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Michelle L Gutierrez,1 Jennifer B Christy,2 Susan L Whitney3 1Doctor of Physical Therapy Program, The University of Texas at El Paso, El Paso, TX, USA; 2Department of Physical Therapy, The University of Alabama at Birmingham, Birmingham, AL, USA; 3Departments of Physical Therapy and Otolaryngology, University of Pittsburgh, Pittsburgh, PA, USA Purpose: The objective of this study was to develop and establish content validity of a new instrument titled the Military Concussion Readiness Inventory for Dizziness and Balance (MCRI-DB). The MCRI-DB was intended to recognize functional impairments and predict readiness for return-to-duty in service members who experienced mild traumatic brain injury (mTBI). Methods: Nineteen male service members were included in a nominal group technique (NGT) process to produce items for the MCRI-DB. Items were categorized according to the International Classification of Functioning, Disability and Health (ICF) and were sent to 13 physical therapy experts through a Delphi survey to determine content validity. The consensus to include an item was defined as an agreement of at least 70% of the participants. Results: The NGT produced 222 items with 108 duplicates removed. The ICF categorization linked 84 of the items to 36 unique ICF Codes, 9 items were not linkable to the ICF due to the complex nature of the activity, and 21 items were removed. After three rounds of the Delphi survey, 68 items were included in this instrument. Conclusion: In this study, we successfully combined the use of service members’ experiences with expert opinion to determine content validity of the MCRI-DB. This instrument may be used for assessment of service members who have experienced mTBI to help identify environmental factors, functional activities, and body functions that may reduce the safe and efficient fulfillment of their duties and determine their ability to return-to-duty. Further research is needed to develop the psychometric properties of the instrument fully. Keywords: blast injury, questionnaire, return-to-duty, service member

Background and Purpose: Management of dizziness and balance dysfunction is a major challenge after concussion. The purpose of this study was to examine the effect of vestibular rehabilitation in reducing dizziness and to improve gait and balance function in people after concussion. Methods: A retrospective chart review of 114 patients (67 children aged 18 years and younger [mean, 16 years; range, 8-18 years]; 47 adults older than 18 years [mean, 41 years; range, 19-73 years]) referred for vestibular rehabilitation after concussion was performed. At the time of initial evaluation and discharge, recordings were made of outcome measures of self-report (eg, dizziness severity, Activities-specific Balance Confidence Scale, and Dizziness Handicap Inventory) and gait and balance performance (eg, Dynamic Gait Index, gait speed, and the Sensory Organization Test). A mixed-factor repeated-measures analysis of variance was used to test whether there was an effect of vestibular rehabilitation therapy and age on the outcome measures. Results: The median length of time between concussion and initial evaluation was 61 days. Of the 114 patients who were referred, 84 returned for at least 1 visit. In these patients, improvements were observed in all self-report, gait, and balance performance measures at the time of discharge (P < .05). Children improved by a greater amount in dizziness severity (P = .005) and conditions 1 (eyes open, fixed support) and 2 (eyes closed, fixed support) of the Sensory Organization Test (P < .025). Discussion: Vestibular rehabilitation may reduce dizziness and improve gait and balance function after concussion. For most measures, the improvement did not depend on age, indicating that vestibular rehabilitation may equally benefit both children and adults. Conclusions: Vestibular rehabilitation should be considered in the management of individuals post concussion who have dizziness and gait and balance dysfunction that do not resolve with rest. [ABSTRACT FROM AUTHOR]

Older adults with dementia are at greater risk for falls and for significant injury than cognitively intact older adults. The cause of falls in older adults is multifactorial, and there appears to be additional contributing factors to falls in older adults with cognitive dysfunction. This paper presents a review of the literature on falls in older adults with cognitive dysfunction. The purpose of this paper is to identify changes in the postural control mechanisms of older adults with cognitive dysfunction that may contribute to the increased risk of falls noted with this population. By developing a better understanding of the particular physical, physiological and perceptual changes that occur in older adults with dementia, healthcare providers may be better able to address the special needs of this population, thus hopefully minimising injury and mortality that may occur as a result of falling. [ABSTRACT FROM AUTHOR]

