Assessment of transmissibility of hand-arm vibration, noise exposure, and shift in hearing threshold among handicraft operatives’: a cross-sectional study

Singh, Ashish Kumar; Meena, M.L.; Chaudhary, Himanshu; Karmakar, Sougata

doi:10.1080/21681015.2020.1737841

Cited by 4 publications

(3 citation statements)

References 40 publications

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“…High-frequency vibration (>100 Hz) affects the hand and fingers while low-frequency vibration (<25 Hz) is predominantly perceived in the arms and shoulder. 19,20 The grass trimmer and blower examined in this study showed their dominant frequency in the higher range (i.e., 125 Hz being the highest acceleration peak for both tools), indicating that such tools could result in higher HAV disorders in the finger/hand region.…”

Section: Discussionmentioning

confidence: 72%

Evaluation of hand‐arm vibration (HAV) exposure levels among grounds maintenance workers: An observational human exposure measurement study

2022

Health Science Reports

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Long-term, excessive exposure to hand-arm vibration (HAV) through vibrating hand tools can induce hand-arm vibration syndrome (HAVS) which is a complex of peripheral vascular, neurological, and musculoskeletal disorders. 1 The development of HAVS depends on a variety of factors such as vibration magnitude, frequency, direction, exposure duration, posture, and contact force. 1 However, there are no standardized methods for HAV exposure assessment. Many studies traditionally have measured acceleration values directly from tools by mounting an accelerometer on the tool handle 2-6 while more recent studies have measured vibration magnitude at the handhandle interface using hand-held/hand-mounted adapters in which an accelerometer is attached to or inserted. 7,8 Most recently, vibration dosimeters integrated with hand adapters 9,10 are available which enable to obtain daily exposure dose while minimizing interference with job activities.Pneumatic tools such as rock drills, grinders, and riveters, and hammers are associated with HAVS. [11][12][13][14] Gasoline-powered grass trimmers, brush cutters, leaf blowers, and chainsaws utilized in many industries including agriculture, forestry, and grounds maintenance are also significant sources of HAV, putting the workers at risk of HAVS. 15 The U.S. Bureau of Labor Statistics (BLS) reported that there

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Section: Discussionmentioning

confidence: 72%

Evaluation of hand‐arm vibration (HAV) exposure levels among grounds maintenance workers: An observational human exposure measurement study

2022

Health Science Reports

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“…This is may be because ST group is mostly engage in manual labour or scavenging (71), and agricultural labour activities (72) which is associated with decline in cognitive ability (51). On the other hand, Muslim community in India are well known for their engagement in informal artisanal work such as weaving, carpentry, black-smithing, and Zari work which is related ergonomic condition leading to CHC (73)(74)(75)(76).…”

Section: Discussionmentioning

confidence: 99%

Informal Sector Employment and the Health Outcomes of Older Workers in India

Chowdhury

Mohanty

Singh

et al. 2022

Preprint

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A large proportion of the older population in India constitutes an undeniable share of workforce after the retirement age. This stresses the need to understand the implications of working at older ages on health outcomes. The main objective of this study is to examine the variations in health outcomes by formal/informal sector of employment of older workers using the Longitudinal Ageing Study in India. Using binary logistic regression models with interaction terms, the results of this study affirm that type of work does play a significant role in determining health outcomes even after controlling socio-economic, demographic, life-style behaviour, and work characteristics. The risk of Poor Cognitive Functioning (PCF) is high among informal workers, while formal workers suffer greatly from Chronic Health Conditions (CHC) and Functional Limitations (FL). The presence of CHC among informal workers is more damaging because it elevates their FL, whereas for formal workers presence of FL is unfavourable because it deteriorates their cognitive functioning. Therefore, present study underscores the relevance of policies focusing on providing health and healthcare benefits by respective economic activity and socio-economic position of older workers.

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“…The vibration transmissibility investigated forearm muscle activity and subjective grip dexterity using various gel-based compositions and designs [ 30 ]. The hand-arm vibration, noise exposure, and shift in hearing threshold were assessed for the prolonged use of handheld tools used in three different occupations [ 31 ].…”

Section: Introductionmentioning

confidence: 99%

Vibration Exposure and Transmissibility on Dentist’s Anatomy: A Study of Micro Motors and Air-Turbines

Banga

Goel²,

Kumar

et al. 2021

IJERPH

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The use of dental hand pieces endanger dentists to vibration exposure as they are subjected to very high amplitude and vibration frequency. This paper has envisaged a comparative analysis of vibration amplitudes and transmissibility during idling and drilling with micro motor (MM) and air-turbine (AT) hand pieces. The study aims to identify the mean difference in vibration amplitudes during idling, explore different grasp forces while drilling with irrigant injection by the dentist, and various vibration transmission of these hand pieces. The study utilized 22 separate frequency resonances on two new and eight used MMs and two new and eight used ATs of different brands by observing the investigator at 16 different dentist clinics. The study adopted a descriptive research design with non–probability sampling techniques for selecting dentists and hand pieces. Statistical methods like Levene Test of Homogeneity, Welch ANOVA, independent t-test, and Games–Howell test were utilized with SPSS version 22 and MS-Excel. The results reveal that vibration amplitudes and vibration transmissibility when measured at position 2 are higher than in another position 1. Vibrations during idling for used MMs are more than AT hand pieces, and the used MM (MUD) and used AT (AUA) hand pieces differ due to their obsolescence and over-usage. Vibration amplitudes increase every time with the tightening of grasping of the hand piece. Vibration amplitudes for each grasping style of MM hand piece differ from all other grasping styles of AT hand pieces. Routine exposure to consistent vibrations has ill physical, mental, and psychological effects on dentists. The used hand pieces more hazardous as compared to newer ones. The study suggests that these hand pieces must be replaced periodically, sufficient to break between two operations, especially after every hand piece usage. Hence, the present research work can be further extended by creating some control groups among dentists and then studying the vibration amplitude exposure of various dental hand pieces and subsequent transmissibility to their body parts.

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Assessment of transmissibility of hand-arm vibration, noise exposure, and shift in hearing threshold among handicraft operatives’: a cross-sectional study

Cited by 4 publications

References 40 publications

Evaluation of hand‐arm vibration (HAV) exposure levels among grounds maintenance workers: An observational human exposure measurement study

Evaluation of hand‐arm vibration (HAV) exposure levels among grounds maintenance workers: An observational human exposure measurement study

Informal Sector Employment and the Health Outcomes of Older Workers in India

Vibration Exposure and Transmissibility on Dentist’s Anatomy: A Study of Micro Motors and Air-Turbines

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