Reliability and Validity of the Sit-To-Stand Test to Assess Global Foot Mobility

Introduction:

The Sit-to-Stand Test (STST) is a simple yet widely used method to assess foot mobility by observing changes in foot posture between weight-bearing and non-weight-bearing positions. Despite its popularity, concerns remain about its reliability and validity. This study evaluates the intra-rater and inter-rater reliability of the STST and compares its classifications with objective foot mobility measurements.

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Key Findings:

• Study Participants: 97 individuals (mean age: 25 years) underwent the STST, with their foot posture classified as Hypomobile, Normal, or Hypermobile.
• Reliability Assessment:
  • Between-day Kappa coefficients: 0.613 to 0.719 (moderate to substantial reliability).
  • Inter-rater Kappa coefficients: 0.473 to 0.531 (moderate reliability).
• Validity Concerns: The agreement between visual and quantitative classifications ranged from 0.281 to 0.436, suggesting that the STST should be used with caution.

 Broader Implications in Sports Medicine:

The American College of Sports Medicine (ACSM) emphasizes the importance of foot mobility assessment in injury prevention and rehabilitation. Understanding foot mobility can help clinicians tailor interventions for conditions like plantar fasciitis, knee pain, and stress fractures.

 Essential References and Links:

• DOI Reference: Read the full study at https://doi.org/10.29328/journal.jsmt.1001010.
• Further Reading: Explore more articles on foot biomechanics and sports therapy on https://www.sportsmedoa.org/jsmt.
• Internal Linking: A detailed analysis can be found in our main journal article.

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