Objective: The purpose of this article is to review assessments of motor function after stroke.Method: Eleven assessments were reviewed for what aspects of motor function are measured; tools needed; evidence for reliability and validity of the assessment and advantages and disadvantages of the assessment. The assessments were the Fugl-Meyer Assessment Scale for Stroke Patients (FMA), the Motor Assessment Scale (MAS), the Rivermead Motor Assessment (RMA), the Chedoke-McMaster Stroke Assessment (CMSA), the Motor Club Assessment (MCA), the Motricity Index (MI), the Stroke Rehabilitation Assessment of Movement (STREAM), the Frenchay Arm Test (FAT), the Action Research Arm Test (ARAT), the Functional Test for the Hemiparetic Upper Extrcmity (FT), and the Arm Motor Ability Test (AMAT).Results: The FMA, MAS, RMA, CMSA, MCA, MI, and STREAM measure motor function in both the upper and lower extremities while the FAT, ARAT, FT, and AMAT are specific to the upper limb only. The majority of the assessments test at the impairment level rather than at the activity level. The FMA, CMSA, MCA, MI, and STREAM require the least equipment (for example, a mat/bed, chair, marble/block) while the RMA, the MAS, the FAT, ARAT, FT, and AMAT require the use of numerous small objects, some of which are very specific in dimensions. The instruments differ in their reliability and validity with the FMA and CMSA having more sound psychometric evidence than the other tests reviewed.Conclusion: Familiarity with assessments of motor function can be helpful in selecting the one most appropriate to one's setting and need. These assessments, in addition to assessing activities of daily living, can separate specific lost neurological function from compensatory responses to document the outcomes and the effectiveness of therapeutic techniques. [ABSTRACT FROM AUTHOR]

Inflatable pressure splints or airsplints have been used as an adjunct to therapy in patients who have had a stroke. These splints are made of clear plastic, are available in a variety of lengths, and can exert static or intermittent pressure. They have been used to reduce tone, facilitate muscle activity around a joint, increase sensory input, control edema, and reduce pain. While in the splint, patients can participate in functional activities involving the use of the splinted extremity or in weightbearing activities. This paper describes how the splints are used as an adjunct to treatment and discusses the neurophysiological rationale for use of the splints. Research on the effectiveness of the splints is also reviewed. [ABSTRACT FROM AUTHOR]

The following discussion between Michael Veal and Whitney Slaten emerged amidst Veal’s presentations for Columbia’s Center for Jazz Studies in the 2015-2016 academic year. Drawing from the current research of Veal and Slaten, as well as the recent work in sound studies, this discussion explores the status of the human in black popular music studies. It begins by tracing the significance of how Veal situates his subjects locally, yet also in dialogue with important centers of black popular music throughout the Atlantic. In the wake of oppressive histories that have associated black musical expression to the permanent objectifications of slavery, the dis-course about Fred Moten’s important analysis of Aunt Hester’s scream as the supposed object’s resistance, and sound studies’ new turn to decenter social categories in favor of foregrounding sounds and sonic phenomena as objects, the second section asks the following question: how does post-humanism juxtapose with scholarship on black music? Considering the complexities associated with human and post-human approaches, the final section considers how blackness and labor figure in Slaten’s ethnographic research on professional live sound engineering in New York City.

The recording studio, a site that music makers use to represent and produce sonic culture, is not merely a musical place. Recording studios are social, electronic, architectural, acoustic, and creative technologies of representation. Throughout recording processes, music industries seek to mystify the functional status of the studio among consumers of pop music. This encourages alienation between consumers and producers of popular music, rendering the agency of music business interests invisible, inaudible, and transparent. Roben Jones’s Memphis Boys: The Story of American Studios, John Hartley Fox’s King of the Queen City: The Story of King Records, and Andy Bradley and Roger Wood’s House of Hits: The Story of Houston’s Gold Star/Sugarhill Recording Studios present music scholarship with three recording studios that significantly contributed to American popular music. These works successfully document the local and national contexts in which these studios produced, as well as many accounts of individuals who were involved in the studios and specific recording sessions; however, these are books in which the representation of recording studios weighs heavily on celebrations of illustrious music makers and the popular music they produce. Jones and Fox are not as careful in attending to the diverse artistic and technological agencies of architects, carpenters, acousticians, engineers, musicians, producers, and business people in the history of the recording studios as are Bradley and Wood. Works such as these perpetuate readers’ misunderstanding of the complexities involved in recording studio labor and inhibit scholarly analyses of popular music production. Representations of recording studio life comprise a small category of scholarship on popular music.

