Comparison of Functional Lower Extremity Evaluation Scores in Active Adolescents with Normal and Flexible Flat Foot

Document Type : Original article

Authors

1 MSc, School of Sport Corrective Exercise, Kharazmi University, Tehran, Iran

2 Assistant Professor, School of Sport Biomechanics and Corrective Exercise Kharazmi University, Tehran, Iran

3 Associate Professor, School of Sport Biomechanics and Corrective Exercise, Kharazmi University, Tehran, Iran.

Abstract

Background and Aim: Abnormalities and muscular imbalance in lower limb can lead to poor performance in sports activities followed by injuries. The aim of the present study was comparison of the scores of functional lower extremity in active adolescents with normal and flexible flat foot.
Materials and Methods: In the present study, 60 active students (16-18 years-old) with normaland flexible flat foot participated and were divided into two groups (30 each). The participants' navicular drop, using the method described by Brady, and lower limb function, using functional tests including control sequence, hop test sequence, and endurance sequence, were evaluated. To analyze the research findings, descriptive (mean and standard deviation) and inferential (t-tests) statistical methods were applied.
Results: The results indicated significant differences between the two groups with normal and flat foot in all functional tests of lower limb (p≤ /05) and, in comparison with the normal group, the flat foot group obtained lower scores.
Conclusion: Based on the results, flexible flat foot as an abnormality can lead to poor performance in functional tests and sport activities that require balance, muscular endurance, and strength followed by sports injuries including plantar fascia inflammation, tibial stress fracture, anterior cruciate ligament rupture, and backache. So, it is recommended that flexible flat foot be considered as a risk factor in sports injuries.

Keywords

Main Subjects


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Volume 7, Issue 4
January and February 2019
Pages 198-207
  • Receive Date: 29 April 2018
  • Revise Date: 24 June 2018
  • Accept Date: 19 July 2018
  • First Publish Date: 22 December 2018