Balance assessments for predicting functional ankle instability and stable ankles

Ross, Scott E.; Linens, Shelley W.; Wright, Cynthia J.; Arnold, Brent L.

doi:10.1016/j.gaitpost.2011.07.011

Cited by 26 publications

(25 citation statements)

References 19 publications

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“…Previous investigators 4,36 reported that COPA-95 did not identify balance deficits associated with CAI; therefore, we were not surprised by our results. Other authors 37,38 have shown improvement in COPA-95 measurements after a balance-training intervention, which was why we included this measure in our data collection.…”

Section: Force-plate Measuressupporting

confidence: 60%

Postural-Stability Tests That Identify Individuals With Chronic Ankle Instability

Linens

Ross

Arnold

et al. 2014

Journal of Athletic Training

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105

124

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Context: Chronic ankle instability (CAI) is characterized by repeated ankle sprains, which have been linked to postural instability. Therefore, it is important for clinicians to identify individuals with CAI who can benefit from rehabilitation.Objective: To assess the likelihood that CAI participants will exhibit impaired postural stability and that healthy control participants will exhibit better test performance values.Design: Case-control study. Setting: Laboratory.Patients or Other Participants: People with CAI (n ¼ 17, age ¼ 23 6 4 years, height ¼ 168 6 9 cm, weight ¼ 68 6 12 kg) who reported ankle ''giving-way'' sensations and healthy volunteers (n ¼ 17, age ¼ 23 6 3 years, height ¼ 168 6 8 cm, weight ¼ 66 6 12 kg).Intervention(s): Participants performed 7 balance tests: Balance Error Scoring System (BESS), time in balance, foot lift, single-legged stance on a force plate, Star Excursion Balance Test, side hop, and figure-of-8 hop.Main Outcome Measure(s): Balance was quantified with errors (score) for the BESS, length of time balancing (seconds) for time-in-balance test, frequency of foot lifts (score) for foot-lift test, velocity (cm/s) for all center-of-pressure velocity measures, excursion (cm) for center-of-pressure excursion measures, area (cm 2 ) for 95% confidence ellipse center-of-pressure area and center-of-pressure rectangular area, time (seconds) for anteriorposterior and medial-lateral time-to-boundary (TTB) measures, distance reached (cm) for Star Excursion Balance Test, and time (seconds) to complete side-hop and figure-of-8 hop tests. We calculated area-under-the-curve values and cutoff scores and used the odds ratio to determine if those with and without CAI could be distinguished using cutoff scores.Results: We found significant area-under-the-curve values for 4 static noninstrumented measures, 3 force-plate measures, and 3 functional measures. Significant cutoff scores were noted for the time-in-balance test (25.89 seconds), foot-lift test (5), single-legged stance on the firm surface (3 errors) and total (14 errors) on the BESS, center-of-pressure resultant velocity (1.56 cm/s), standard deviations for medial-lateral (1.56 seconds) time-to-boundary and anterior-posterior (3.78 seconds) time-to-boundary test, posteromedial direction on the Star Excursion Balance Test (0.91), side-hop test (12.88 seconds), and figure-of-8 hop test (17.36 seconds).Conclusions: Clinicians can use any of the 10 significant measures with their associated cutoff scores to identify those who could benefit from rehabilitation that reestablishes postural stability.

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Section: Force-plate Measuressupporting

confidence: 60%

Postural-Stability Tests That Identify Individuals With Chronic Ankle Instability

Linens

Ross

Arnold

et al. 2014

Journal of Athletic Training

Self Cite

105

124

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“…The COPV measures were defined as the absolute mean value of the instantaneous velocity of the center of pressure in a given direction during a given period. 25,28 The COPE measures were defined as the absolute averaged distance between the instantaneous center of pressure and the average center-ofpressure position in a given direction during a given time. 25,28 The COPA-95 was defined as the area of the 95th percentile ellipse, encompassing 95% of the center-ofpressure data points.…”

Section: Data Analysis For Balance Protocolsmentioning

confidence: 99%

“…25,28 The COPE measures were defined as the absolute averaged distance between the instantaneous center of pressure and the average center-ofpressure position in a given direction during a given time. 25,28 The COPA-95 was defined as the area of the 95th percentile ellipse, encompassing 95% of the center-ofpressure data points. 28 These center-of-pressure measures have been used to quantify treatment effects of SRS in participants with FAI and have been identified as measures that quantify balance impairments associated with FAI.…”

Section: Data Analysis For Balance Protocolsmentioning

confidence: 99%

Customized Noise-Stimulation Intensity for Bipedal Stability and Unipedal Balance Deficits Associated With Functional Ankle Instability

Ross

Linens

Wright

et al. 2013

Journal of Athletic Training

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“…The single-leg stance (SLS) test was used because it is readily accessible to clinicians and provides a quantitative assessment of balance [38,34,39]. The SLS test measures the time one is able to stand on one limb without support, while barefoot and with eyes open [38].…”

mentioning

confidence: 99%

Unipedal Balance Is Affected by Lower Extremity Joint Arthroplasty Procedure 1 Year Following Surgery

Butler¹,

Thiele

Barnes

et al. 2015

The Journal of Arthroplasty

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Balance assessments for predicting functional ankle instability and stable ankles

Cited by 26 publications

References 19 publications

Postural-Stability Tests That Identify Individuals With Chronic Ankle Instability

Postural-Stability Tests That Identify Individuals With Chronic Ankle Instability

Customized Noise-Stimulation Intensity for Bipedal Stability and Unipedal Balance Deficits Associated With Functional Ankle Instability

Unipedal Balance Is Affected by Lower Extremity Joint Arthroplasty Procedure 1 Year Following Surgery

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