Background: Around the world, individuals are living longer, but an increased average lifespan does not always equate to an increased healthspan. With advancing age, the increased prevalence of ageing-related diseases can have a significant impact on health status, functional capacity, and quality of life. It is therefore vital to develop comprehensive classification and staging systems for ageing-related pathologies, diseases and syndromes. This will allow societies to better identify, quantify, understand, and meet the healthcare, workforce, wellbeing, and socioeconomic needs of ageing populations, while supporting the development and utilisation of interventions to prevent or to slow, halt or reverse the progression of ageing-related pathologies., Methods: The foundation for developing such classification and staging systems is to define the scope of what constitutes an ageing-related pathology, disease or syndrome. To this end, a consensus meeting was hosted by the International Consortium to Classify Ageing-Related Pathologies (ICCARP), on February 19 th , 2024, in Cardiff, UK, and was attended by 150 recognised experts. Discussions and voting were centred on provisional criteria that had been distributed prior to the meeting. The participants debated and voted on these. Each criterion required a consensus agreement of ≥70% for approval., Results: The accepted criteria for an ageing-related pathology, disease or syndrome were: Develops and/or progresses with increasing chronological age.Should be associated with, or contribute to, functional decline, or an increased susceptibility to functional decline.Evidenced by studies in humans., Conclusions: Criteria for an ageing-related pathology, disease or syndrome have been agreed by an international consortium of subject experts. These criteria will now be used by the ICCARP for the classification and ultimately staging of ageing-related pathologies, diseases and syndromes.

Background: Dizziness is common in older adults, especially in those attending falls services. Yet, the extent to which dizziness is associated with future falls has not been reviewed. This systematic review and meta-analysis assessed the association between dizziness and future falls and related injuries in older adults., Methods: EMBASE, CINAHL Plus, SCOPUS and PsycINFO databases were searched from inception to 5 February 2024. The review was registered on PROSPERO (registration ID: CRD42022371839). Meta-analyses were conducted for the associations of dizziness with future falls (including recurrent and injurious falls). Three meta-analyses were performed on different outcomes: any-type falls (≥1 falls), recurrent falls (≥2 falls) and injurious falls., Results: Twenty-nine articles were included in the systematic review (N = 103 306 participants). In a meta-analysis of 14 articles (N = 46 795 participants), dizziness was associated with significantly higher odds of any-type future falls (OR = 1.63, 95% CI = 1.44-1.84). In another meta-analysis involving seven articles (N = 5630 participants), individuals with dizziness also had significantly higher odds of future recurrent falls (OR = 1.98, 95% CI = 1.62-2.42). For both meta-analyses, significant overall associations were observed even when adjusted for important confounding variables. In contrast, a meta-analysis (three articles, N = 46 631 participants) revealed a lack of significant association between dizziness and future injurious falls (OR = 1.12, 95% CI = 0.87-1.45)., Conclusions: Dizziness is an independent predictor of future falls in older adults. These findings emphasise the importance of recognising dizziness as a risk factor for falls and implementing appropriate interventions., (© The Author(s) 2024. Published by Oxford University Press on behalf of the British Geriatrics Society.)

Background: We investigated the extent of literature and findings on relationships between vestibular issues, noise sensitivity (NS), and anxiety. We were interested in how relationships among these factors impacted adults' recovery three months or more after mild traumatic brain injury (mTBI)., Methods: We conducted a scoping review to evaluate the extent of evidence linking relationships between vestibular issues, NS and anxiety with recovery after mTBI. Data relating to study characteristics and key findings were extracted and used to inform a critical narrative synthesis of findings., Results: After screening and full-text review, we included two studies. Both studies considered the combination of vestibular issues, NS and anxiety and mTBI recovery. Vestibular issues, NS and anxiety were all significantly associated with one another and their presence was the strongest indicator that symptoms would extend beyond three-months after mTBI., Conclusion: Few studies have focused on the relationships that vestibular issues, NS and anxiety have with one another and recovery after mTBI. Given the apparent strong relationships between these factors and prolonged recovery, we highlight this as an area warranting further investigation.

