The ability of the Biodex Stability System to distinguish level of function                 in subjects with a second-degree ankle sprain

Perron, Martin; Hébert, Luc J.; McFadyen, Bradford J.; Belzile, Sylvain; Regniére, Mario

doi:10.1177/0269215506071288

Cited by 37 publications

(29 citation statements)

References 15 publications

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“…Note that a higher score indicates poorer balance. 24 To investigate the effect of the intervention, the mean changes in the sum of the OSI, APSI, and MLSI in each group were calculated from baseline during both situations (eyes open and eyes closed) of the static and dynamic test conditions.…”

Section: Resultsmentioning

confidence: 99%

Uphill and Downhill Walking in Multiple Sclerosis

Samaei

Bakhtiary

Hajihasani

et al. 2016

International Journal of MS Care

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Section: Resultsmentioning

confidence: 99%

Uphill and Downhill Walking in Multiple Sclerosis

Samaei

Bakhtiary

Hajihasani

et al. 2016

International Journal of MS Care

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“…In an attempt to provide a more dynamic environment, similar to natural conditions that result in ankle instability, some researchers assess postural performance using the BSS in patients with ankle sprain. 19,22,26 The results of these latter studies indicate that the greater the difficulty levels of testing, the larger the difference in balance performance between the injured and contralateral noninjured limbs 26 or between the group with ankle instability and the control group. 19,22 For instance, Rozzi et al 22 compared single-limb stance performance on the BSS in 13 subjects with FAI and 13 control individuals.…”

Section: Level Of Postural Difficultymentioning

confidence: 94%

“…19,22,26 The results of these latter studies indicate that the greater the difficulty levels of testing, the larger the difference in balance performance between the injured and contralateral noninjured limbs 26 or between the group with ankle instability and the control group. 19,22 For instance, Rozzi et al 22 compared single-limb stance performance on the BSS in 13 subjects with FAI and 13 control individuals. Similar to our findings, the subjects with FAI demonstrated a significantly poorer postural stability for OSI compared to the subjects in the control group, when standing on a less stable platform (stability level 2).…”

Section: Level Of Postural Difficultymentioning

confidence: 94%

Attentional Demands and Postural Control in Athletes With and Without Functional Ankle Instability

Rahnama

Salavati²,

Akhbari³

et al. 2010

J Orthop Sports Phys Ther

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Lateral ankle sprains are one of the most common injuries among physically active individuals, especially those who participate in soccer, basketball, and volleyball.5 Furthermore, the recurrence rate has been estimated to be as high as 80%.11 The repeated ankle injury and giving-way feelings that occur in some individuals after the first sprain lead to a condition that has been defined as functional ankle instability (FAI).10 Neuromuscular deficits are believed to have a major contribution to the development of FAI. Poor postural control, which t StUdy deSiGN: Case-control study.t oBJeCtive: To compare the effect of dualtasking on postural and cognitive performance between subjects with functional ankle instability (FAI) and a matched control group without FAI.t BaCKGroUNd: Deficit and expertise in sensorimotor functions have been proposed as factors that can modify the interference between postural control and cognition. To the authors' knowledge, no study has investigated the posture-cognition interaction in individuals with recurrent ankle sprain, an orthopaedic condition with documented sensorimotor deficits.t MethodS: Single-limb postural stability was assessed in 15 recreational athletes with FAI and 15 matched healthy athletes without FAI. Each athlete stood on a Biodex Stability System at platform stabilities of 7 and 5, while they performed or did not perform a digits-backward cognitive task. Overall stability index (OSI), anteroposterior stability index (APSI), and mediolateral stability index (MLSI) were used as measures of postural performance. t reSUltS: At stability level 5, the individuals in the FAI group had poorer postural stability compared to those in the group without FAI (OSI, P.01; MLSI, P.01). A significant increase in OSI (P.01) and MLSI (P = .02) was also demonstrated by the individuals in the FAI group during dual-task performance compared to the single-task performance.t CoNClUSioN: Subjects with FAI demonstrated poorer postural stability when tested at level 5 on the Biodex Stability System, but not at level 7. Also, the results indicate that concurrent performance of a cognitive task decreased postural stability in the subjects with FAI, suggesting an increased dependency on attentional demands for maintenance of balance in that group. Such findings highlight the need for the assessment of postural control in patients with ankle sprain to include cognitive loading.

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“…A higher score in each index, such as MLSI, indicates poor balance. It is believed that the OSI score is the best indicator of the overall patient ability to maintain balance on the free platform (22).…”

Section: Stability Assessmentmentioning

confidence: 99%

Endomorphs Show Higher Postural Sway Than Other Somatotypes Subjects

Samaei

Bakhtiary

Hajihasani

2014

Middle East J Rehabil Health

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Background:The somatotype may influence the balance control ability. The quality of balance performance is an important factor to prevent injuries during sport activities. Objectives: The purpose of this study was to investigate the influence of somatotype on the static and dynamic balance indices as well as falling risk index. Patients and Methods: A total of 141 university student healthy young females were recruited. We measured anthropometric somatotypes (10 parameters, Heath-Carter's method) and the mean of center of pressure (COP) displacement on a Biodex balance system during unilateral (static balance indices) and bilateral standing (dynamic balance indices) with their eyes open and eyes closed. Results: In this research, the frequency of somatotypes was as follows: endomorph, 51; mesomorph, 43; and ectomorph, 47. During dynamic tests, the endomorph group showed significantly higher COP sway (P < 0.01) and falling risk index (P < 0.05) than other somatotype groups did. The mesomorph group showed significantly better postural control during dynamic balance control test with eyes closed (P < 0.05) in comparison to the other somatotype groups. Conclusions:The mesomorph subjects had a higher degree of static and dynamic balance control, while a lower degree of balance control was found among endomorph subjects, especially when standing on the unlocked balance platform with both eyes open and eyes closed.

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The ability of the Biodex Stability System to distinguish level of function in subjects with a second-degree ankle sprain

Cited by 37 publications

References 15 publications

Uphill and Downhill Walking in Multiple Sclerosis

Uphill and Downhill Walking in Multiple Sclerosis

Attentional Demands and Postural Control in Athletes With and Without Functional Ankle Instability

Endomorphs Show Higher Postural Sway Than Other Somatotypes Subjects

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