MultiAgency, prospective, exploratory, non-intervention, cohort Study on Human Impact Exposure oNboard high-speed boats (MASHIEN): protocol

Ullman, J., Myers, S. D., Bretschneider, K.-T., Kelly, K. R.,, Daniel, Y., Hurpin, V., Kaehler, J., Kåsin, J. I., Hveding, K., Mansfield, N., Masouros, S. D., Perl, D., Wijnands, N., Stevens, V., Fraser, J. J., Rolfson, O. and Robinson, Y. (2025) MultiAgency, prospective, exploratory, non-intervention, cohort Study on Human Impact Exposure oNboard high-speed boats (MASHIEN): protocol. BMJ Open Sport & Exercise Medicine, 15 (5). pp. 1-8. ISSN 2055-7647

[thumbnail of Ullman J, Myers SD, Bretschneider K, et alMultiAgency, prospective, exploratory, non-intervention, cohort Study on Human Impact Exposure oNboard high-speed boats (MASHIEN): protocolBMJ Open 2025;15:e090993. doi: 10.1136/bmjopen-2024-090993]
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Abstract

Introduction: High-speed boat operations expose personnel to slamming-induced impacts, which can lead to musculoskeletal injuries and cognitive impairments. Despite existing safety measures, regulations and. protocols, the risk of injuries remains significant. The MultiAgency, prospective, exploratory, non-intervention, cohort Study on Human Impact Exposure oNboard high-speed boats study aims to investigate the nature and magnitude of these impacts, their acute and long-term health effects, and potential injury prevention strategies to improve operational safety and performance.
Methods and analysis: This is an ongoing multicentre, prospective, non-intervention, observational cohort study. The first participant was enrolled on 23 August 2024. High-speed boat operators log self-reported pain data via a smartphone app, using a Visual Analogue Scale and pain drawings. Triaxial accelerometers are installed on boat hulls and worn by participants to measure impact exposure. Data analysis assesses correlations between exposure and reported pain, enabling the identification of risk factors and the development of safety guidelines for high-speed boat operations.
Ethics and dissemination: The study has received ethical approval from the relevant ethics committees, including the Swedish Ethics Review Authority (no. 2022-04931-01). All participants will provide informed consent before enrolment. The findings will be disseminated through technical reports, articles in peer-reviewed journals, conference presentations and direct engagement with military and maritime stakeholders to enhance training protocols and safety measures.
Trial registration number: NCT05299736.

Publication Type: Articles
Additional Information: © Author(s) (or their employer(s)) 2025. Re-use permitted under CC BY. Published by BMJ Group.
Uncontrolled Keywords: impact forces, high-speed boat, chronic musculoskeletal disorder,
Subjects: Q Science > QP Physiology
U Military Science > U Military Science (General)
V Naval Science > V Naval Science (General)
V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering
Divisions: Academic Areas > Institute of Sport
Academic Areas > Institute of Sport > Research Theme > Occupational Performance
Research Entities > Centre for Health and Allied Sport and Exercise Science Research (CHASER)
Depositing User: Stephen Myers
Date Deposited: 06 May 2025 10:24
Last Modified: 06 May 2025 10:24
URI: https://eprints.chi.ac.uk/id/eprint/8089

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