Redesign and ergonomic assessment of a chest-support baby walker.
BACKGROUND: Parents often use baby walkers (BWs) as assistive devices to improve their infants' independent movement and motor skill acquisition. However, the literature suggests that conventional baby walkers (CBW) may cause delays in an infant's ability to walk independently and musculoskeletal bu...
| Publicado en: | Work Vol. 76; no. 2; pp. 737 - 748 |
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| Autores principales: | , , , , , |
| Formato: | pictorial research tables/charts Journal Article |
| Publicado: |
Sage Publications Inc.
2023
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=173163323&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 173163323 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 10519815 3RC jtl: Work issn: 10519815 maglogo: N pubinfo: dt: 2023 vid: 76 iid: 2 pid: 344 pub: Sage Publications Inc. place: Thousand Oaks, California artinfo: ui: 173163323 163068416 173163323 173163323 10.3233/WOR-220440 173163323 ppf: 737 ppct: 11 formats: fmt: – @attributes: type: T – @attributes: type: P tig: atl: Redesign and ergonomic assessment of a chest-support baby walker. aug: au: Golmohammadpour, Hamedeh Garosi, Ehsan Taheri, Mostafa Dehghan, Naser Ezbarami, Sahebeh Mirzaei Karanikas, Nektarios affil: Department of Industrial and System Engineering, The State University of New York at Buffalo, Getzville, NY, USA sug: subj: Ergonomics Walkers Equipment Design Walking Evaluation Human Male Female Anthropometry Infant Iran Mothers Adult Descriptive Statistics Repeated Measures Wilcoxon Signed Rank Test Data Analysis Software Infant: 1-23 months Adult: 19-44 years Male Female ab: BACKGROUND: Parents often use baby walkers (BWs) as assistive devices to improve their infants' independent movement and motor skill acquisition. However, the literature suggests that conventional baby walkers (CBW) may cause delays in an infant's ability to walk independently and musculoskeletal burden on parents. OBJECTIVE: In the current study, a baby walker (RBW) with chest support was redesigned and ergonomically assessed during an infant-walking task. METHODS: The anthropometric dimensions of 90 infants aged 7–11 months were measured in the city of Urmia, northwestern Iran. Following redesigning based on the results from expert panel meetings and prototyping of the RBW, 18 mothers (age: 28.33±4.27 and height: 163.75±5.32 and weight: 59.45±5.99) with their infants (9 boys and 9 girls) performed a simulated infant walking task in two experimental sessions using the CBW and RBW over a repeated measurements design. The infants' feet track patterns, including the number of steps and step distances were assessed via the image analysis of the footprints. The mothers' body posture and lower back spinal load were evaluated using Rapid Upper Limb Assessment (RULA) technique and 3D Static Strength Prediction Program (3DSSPP), respectively. RESULTS: Wilcoxon signed-rank tests showed infants walked more steps with the RBW (p = 0.002). Similarly, the distance between the infants' left heel strike (p = 0.008) and their right and left toe-off (p = 0.03 and 0.02 respectively) was also significantly lower in the RBW use. Additionally, the body posture of mothers was improved (RULA final score from 7 for CBW to 5 for RBW). Moreover, lower back compression and shear forces were reduced significantly (p = 0.002) by the RBW use. CONCLUSION: According to the feet track pattern, infants took more balanced steps when the RBW was used. In addition, mothers were subjected to less pressure on the lumbar region when they placed and lifted their infant from the RBW. However, further work is necessary to investigate potential long-term effects of the RBWs use. pubtype: Academic Journal doctype: pictorial research tables/charts Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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