), longitudinal (n = 126, 30%), and case-control (n = 12, 3%); and experimental studies: pre-post design (n = 4, 1%), randomized control trial (RCT, n = 12, 3%); and not reported (n = 21, 5%). Fifteen qualitative studies did not state their study design; where stated, study design ranged from descriptive (n = 14, 20%), ethnography (n = 12, 17%), grounded theory (n = 7, 10%), narrative (n = 5, 7%), phenomenology (n = 10, 14%), interpretative exploratory (n = 4, 6%), case studies (n = 4, 6%). Of the 15 mixed-method studies, seven did not state their mixed-method design. Where stated, design includes concurrent (n = 1), convergent (n = 1), cross-sectional (n = 3), informative (n = 1), sequential exploratory (n = 1) and retrospective (n = 2). Studies were classified into 30 (for quantitative studies) and seven (for qualitative and mixed-method) subject-related areas. HIV/AIDs-related and non-communicable diseases-related studies were the most predominant subject-related areas. No studies explored the transdisciplinary co-production of interventions. CONCLUSIONS: There are glaring gaps in ageing research in SSA, especially mixed-methods and RCTs. A large number of studies focused on HIV/AIDs and non-communicable disease-related studies. National and international funding agencies should set up priority funding competitions for transdisciplinary collaborations in ageing research.

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BACKGROUND: Disasters represent substantial health risks to the human population. Proper interventions at all stages of disaster management (DM) are essential for human-related outcomes. The role of physiotherapy in DM should not be underestimated, but unfortunately information on the involvement of physiotherapists in DM is limited in sub-Saharan Africa. METHODS: One hundred and fifty Nigeria-based and trained physiotherapists were recruited to complete a questionnaire investigating the knowledge, practices and perceived barriers of the role of physiotherapists in DM. RESULTS: Physiotherapists had moderate knowledge of their role at every stage of DM. However, their involvement in specific DM-related activities during various stages of DM in the country was low. Major barriers to the involvement of physiotherapists in DM included a lack of established government policies on the integration of physiotherapists in DM (90.0%) and a lack of specialty clinical practice areas in DM (89.3%). For improved involvement of physiotherapists in DM in Nigeria, respondents recommended creating an awareness of the role of physiotherapists in DM (91.3%), providing continuous education programmes on DM (90.6%) and inclusion of DM in physiotherapy training programmes in Nigeria (90.0%). CONCLUSION: Physiotherapists perceived that they are not adequately involved in DM in Nigeria, despite their moderate knowledge of their role during DM.

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PURPOSE: This study aimed to evaluate the interaction of people living with mobility disability (PLWMDs), mobility aid devices (MADs), and their environment. MATERIALS AND METHOD: This was a cross-sectional institution-based survey with 51 participants (33 males and 18 females) aged between 18 and 50 years old. Participants were recruited using a purposive sampling method with snowballing. Data were collected using modified socio-cognitive and psychological impacts of the device self-administered questionnaire and analysed using descriptive statistics of frequency count, mean, percentages and standard deviation and Pearson's chi-square. Alpha level was set at 0.05. RESULTS: The results showed diagnosis around the lower limb leading to disabilities implicated the use of MADs. The results showed the psychological factors and combined effect of psychological, socio-cultural and environmental factors were found to be significantly associated with the use of MADs at a significant level of p = .011 and .011, respectively. CONCLUSION: The findings of the study suggest a negative effect associated with lack of proper use of MADs as well as the importance of MADs for promoting participation, inclusion, and productivity of PLWDs. However, the effectiveness of a specific type of MADs should be assessed in future studies.Implications for rehabilitationMobility aids devices are designed to help people achieve independence, reduce pain, increase confidence and self-esteem.Individuals with mobility disability are often encouraged to make use of the mobility aids devices.The type of mobility aid device required for each individual will depend on the mobility disability or injury.

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