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Student Original Articles

Prevalence of hamstring tightness and associated factors among sewing machine operators

Authors:

Game Kankanamage Kanishka ,

General Sir John Kotelawala Defence University, LK
About Game Kankanamage
Faculty of Allied Health Sciences
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Hansika Sandamali,

General Sir John Kotelawala Defence University, LK
About Hansika
Faculty of Allied Health Sciences
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Isuru Weerasinghe,

General Sir John Kotelawala Defence University, LK
About Isuru
Faculty of Allied Health Sciences
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Lakmali Binduhewa,

General Sir John Kotelawala Defence University, LK
About Lakmali
Faculty of Allied Health Sciences
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Chathurangi Dilshara,

General Sir John Kotelawala Defence University, LK
About Chathurangi
Faculty of Allied Health Sciences
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Chandodini De Silva,

General Sir John Kotelawala Defence University, LK
About Chandodini
Faculty of Allied Health Sciences
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Denika Silva,

General Sir John Kotelawala Defence University, LK
About Denika
Faculty of Allied Health Sciences
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Aindralal Balasuriya

General Sir John Kotelawala Defence University, LK
About Aindralal
Faculty of Medicine
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Abstract

Background:

Hamstring is a key component of flexibility in the human body and it is more prone to get tightened. Inability to achieve greater than 160 degrees of knee extension when the hip is flexed to 90 degrees is considered as hamstring tightness.

 

Objectives:

This study aims to find the prevalence of hamstring tightness among sewing machine operators and to assess the association of hamstring tightness with prolonged sitting, body mass index, physical activity level and gender.

 

Method:

A descriptive cross sectional study was carried out among 169 sewing machine operators aged between 18-60 years of a selected garment factory. Passive knee extension (PKE) test was used to measure the hamstring tightness among sewing machine operators. A validated interviewer administered questionnaire was used to determine the physical activity level among the participants.

 

Results:

Prevalence of hamstring tightness among sewing machine operators is 83.4% (n=141) and it is higher in males (91.8%) than females (78.7%). There was a significant association between prolonged sitting and hamstring tightness in the dominant limb (p=0.02, chi square = 7.79). Significant associations were not found between hamstring tightness with the BMI level (p=0.46, r=-0.05) and physical activity (p=0.41, r=-0.06).

 

Conclusion:

Majority of the sewing machine operators have hamstring tightness. Prolonged sitting is a contributory factor in hamstring muscle tightness.

How to Cite: Kanishka, G.K., Sandamali, H., Weerasinghe, I., Binduhewa, L., Dilshara, C., De Silva, C., Silva, D. and Balasuriya, A., 2019. Prevalence of hamstring tightness and associated factors among sewing machine operators. Ceylon Journal of Medical Science, 56(1), pp.24–31. DOI: http://doi.org/10.4038/cjms.v56i1.4957
Published on 30 Dec 2019.
Peer Reviewed

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