Twenty-five percent of all sports injuries are ankle sprains, which if left untreated or if improperly diagnosed, can result in lingering symptoms and decreased athletic performance.
McKeon and Hertel state, 'criticism of the traditional measures is that they may lack the sensitivity to detect postural control differences associated with CAI.'1
Time-to-Boundary has proven to be a useful tool for the assessment of chronic ankle instability. According to Hertel and Olmsted-Kramer, 'time-to-boundary measures appear to detect postural control deficits related to chronic ankle instability that most of the traditional COP-based measures fail to.'2
This white paper discusses the Time-to-Boundary measurement and how it can be used for ojective CAI assessments.
1. McKeon, Patrick and Jay Hertel. 2008. “Spatiotemporal Postural Control Deficits are Present in Those with Chronic Ankle Instability.’ BMC Musculoskeletal Disorders 9:76.
2. Hertel, Jay and Lauren C. Olmsted-Kramer. 2007. "Deficits in Time-to-Boundary Measures of Postural Control with Chronic Ankle Instability.' Gait & Posture 25, 33-39.
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