The Effects of Industrial Protective Gloves and Hand Skin Temperatures on Hand Grip Strength and Discomfort Rating

Ramadan, Mohamed Z.

doi:10.3390/ijerph14121506

Cited by 19 publications

(22 citation statements)

References 67 publications

(74 reference statements)

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“…The statistical analysis showed that there is a significant effect for the age group on the grip strength (F = 7.36, p < 0.001). The post hoc analysis shows that the (60-70) age group is the only group significantly weaker than (18-29), (30)(31)(32)(33)(34)(35)(36)(37)(38)(39), (40)(41)(42)(43)(44)(45)(46)(47)(48)(49), and (50-59) age groups.…”

Section: For Malementioning

confidence: 90%

Normative Static Grip Strength of Saudi Arabia’s Population and Influences of Numerous Factors on Grip Strength

2021

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Most daily tasks require exerting static grip strength which can be challenging for the elderly as their strength diminishes with age. Moreover, normative static grip strength data are important in ergonomics and clinical settings. The goal of this study is to present the gender, age-specific, hand-specific, and body-mass-index-specific handgrip strength reference of Saudi males and females in order to describe the population’s occupational demand and to compare them with the international standards. The secondary objective is to investigate the effects of gender, age group, hand area, and body mass index on the grip strength. A sample of 297 (146 male and 151 female) volunteers aged between 18 and 70 with different occupations participated in the study. Grip strength data were collected using a Jamar dynamometer with standard test position, protocol, and instructions. The mean maximum voluntary grip strength values for males were 38.71 kg and 22.01 kg, respectively. There was a curvilinear relationship of grip strength to age; significant differences between genders, hand area, and some age groups; and a correlation to hand dimensions depending on the gender.

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Section: For Malementioning

confidence: 90%

Normative Static Grip Strength of Saudi Arabia’s Population and Influences of Numerous Factors on Grip Strength

2021

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“…Work gloves are used for the protection of hands from potential physical, chemical, and biological hazards [6][7][8][9][10][11][12]. Typical physical hazards of hand exposure at work include cuts and stabs [13], vibrations of tools and machines [14][15][16][17], load and pressure [18][19][20], high and low temperature [11,[21][22][23], and so on. Typical chemical and biological hazards, on the other hand, include hazardous substances (such as pesticides and acids) and organisms such as insects, germs, and even viruses [9,12].…”

Section: Introductionmentioning

confidence: 99%

“…The literature has also found that increasing glove thickness could decrease grip strength in addition to decreasing hand dexterity [27,35,36]. The range of grip strength reduction varies, depending on factors such as the number of layers and fitness of the gloves [15,24,30,33,37,38]. Even though the effects of gloves on grip strength have been reported, further investigations are required to examine how those effects are affected by handedness and the grip span of the handle.…”

Section: Introductionmentioning

confidence: 99%

Assessments of Work Gloves in Terms of the Strengths of Hand Grip, One-Handed Carrying, and Leg Lifting

Zhao

2021

Applied Sciences

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Gloves are used at workplaces to protect hands and fingers from potential hazards. Three types of work gloves were assessed in terms of the strength of grip, carrying, and lifting. Thirty adults (14 males and 16 females) joined as human participants. The strength data were measured under bare hand and three gloved conditions. The grip spans in the grip strength measurements included 45 mm, 55 mm, 65 mm, and 75 mm. The carrying strength was measured for both dominant and non-dominant hands under leg straight and semi-squat postural conditions. The lifting strength was measured at a semi-squat posture. The results showed that glove (p < 0.0001), grip span (p = 0.001), gender (p < 0.0001), and handedness (p < 0.0001) all affected grip strength significantly. Wearing the gloves tested in this study led to a decrease of grip strength up to 22.9%, on average, depending on gender, grip span, and hand tested. Wearing the cotton gloves led to a decrease of one-handed carrying strength ranged from 3.5% to 9.7% for female participants. All the participants took advantages in carrying strength when wearing the cut-resistant gloves. The leg lifting strength data indicated that the effects of the gloves were insignificant. The information of this study is beneficial for practitioners in the design of manual materials handling tasks concerning the use of work gloves.

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“…Industrial assemblers, machinists, medical doctors, farmers, and construction workers use gloves in different workplaces to protect their arms and hands from chemicals, heat, cold, and physical harm such as cuts, blisters, and other fatal injuries [6] [7] [8]. However, the use of gloves affects various aspects of hand performance.…”

Section: Effect Of Gloves On Hand Performancementioning

confidence: 99%

“…The effect of glove use on hand performance has been investigated in previous studies. Schoenmarklin and Sudhakar [8] concluded that a certain amount of muscle force was lost while performing activities wearing gloves based on the measurement of normalized peak and mean muscular activities taken from isometric contractions.…”

Section: Effect Of Gloves On Hand Performancementioning

confidence: 99%

Evaluation of Fitts’ Throughput as a Possible Performance Measure for Manual Assembly Tasks

Jagadish¹

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Assembly lines are the backbone of the manufacturing sector. Workers at the assembly lines are expected to perform fast pace hand-arm exertions with precision and accuracy. To protect the workers from injuries, OSHA mandates the use of personal protective equipment (PPE) including gloves. Certain assembly operations require the use of special gloves. Some of these gloves can inhibit hand performance, further increasing the task difficulty. The Index of Difficulty (ID) is a metric measured in 'bits' quantifies task difficulty through the quotient of target width and target motion, i.e., distance travelled. The time required to complete the target motion is the Movement time (MT). The ratio of ID and MT was defined by Fitts as 'throughput' and is measured in bits/s. This study aims to evaluate Fitts' throughput as a possible performance measure for gloves used in the manual assembly tasks. An experimental study was performed using fifteen healthy participants with three types of gloves which were evaluated using two tests, Fitts' throughput test and a hand tool dexterity test (HTDT). The Fitts' throughput test was designed using ISO 9241-411 standard and involved a series of target transfer tasks with varying ID levels. In the HTDT test, participants performed a simulated assembly task with different glove conditions. Statistical analysis revealed that the effect of glove condition was significant for both throughput and assembly time. The mean throughput of 3.91 bits/s for bare hand was higher compared to the three glove conditions. Among the three glove conditions, Glove 2 was found to have a higher throughput of 3.72 bits/s followed by Glove 1 with 3.51 bits/s, and Glove 3 with 3.47 bits/s. The mean assembly times for Gloves 2, 1, 3 were 462.52 sec, 501.88 sec and 558.48 sec, respectively.In general, an inverse relationship between throughput and assembly time was observed, indicating that a glove with higher throughput produces lower assembly time. Thus, the study findings seem to indicate that Fitts' throughput can serve as a possible performance measure for manual assembly tasks.iii DEDICATIONTo my beloved family, Jagadish, Nalini, Prajwal and my grandparents for their endless compassion, support and guidance.

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The Effects of Industrial Protective Gloves and Hand Skin Temperatures on Hand Grip Strength and Discomfort Rating

Cited by 19 publications

References 67 publications

Normative Static Grip Strength of Saudi Arabia’s Population and Influences of Numerous Factors on Grip Strength

Normative Static Grip Strength of Saudi Arabia’s Population and Influences of Numerous Factors on Grip Strength

Assessments of Work Gloves in Terms of the Strengths of Hand Grip, One-Handed Carrying, and Leg Lifting

Evaluation of Fitts’ Throughput as a Possible Performance Measure for Manual Assembly Tasks

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