BACKGROUND: The Orquesta Buena Vista Social Club is a world-renowned group of Cuban musicians accomplished in a variety of musical styles. The musicians of the Orquesta Buena Vista Social Club and supporting musicians of their orchestras represent a cohort of musicians throughout Cuba who continue to play traditional genres and perform into their older ages. PURPOSE: The purpose of the study was to (1) identify musculoskeletal conditions that occurred over the previous 12 months among the members of the Orquesta and supporting musicians and (2) to discover if these conditions, in part, were caused by or in some way affected musical performance. METHODS: The study was a convenience sample of musicians within the Orquesta Buena Vista Social Club and supporting musical groups. Thirty-six musicians completed a self-administered survey. RESULTS: Sixty-seven percent (24/36) of the total sample of musicians and 89% (16/18) of those over age 60 years had at least one musculoskeletal condition over the previous 12 months. Forty-four percent (16/36) of the total sample of musicians and 61% (11/18) of those older than 60 years of age reported that a musculoskeletal complaint was either, in part, caused by or affected their performance. CONCLUSION: Musculoskeletal conditions were prevalent among the Cuban musicians, especially in those over 60 years of age. Collaboration of medical professionals, managers, and musicians may help to generate ideas on how to prevent injuries as well as to evaluate what treatments for playing-related conditions, including both conventional and complementary and alternative therapies, are most effective.

The relation between lead in air (PbA) and lead in blood (PbB), concentrations was investigated among 44 workers in five major operations in a United States high volume, lead acid battery plant. The study covered a 30 month period in which workers received frequent PbA and PbB determinations, workers remained in a single job, and PbA concentrations averaged below the US Occupational Safety and Health Administration (OSHA) permissible exposure limit of 50 pglm'. In both univariate and multivariable linear regressions, longitudinal analyses averaging PbA concentrations over the 30 month study period appeared superior to cross sectional analyses using only six month PbA averages to model PbB concentrations. The covariate adjusted coefficient (a value) for PbA ( p/m3) in models of PbB ( ug/100 g) was 114. This figure is strikingly higher than that reported in previous studies in the lead acid battery industry in all of which PbA concentrations were substantially higher than in the current study. Plausible explanations for the differences in a values include non-linearity of the PbA-PbB curve, a higher fraction of large size particulate associated with higher PbA concentrations, survivor bias among workers exposed to higher PbA concentrations, and the cross sectional designs of most previous studies. Despite previously reported problems with the model used by OSHA to predict PbA-PbB relations, the findings of this study are in good agreement with the predictions of that model.

Treatment providers have a history of involvement with segments of the performing arts. The occupational health approach to workplace health issues can effectively complement these efforts. Sources of further information on performing arts health concerns are available.

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