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Pubmed for Handhelds

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  • Title: Preliminary Feasibility and Acceptability Examination of Using a Novel Ergonomic Chinrest with a Low Shoulder Rest by a Viola Player: A Case Report.
    Author: Mann S, Nygaard Andersen L, Paarup HM.
    Journal: Med Probl Perform Art; 2024 Mar; 39(1):49-54. PubMed ID: 38413830.
    Abstract:
    BACKGROUND: High-string players, such as violinists and violists, are prone to neck problems. One factor can be their body posture, with often a rotated and flexed neck position with the jaw placed on a flat chinrest. The Kréddle chinrest (EC) was specifically designed to promote a more neutral neck position and prevent musculoskeletal problems among high-string players. This case report aims to evaluate the preliminary feasibility and acceptability of using the EC, with a low shoulder rest, in a pain-free professional high-string player. A secondary aim was to register newly developed pain and fatigue. METHODS: A 32-year-old professional viola player was instructed to use the EC for most of her playing time during a 6-week trial period. Outcome measures such as compliance (% of use out of total playing time over the last 7 days), performance, comfort and acceptability were assessed at baseline and at the end of each trial week. The Rapid Upper Limb Assessment (RULA) tool was used to evaluate the body posture at baseline when using the EC versus her own chinrest and shoulder rest. RESULTS: The initial trial period was interrupted after 2 days due to pain. A second 6-week period was completed. While compliance was high and there was positive feedback on how the EC affected her performance and comfort while holding the instrument, the case report identified a challenge with the complex instruction material, which made it difficult to install and adjust the product. The viola player was positive towards using EC in the end despite pain and fatigue during the trial period. CONCLUSION: This case report examined a professional viola player's 6-week experience with an EC. While positive outcomes were observed in posture, performance, and product acceptance, issues with complex instructions were noted. This study marks the first exploration of individual challenges with EC use.
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