دورية أكاديمية
The National Institute for Occupational Safety and Health (NIOSH) Recommended Weight Generates Different Spine Loads in Load-Handling Activity Performed Using Stoop, Semi-squat and Full-Squat Techniques; a Full-Body Musculoskeletal Model Study.
| العنوان: | The National Institute for Occupational Safety and Health (NIOSH) Recommended Weight Generates Different Spine Loads in Load-Handling Activity Performed Using Stoop, Semi-squat and Full-Squat Techniques; a Full-Body Musculoskeletal Model Study. |
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| المؤلفون: | Dehghan P; Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran., Arjmand N; Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran. |
| المصدر: | Human factors [Hum Factors] 2024 May; Vol. 66 (5), pp. 1387-1398. Date of Electronic Publication: 2022 Nov 26. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Human Factors and Ergonomics Society Country of Publication: United States NLM ID: 0374660 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1547-8181 (Electronic) Linking ISSN: 00187208 NLM ISO Abbreviation: Hum Factors Subsets: MEDLINE |
| أسماء مطبوعة: | Publication: Santa Monica, Ca : Human Factors and Ergonomics Society Original Publication: New York, N.Y. : Pergamon Press, 1958-4 |
| مواضيع طبية MeSH: | Lifting* , Occupational Health*, Male ; Adult ; Humans ; United States ; National Institute for Occupational Safety and Health, U.S. ; Spine ; Posture ; Biomechanical Phenomena |
| مستخلص: | Objective: Adequacy of the Revised NIOSH Lifting Equation (RNLE) in maintaining lumbosacral (L5-S1) loads below their recommended action limits in stoop, full-squat, and semi-squat load-handling activities was investigated using a full-body musculoskeletal model. Background: The NIOSH committee did not consider the lifting technique adapted by workers when estimating the recommended weight limit (RWL). It is currently unknown whether the lifting technique adapted by workers would affect the competence of the RNLE in keeping spine loads below their recommended limits. Method: A full-body subject-specific musculoskeletal model (Anybody Modeling System, AMS) driven by a 10-camera Vicon motion capture system (Vicon Motion Systems Inc., Oxford, UK) was used to simulate different static stoop, semi-squat, and full-squat load-handling activities of ten normal-weight volunteers (mean of ∼70 kg corresponding to the 15th percentile of adult American males) with the task-specific NIOSH RWL held in hands. Results: Two-way repeated measures ANOVA revealed a significant effect of lifting technique on both the L5-S1 compression ( p = 0.003) and shear ( p = 0.004) loads with semi-squat technique resulting in significantly larger loads than both stoop and full-squat techniques ( p < 0.05). While mean of L5-S1 loads remained smaller than their recommended limits, it is much expected that they pass these limits for heavier individuals, that is, for the 50th percentile of adult American males. Conclusion: Spinal loads are expected to pass their recommended limits for heavier individuals especially during semi-squat lifting as the most frequently adapted technique by workers. Application: Caution is required for the assessment of semi-squat lifting activities by the RNLE. |
| فهرسة مساهمة: | Keywords: NIOSH equation; lifting techniques; musculoskeletal model; spine loads; squat; stoop |
| تواريخ الأحداث: | Date Created: 20221126 Date Completed: 20240318 Latest Revision: 20240318 |
| رمز التحديث: | 20240318 |
| DOI: | 10.1177/00187208221141652 |
| PMID: | 36433743 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 1547-8181 |
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| DOI: | 10.1177/00187208221141652 |