The Performance Matrix

Movement Faults in Young Footballers with FAI

14th July 2014

Poster Presentation: 19th Annual Conference of the European College of Sport Science in Amsterdam

Uncontrolled Movement during a Small Knee Bend Test in Young Footballers with Femoroacetabular Impingement (FAI): Pilot Case Studies

N. Botha¹, M. Warner¹, M. Gimpel², S. Mottram¹³, M. Comerford¹³, M. Stokes¹

¹Faculty of Health Sciences, University of Southampton, UK;

²Southampton Football Club;

³Movement Performance Solutions, Chichester, UK


Synopis of the research.....

The aim of the research was to conduct pilot case studies and document the uncontrolled movement observed during a small knee bend (SKB) test in young footballers with femoroacetabular Impingement.


  • Six male academy footballers, aged between 9–18 years, with hip or groin pain, diagnosed with FAI on magnetic resonance (MR) imaging, were studied.

Movement Control test:

  • The Small Knee Bend movement control test was performed.
  • Uncontrolled Movement (UCM) patterns were noted at the hip and pelvis.


  • UCM was observed in all 6 cases.
  • 5 out of 6 participants presented with UCM of hip flexion

Discussion & Conculsions:

  • These case studies suggest that UCM patterns of hip flexion exist in academy footballers with FAI.
  • People with pain often fail movement control tests and demonstrate movement impairments (Luomajoki et al. 2008; Worsley et al. 2013).
  • Identifying and classifying these movement impairments in footballers with FAI is essential to effectively prevent and manage symptoms by controlling movement adaptations.
  • The present findings demonstrate abnormal movement patterns during the small knee bend movement control test. 

European College of Sports Science Congresses

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