Background and Objectives : The Life-Space Assessment (LSA) serves as an assessment tool for evaluating mobility and participation in older adults. To date, no studies have investigated the validity and reliability of the LSA within Arabic-speaking communities. The purpose of this study was to examine the reliability and validity of an Arabic version of the LSA and to investigate the potential predictors of mobility restrictions in older Arabic-speaking adults. Materials and Methods : This study involved a cohort of 75 Arabic-speaking older adults (with a mean age of 67.2 ± 5.9). The LSA was administered twice, with a one-week interval, to assess its test-retest reliability. The internal consistency and test-retest reliability of the LSA were assessed using Cronbach's alpha and intra-class correlation coefficients (ICCs), respectively. The validity of the LSA was determined by analyzing its correlation with outcome measures related to the fear of falling, depression, quality of life, lower limb strength, physical performance, and gait speed. Results : The test-retest reliability of the LSA composite score demonstrated good results (ICC = 0.83). The validity of the LSA was supported by significant correlations between its scores and factors such as gender, education level, and all other outcome measures. Notably, being female and having a lower gait speed emerged as significant predictors of mobility restrictions in older Arabic-speaking adults, accounting for 49% of the variance (R 2 = 49%) in the multiple logistic regression analysis conducted. Conclusions : The Arabic version of the LSA has proven to be a reliable and valid measure of mobility and participation among older Arabic-speaking adults. This study endorses the application of the Arabic LSA in both research and clinical settings involving older adults and emphasizes the need for further investigation to fully understand its psychometric features in other Arabic-speaking individuals afflicted with neurological and musculoskeletal conditions.

Introduction: The vestibular system, essential for gaze and postural stability, can be damaged by threats on the battlefield. Technology can aid in vestibular assessment and rehabilitation; however, not all devices are conducive to the delivery of healthcare in an austere setting. This scoping review aimed to examine the literature for technologies that can be utilized for vestibular assessment and rehabilitation in operational environments., Materials and Methods: A comprehensive search of PubMed was performed. Articles were included if they related to central or peripheral vestibular disorders, addressed assessment or rehabilitation, leveraged technology, and were written in English. Articles were excluded if they discussed health conditions other than vestibular disorders, focused on devices or techniques not conducive to the operational environment, or were written in a language other than English., Results: Our search strategy yielded 32 articles: 8 articles met our inclusion and exclusion criteria whereas the other 24 articles were rejected., Discussion: There is untapped potential for leveraging technology for vestibular assessment and rehabilitation in the operational environment. Few studies were found in the peer-reviewed literature that described the application of technology to improve the identification of central and/or peripheral vestibular system impairments; triage of acutely injured patients; diagnosis; delivery and monitoring of rehabilitation; and determination of readiness for return to duty., Conclusions: This scoping review highlighted technology for vestibular assessment and rehabilitation feasible for use in an austere setting. Such technology may be leveraged for prevention; monitoring exposure to mechanisms of injury; vestibular-ocular motor evaluation; assessment, treatment, and monitoring of rehabilitation progress; and return-to-duty determination after vestibular injury., Future Directions: The future of vestibular assessment and rehabilitation may be shaped by austere manufacturing and 3D printing; artificial intelligence; drug delivery in combination with vestibular implantation; organ-on-chip and organoids; cell and gene therapy; and bioprinting.

