Measuring Sitting Posture in High School Students Using Photographs
Author Information
Author(s): van Niekerk Sjan-Mari, Louw Quinette, Vaughan Christopher, Grimmer-Somers Karen, Schreve Kristiaan
Primary Institution: Stellenbosch University
Hypothesis
Can photographs provide a valid measure of adolescent sitting posture compared to radiographic measures?
Conclusion
Photographs can be used as valid and reliable indicators of the position of the underlying spine in sitting.
Supporting Evidence
- Photographs showed moderate to good correlation with radiographic measures for most angles.
- Reliability study indicated that repeated photographs provided consistent results.
- Photographic Posture Analysis Method (PPAM) is non-invasive and cost-effective.
Takeaway
This study shows that taking pictures of how students sit can help us understand their spine's position, which is important for their health.
Methodology
The study used photographs and radiographs to measure sitting posture in 39 adolescents, comparing the angles from both methods.
Limitations
The height and weight of students were not measured, and the manual placement of markers was not tested for reliability.
Participant Demographics
Participants were healthy adolescents aged 15 or 16 years, with 19 males and 20 females.
Digital Object Identifier (DOI)
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