Prevalence of Hamstrings Tightness Using Active Knee Extension Test among Diamond Assorters
Keywords:Active knee extension test, diamond assorters, hamstring tightness, popliteal angle, prolonged sitting
Background: Hamstrings is a key component of flexibility in the human body. People involved in certain
occupation are more prone to develop hamstrings tightness. It is defined as the inability to achieve more than
160 degrees of knee extension when the hip is flexed to 90 degrees. This study aimed to find out prevalence
of hamstrings tightness among diamond assorters.
Method: A descriptive cross sectional study was carried out among 150 diamond assorters. Demographic
data was collected and active knee extension was used to measure the hamstrings tightness among the
diamond assorters. Descriptive analysis was done by using Microsoft Excel version 2010.
Conclusion: Prevalence of hamstrings tightness is very high in diamond assorters. 95.3% subjects were
found to have hamstrings tightness in right limb and 94% subjects were found to have hamstrings tightness
in left limb. Proper ergonomic arrangements and healthy working conditions are recommended to prevent
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