Background: In patients with cerebellar ataxia (CA), dual-tasking deteriorates the performance of one or both tasks., Objective: Evaluate the effects of 4 weeks of cognitive-coupled intensive balance training (CIBT) on dual-task cost, dynamic balance, disease severity, number of falls, quality of life, cognition and cost among patients with CA., Methods: This RCT compared CIBT (Group 1) to single-task training (Group 2) among 32 patients with CA. The intervention included either dual-task (CIBT) or single-task training for 4 weeks followed by 6 months of unsupervised home exercises. Dual-task timed up-and-go test (D-TUG) assessed dual-task cost of the physical and cognitive tasks. Assessment time points included baseline 1 (Week 0:T1), baseline 2 (Week 6:T2), post-intervention (Week 10:T3), and follow-up (Week 34:T4)., Results: Compared to single-task training CIBT improved the dual-task cost of physical task [MD -8.36 95% CI (-14.47 to -2.36, p < 0.01), dual-tasking ability [-6.93 (-13.16 to -0.70); p = 0.03] assessed using D-TUG, balance assessed using the scale for the assessment and rating of ataxia (SARAbal) [-2.03 (-4.04 to -0.19); p = 0.04], visual scores of the SOT (SOT-VIS) [-18.53 (-25.81 to -11.24, p ≤ 0.01] and maximal excursion [13.84 (4.65 to 23.03; p ≤ 0.01] of the Limits of Stability (LOS) in the forward direction and reaction time in both forward [-1.11 (-1.42 to -0.78); p < 0.01] and right [-0.18 (0.05 to 0.31); p < 0.01] directions following 4 weeks of training. CIBT did not have any additional benefits in reducing the number of falls, or improving disease severity, quality of life and cognition. The mean cost of intervention and healthcare costs for 7 months was HKD 33,380 for CIBT group and HKD 38,571 for single-task training group., Conclusion: We found some evidence to support the use of CIBT for improving the dual-tasking ability, dual-task cost of physical task and dynamic balance in CA. Future large fully-powered studies are needed to confirm this claim., Clinical Trial Registration: https://clinicaltrials.gov/study/NCT04648501, identifier [Ref: NCT04648501]., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2024 Winser, Chan, Whitney, Chen and Pang.)

Background: Vestibular Activities and Participation Measure (VAP) subscales assess the effect of vestibular disorders on activity and participation. This study aimed to perform the cross-cultural adaptation and assess the validity, internal consistency, reliability, and measurement error of the Brazilian version of VAP subscales., Methods: The cross-cultural adaptation followed the translation, synthesis, back-translation, review by a committee of experts, and pretesting phases. Structural validity was assessed using exploratory factor analysis (EFA) and confirmatory factor analysis (CFA), while Spearman's correlation between VAP subscales and the Dizziness Handicap Inventory (DHI) was used to assess construct validity. Cronbach's alpha measured internal consistency. Intraclass correlation coefficient (ICC) assessed intra- and inter-rater reliability, and measurement error was calculated by using the standard error of measurement (SEM) and minimal detectable change (MDC)., Results: Additional information was included in the Brazilian version of the Vestibular Activities and Participation measure (VAP-BR) after approval by one of the developers of the instrument to improve the understanding among individuals. One factor was found in the EFA for each subscale with 50% explained variance. Regarding CFA, the subscales 1 (S1) and 2 (S2) presented, respectively, adequate model fit indices (ie, comparative fit index of 0.99 and 0.97, and standardized root mean square residual of 0.04 for both subscales), but a very low factor load in item 6 of S1 (0.08). Chronbach's alpha was 0.80 (S1) and 0.82 (S2). For intra-rater assessment, the S1 and S2 presented an ICC of 0.87 and 0.90, SEM of 0.01 and 1.16, and MDC of 0.39 and 0.46, respectively. When assessed by 2 different raters, SEM values were 1.03 and 1.53, and MDC values were 2.85 and 4.23 for S1 and S2, respectively; both subscales showed an ICC of 0.92. Correlations between DHI and VAP subscales presented coefficients above 0.57., Conclusion: The Brazilian version of VAP subscales presents good measurement properties and may assist health professionals in identifying activity limitations and participation restrictions in individuals with vestibular disorders., Competing Interests: Declaration of Conflicting InterestsThe author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Objective: The purpose of this study was to establish the psychometric properties of the 9-Item Vestibular Activities Avoidance Instrument (VAAI-9), a patient-reported outcome measure developed to identify fear avoidance beliefs in persons with vestibular disorders., Methods: This prospective cohort study included 100 participants 18 years and older seeking care at a balance disorders clinic for dizziness. Participants completed the VAAI-9, the Dizziness Handicap Inventory (DHI), and other patient-reported outcomes at the initial visit and the 3-month follow-up. To measure test-retest reliability, the VAAI-9 was completed again 5 days after the initial visit and was analyzed using a 2-way mixed ICC for absolute agreement. Internal consistency was determined using the Cronbach alpha. The Spearman correlation coefficient was used to assess convergent validity of the VAAI-9 with other outcomes. Receiver operating characteristic curves were used to identify baseline VAAI-9 cutoff scores for those who reported mild (DHI ≤ 30) or moderate or severe (DHI > 30) perceived disability at the 3-month follow-up., Results: The mean age of the study cohort was 49 (SD = 16) years; 73 (73%) were women. Seventy-one participants completed the 5-day follow-up, and 68 completed the 3-month follow-up. The VAAI-9 demonstrated excellent internal consistency (α = 0.91) and test-retest reliability (ICC = 0.90). Baseline VAAI-9 scores had moderate to strong associations with other outcome measures at baseline and 3 months. A baseline VAAI-9 score of 26 or higher had a sensitivity of 80.6% and a specificity of 78.4% for identifying a DHI score of >30 at 3 months (area under the curve = 0.86)., Conclusions: The results provide evidence of excellent reliability and validity for the 9-item VAAI in persons with vestibular disorders. A baseline VAAI-9 score of ≥26 identified individuals at risk of persistent moderate to severe disability due to dizziness., Impact: Initial levels of fear avoidance beliefs measured using the VAAI-9 provided important prognostic information about outcomes for persons with vestibular symptoms., (© The Author(s) 2023. Published by Oxford University Press on behalf of the American Physical Therapy Association. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)

