Physiological effects of back belt wearing during asymmetric lifting

Bobick, Thomas G.; Belard, Jean-Louis; Hsiao, Hongwei; Wassell, James T.

doi:10.1016/s0003-6870(01)00041-2

Cited by 9 publications

(6 citation statements)

References 14 publications

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“…Moreover, the reduction of 4.6 kg additional weight of the SCBA was not enough to make a significant reduction on the metabolic rate (Test A was not statistically different with Test B). On other hands, the use of wide hip strap for the new design on Test C have a potential benefit in order to have a reduction in metabolic rate (Test C was lower than Test B but not differed significantly), as Bobick et al (2001) found a significant decrease in _ VO 2 during the lifting of a box weighing nearly 10 kg when a back belt was worn across the hip. Then, the most interesting point found in this research, however, was the fact that the combined effect of light weight SCBA and new harness design can have a potential benefit in order to have a significant reduction in oxygen consumption of the SCBA user since metabolic rate in Test C was significantly lower than that in Test A in a T a of 328C.…”

Section: Discussionmentioning

confidence: 99%

Effects of firefighters' self-contained breathing apparatus' weight and its harness design on the physiological and subjective responses

et al. 2012

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Section: Discussionmentioning

confidence: 99%

Effects of firefighters' self-contained breathing apparatus' weight and its harness design on the physiological and subjective responses

et al. 2012

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“…Further, in a systematic review carried out by Ammendolia et al (2005) looking at occupational LBP and back belts, it was concluded that there is no conclusive evidence to support back-belt use to prevent or reduce lost time from occupational LBP. It has also been shown that back-belt use can increase intraabdominal pressure, blood pressure, heart rate, and oxygen consumption (Bobick et al, 2001;Rafacz & McGill, 1996). Moreover, back belts may provide individuals with a false sense of security (Pan et al, 1999).…”

Section: Materials Handling Devices (Mhds)mentioning

confidence: 99%

Effectiveness of an on-body lifting aid at reducing low back physical demands during an automotive assembly task: Assessment of EMG response and user acceptability

2009

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The purpose of this study was to investigate the effectiveness and user acceptability of a Personal Lift-Assist Device (PLAD) at an automotive manufacturing facility, with operators who perform an on-line assembly process requiring forward bending and static holding. Surface EMG data were collected at six sites on the low back and abdomen, and an accelerometer was used to measure trunk inclination. Use of the PLAD significantly reduced the thoracic and lumbar erector spinae activity and EMG-predicted compression at the 10th, 50th, and 90th APDF percentile levels (p < or = 0.05), without significantly increasing rectus abdominus activity or trunk flexion. Similarly, ratings of perceived exertion were found to be significantly lower when wearing the PLAD (p = 0.006). Subjective opinions were positive, with 8/10 subjects indicating they would wear the device everyday. With slight changes, workers felt that the PLAD could be beneficial at reducing forces and discomfort in similar industrial or manual materials handling tasks that place excessive physical demands on the low back.

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“…However, other studies show that intrabdominal pressure does not play a significant role in relieving intradiscal pressure or tension in back extensors (Gracovetsky, Farfan, & Lamy, 1981;Gilbertons, Krag, & Pope 1983;Legg, 1981;Marras, King & Joynt, 1984;McGill & Norman, 1986;Pope et al, 1991), nor is there a relationship between intrabdominal pressure and abdominal musculature (Hemborg & Moritz, 1985;Marras et al, 1993). Two laboratory tests were conducted and findings indicated that with back belt use, there was a significant reduction in average oxygen consumption, but no effect on blood pressure, heart rate or rate of breathing (Bobick, Beland, Hsiao, & Wassell, 2001). Another study found that there was no association between the use of back belts and reduced Although in the 1990s back belts were used to prevent workrelated injuries...there is no evidence these belts are helpful.…”

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confidence: 99%

Evidence-Based Practices for Safe Patient Handling and Movement

Nelson

Baptiste

2006

BMM

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Efforts to reduce injuries associated with patient handling are often based on tradition and personal experience rather than scientific evidence. The purpose of this article is to summarize current evidence for interventions designed to reduce caregiver injuries, a significant problem for decades. Despite strong evidence, published over three decades, the most commonly used strategies have strong evidence that demonstrate they are ineffective. There is a growing body of evidence to support newer interventions that are effective or show promise in reducing musculoskeletal pain and injuries in care providers. The authors have organized potential solutions into three established ergonomic solution types: engineering based, administrative, and behavioral. For each intervention, the level of evidence to support its use is provided.Key words: work-related musculoskeletal injuries, patient handling, no lift policy, ergonomics, lifting techniques, nurse safety Strategies to prevent or minimize work-related musculoskeletal injuries associated with patient handling are often based on tradition and personal experience rather than scientific evidence. The most common patient handling approaches in the United States include manual patient lifting, classes in body mechanics, training in safe lifting techniques, and back belts. Surprisingly there is strong evidence that each of these commonly used approaches is not effective in reducing caregiver injuries. A major paradigm shift is needed away from these ineffective approaches towards the following evidence-based practices: (a) patient handling equipment/devices, (b) patient care ergonomic assessment protocols, (c) no lift policies, (d) training on proper use of patient handling equipment/devices, and (e) patient lift teams. Promising new interventions, which are still being tested, include use of unit-based peer leaders and clinical tools, such as algorithms and patient assessment protocols. Given the complexity of this high-risk, high volume, highcost problem, multifaceted programs are more likely to be effective than any single intervention. This new call for action includes systematic change in health care facilities across the continuum of care as well as a new curriculum for schools of nursing. Statement of the ProblemNursing personnel are consistently listed as one of the top ten occupations for work-related musculoskeletal disorders, with incidence rates of 8.8 per 100 in hospital settings and 13.5 per 100 in nursing home settings (Bureau of Labor Statistics, 2002). These are considered to be low estimates, since underreporting of injuries in nursing is common (U.S. Department of Health & Human Services, 1999). Aggregated data on prevalence of back injury, compiled from over 80 studies, revealed an international worldwide point prevalence of approximately 17%, an annual prevalence of 40-50% and a lifetime prevalence of 35-80% (Hignett, 1996). While there has been a steady decline in the rates of most occupational injuries starting in 1992, work-related musculos...

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Physiological effects of back belt wearing during asymmetric lifting

Cited by 9 publications

References 14 publications

Effects of firefighters' self-contained breathing apparatus' weight and its harness design on the physiological and subjective responses

Effects of firefighters' self-contained breathing apparatus' weight and its harness design on the physiological and subjective responses

Effectiveness of an on-body lifting aid at reducing low back physical demands during an automotive assembly task: Assessment of EMG response and user acceptability

Evidence-Based Practices for Safe Patient Handling and Movement

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