Evidence map›Paper›PMID 33604266›Full record

ArticleAfrican journal of disability2021

Altered cervical posture kinematics imposed by heavy school backpack loading: A literature synopsis (2009-2019).

Terry J Ellapen, Yvonne Paul, Henriëtte V Hammill, Mariëtte Swanepoel

Abstract read
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Article in African journal of disability, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

4 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Terry J EllapenDepartment of Sport and Dental Therapy, Tshwane University of Technology, Tshwane, South Africa.ORCID https://orcid.org/0000-0002-6828-4084
Yvonne PaulDepartment of Sport, Rehabilitation and Dental Therapy, Health Science, Tshwane University of Technology, Tshwane, South Africa.ORCID https://orcid.org/0000-0002-7737-2713
Henriëtte V HammillSchool of Human Movement Science, Faculty of Health Science, North-West University, Potchefstroom, South Africa.ORCID https://orcid.org/0000-0003-3979-8972
Mariëtte SwanepoelSchool of Human Movement Science, Faculty of Health Science, North-West University, Potchefstroom, South Africa.ORCID https://orcid.org/0000-0002-4038-9466

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundHabitual school backpack carriage causes neuro-musculoskeletal vertebral, shoulder and hand pain; deviated posture compromised cardiopulmonary function and proprioception.

objectivePresent a novel literature summary of the influence of backpack carriage associated with deviated cervical posture and compromised pulmonary function.

methodAn electronic literature appraisal adopting the Preferred Reporting Items for Systematic Reviews, using Google Scholar, Science Direct, EMBASE, AMED, OVID, PubMed and Sabinet search engines, was instituted during 2009-2019. Key search words: schoolbag, backpack, carriage, cervical posture and children. The quality of the studies was assessed using the Downs and Black Appraisal Scale.

results583 records were initially identified which was reduced to 14 experimental and observational studies. A total of 1061 participants were included across the 14 studies, with an average age of 11.5 ± 1.3 years, body mass of 37.8 ± 6.6 kilograms (kg), height of 1.41 ± 0.05 meters (m), backpack mass of 5.2 ± 0.9 kg and percentage backpack mass to child's body mass of 13.75%. The studies mean rating according to the Downs and Black Appraisal Scale was 76.3%. The average craniovertebral angle (CVA) was 53.9° ± 14.6° whilst standing without carrying a backpack was reduced to 50.4° ± 16.4° when loaded (

conclusionBackpack carriage alters cervical posture, resulting in smaller CVA and compromised pulmonary function. There is no consensus of the precise backpack mass that initiates postural changes. Girls' posture begin changes when carrying lighter backpacks as compared to boys of the same age strata.

Indexed as

cervical posturecompromised cardiopulmonary functionneuro-musculoskeletalproprioceptionschool backpack carriagevertebral

Identifiers

PMID33604266
PMCPMC7876943

What Socratic holds

Textmetadata
LicenceCC BY
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.