Background/introduction: In persons with vestibular disorders, disturbed vestibular input and accompanying dizziness can be associated with anxiety or depression. To avoid dizziness, persons with vestibular disorders can develop mal-adaptive fear avoidance behaviors which can negatively influence daily life functioning. The aims of this study were to (1) document different psychological factors in patients with vestibular disorders and healthy adults across cultures and (2) to assess the convergent validity of the 9-item Vestibular Activities Avoidance Instrument (VAAI), which quantifies fear avoidance beliefs., Methods: Psychological factors and disability were measured in Dutch-speaking healthy adults and English- and Dutch-speaking persons with vestibular disorders using the VAAI, the Dizziness Handicap Inventory (DHI), the Hospital Anxiety and Depression Scale (HADS) and the Activities-Specific Balance Confidence Scale (ABC). The convergent validity of the VAAI was investigated by performing correlation analyses between the VAAI, the DHI, the HADS, and the ABC., Results: A total of 151 Dutch-speaking healthy adults, 404 English-speaking participants with vestibular disorders, and 126 Dutch-speaking participants with vestibular disorders were included. Participants with vestibular disorders presented with higher levels of fear avoidance beliefs (VAAI), perceived disability (DHI), anxiety and depression (HADS), and lower confidence during balance activities (ABC) compared to healthy adults. Regarding the convergent validity of the VAAI, there were moderate to strong correlation coefficients ( r = 0.39-0.74) between fear avoidance and the DHI, HADS, and ABC in participants with vestibular disorders., Conclusions: Participants with vestibular disorders report a higher psychological burden compared to healthy adults. These results emphasize the importance of assessing psychological factors in persons with vestibular disorders. In addition, evidence was provided for convergent validity, supporting the VAAI as a valid outcome measure across cultures., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2023 Van Laer, Dunlap, Vereeck, Hendriks, Sluydts and Whitney.)

Benign paroxysmal positional vertigo (BPPV) is amongst the commonest causes of dizziness and falls in older adults. Diagnosing and treating BPPV can reduce falls, and thereby reduce fall-related morbidity and mortality. Recent World Falls Guidelines recommend formal assessment for BPPV in older adults at risk of falling, but only if they report vertigo. However, this recommendation ignores the data that (i) many older adults with BPPV experience dizziness as vague unsteadiness (rather than vertigo), and (ii) others may experience no symptoms of dizziness at all. BPPV without vertigo is due to an impaired vestibular perception of self-motion, termed 'vestibular agnosia'. Vestibular agnosia is found in ageing, neurodegeneration and traumatic brain injury, and results in dramatically increased missed BPPV diagnoses. Patients with BPPV without vertigo are typically the most vulnerable for negative outcomes associated with this disorder. We thus recommend simplifying the World Falls Guidelines: all older adults (>60 years) with objective or subjective balance problems, irrespective of symptomatic complaint, should have positional testing to examine for BPPV., (© The Author(s) 2023. Published by Oxford University Press on behalf of the British Geriatrics Society. All rights reserved. For permissions, please email: journals.permissions@oup.com.)