Seating Type and Cognitive Performance After 3 Hours Travel by High-Speed Boat in Sea States 2-3

McMorris, Terry; Myers, Stephen D.; Dobbins, T; Hall, Benjamin; Dyson, Rosemary

doi:10.3357/asem.2405.2009

Cited by 11 publications

(8 citation statements)

References 5 publications

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“…28 There could also have been more vibration aboard FPBs than on other vessels. 29 An increased risk of low birth weight and SGA was found among the offspring of servicemen with non-acute service aboard vessels compared to land-based service. This seems to be related to service aboard vessels and not to RF exposure, since there was no further increased risk in the subgroup who had served aboard FPBs.…”

Section: Discussionmentioning

confidence: 94%

Pregnancy Outcomes After Paternal Radiofrequency Field Exposure Aboard Fast Patrol Boats

Baste¹,

Moen²,

Oftedal³

et al. 2012

Journal of Occupational &Amp; Environmental Medicine

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Section: Discussionmentioning

confidence: 94%

Pregnancy Outcomes After Paternal Radiofrequency Field Exposure Aboard Fast Patrol Boats

Baste¹,

Moen²,

Oftedal³

et al. 2012

Journal of Occupational &Amp; Environmental Medicine

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“…Nevertheless, the high-speed planing craft occupants, a minor part of the HPMC occupants are often accentuated believing that these multifactorial interactions negatively affect their psychophysical health and performance. [6][7][8][9][10][11][12][13] However, concerning the entire population of HPMC occupants, scientific evidence for this is absent and the association of exposure conditions aboard HPMC with adverse health and performance effects of the occupants is unknown.…”

Section: Introductionmentioning

confidence: 99%

Exposure aboard high-performance marine craft increases musculoskeletal pain and lowers contemporary work capacity of the occupants

Alwis

LoMartire

Äng

et al. 2020

Proceedings of the Institution of Mechanical Engineers, Part M:

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High-Performance Marine Craft (HPMC) occupants are currently being investigated for various psychophysical impairments degrading work performance postulating that these deteriorations are related to their occupational exposures. However, scientific evidence for this is lacking and the association of exposure conditions aboard HPMC with adverse health and performance effects is unknown. Therefore, the study estimates the prevalence of musculoskeletal pain (MSP) among HPMC occupants and the association of their work exposure with MSP and performance degradation. It also presents a criterion for evaluating the self-reported exposure severity aboard three different types of mono-hull HPMC; displacement, semi-displacement and planing, on a par with the available standard criteria for objectively measurable exposures. Furthermore, another criterion is proposed to assess the performance-degradation of HPMC occupants based on self-reported fatigue symptoms and MSP. Swedish Coast Guard HPMC occupants were surveyed for MSP, fatigue symptoms as well as for work-related and individual risk indicators using a validated web-based questionnaire. Prevalence of MSP and performance-degradation during the past 12 months were assessed and presented as a percentage of the sample. Associations of exposure conditions aboard HPMC with MSP and performance-capacity were systematically evaluated using multiple logistic regression models and expressed as odds ratio (OR). Prevalence of MSP was 72% among which lower back pain was the most prevalent (46%) followed by neck pain (29%) and shoulder pain (23%) while 29% with degraded performance. Exposure to severe conditions aboard semi-displacement craft was associated with lower back (OR = 2.3) and shoulder (OR = 2.6) pain while severe conditions aboard planing craft with neck pain (OR = 2.3) and performance-degradation (OR = 2.6). MSP is common among Swedish coast guards. Severe exposure conditions aboard HPMC are significantly associated with both MSP and performance-degradation. The spine and shoulders are the most susceptible to work-related MSP among HPMC occupants which should be targeted in work-related preventive and corrective measures.

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“…The High-Performance Marine Craft (HPMC) occupants are at an increased risk of adverse health and impaired performance, [1][2][3][4][5][6] a reason for which, among other things, is believed to be the exposure to work environments containing random and transient vibrations. [7][8][9][10][11][12] Exposure to work environments containing mechanical vibration has been identified as a factor negatively affecting human health and performance. [13][14][15][16][17][18][19] The marine personnel have been exempted from the legislated occupational vibration exposure limits due to the fact that given the current state of the art it is not possible to comply, in all circumstances, with those levels.…”

Section: Introductionmentioning

confidence: 99%

“…The High-Performance Marine Craft (HPMC) occupants are at an increased risk of adverse health and impaired performance, 1–6 a reason for which, among other things, is believed to be the exposure to work environments containing random and transient vibrations. 7–12…”

Section: Introductionmentioning

confidence: 99%

Effect of occupational exposure to shock and vibration on health in high-performance marine craft occupants

Alwis

Garme

2020

Proceedings of the Institution of Mechanical Engineers, Part M:

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Working conditions of High-performance Marine Craft (HPMC) occupants are inherent with shock and vibration. Therefore, HPMC occupants are usually investigated believing that their psychophysical health and performance are negatively affected by exposure to these conditions. However, the association between the regular occupational vibration exposures of HPMC occupants and the deterioration of their health and performance is disputable. Therefore, a sample of HPMC occupants are investigated in a prospective cohort study by measuring perceived work exposure, health and performance via validated web-based questionnaires and physical work exposure as vibration using measurement systems installed onboard their craft. Incidence of musculoskeletal pain (MSP) during four operational seasons is determined and presented as incidence proportion (IP). Association between accumulated vibration exposure aboard HPMC and incidence of MSP is systematically assessed using multiple logistic regression models and expressed as odds ratio (OR). Moreover, the correlation between objectively and subjectively measured vibration exposures is determined using the Spearman’s rank correlation coefficient ( rs). Incidence proportion of neck pain was 63.4% and that of lower back pain ranged from 12.5% to 87.5% over the four seasons. The accumulated vibration exposure was strongly associated with the incidence of MSP primarily with lower back pain. However, the association was not statistically significant. The objective and subjective vibration exposures of the craft drivers showed a statistically significant positive monotonic correlation. The study suggests that occupational exposure to shock and vibration aboard HPMC is a factor increasing the incidence of MSP. The HPMC occupants regularly experience attrition in their performance. The perceived vibration exposure of the drivers can be used to rank the exposure severity aboard HPMC in the absence of objective measurements. The current vibration exposure assessment methods are also recommended to be revised accounting for shock and vibration inherent in HPMC exposures.

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Seating Type and Cognitive Performance After 3 Hours Travel by High-Speed Boat in Sea States 2-3

Abstract: Results show that the use of suspension seats during transit in high-speed marine craft may be advantageous with regard to cognitive performance.

Cited by 11 publications

References 5 publications

Pregnancy Outcomes After Paternal Radiofrequency Field Exposure Aboard Fast Patrol Boats

Pregnancy Outcomes After Paternal Radiofrequency Field Exposure Aboard Fast Patrol Boats

Exposure aboard high-performance marine craft increases musculoskeletal pain and lowers contemporary work capacity of the occupants

Effect of occupational exposure to shock and vibration on health in high-performance marine craft occupants

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