Factors associated with quadriceps angle in healthy young adult males
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Abstract
This study aims to investigate the correlation between quadriceps angle (Q-angle) and leg muscles strength,
leg muscles flexibility, balance, and range of motion. A cross sectional study was conducted in 97 adult men. All participants were interviewed by using the questionnaire and physical examination. An outcome measurement consists of quadriceps angle and leg muscles strength, leg muscles flexibility, balance, and range of motion (ROM). The result of this study showed a statistically significant relationship between the Q-angle and the leg muscles strength (r = -0.23 - r = -0.31, p < 0.05), muscle flexibility of hip adductor (r = -0.48 p < 0.01), Iliotibial band (r = -0.30 p < 0.01) and hamstrings (r = -0.60 p < 0.01). In addition, there was statistically significant between the Q-angle and ROM of hip extension (r = -0.23 p < 0.05), hip adduction (r = -0.31
p < 0.05), and knee extension (r = 0.26 p < 0.05). However, there was no relationship between Q-angle and static and dynamic balance. In conclusion, this study found that the Q-angle had a statistically significant correlation with the leg muscles strength, leg muscle flexibility and ROM whereas not correlated with balance control.
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