An examination of muscle force control in individuals with a functionally unstable ankle

Yen, Sheng‐Che; Chui, Kevin K.; Wang, Ying-Chih; Corkery, Marie B.; Nabian, Mohsen; Farjadian, Amir B.

doi:10.1016/j.humov.2019.02.005

Cited by 7 publications

(13 citation statements)

References 33 publications

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“…We made the observation that participants with mild symptoms associated with chronic ankle instability (ie, larger CAIT score) performed better in the ankle inversion/ eversion task (kicking leg only) suggesting that ankle joint stability is important for ankle somatosensation. In support of this, functional ankle instability is related to a reduction in the ability to control ankle muscle forces, 39 as well as the inhibition of the peroneus longus and tibialis anterior muscles during drop jumps. 43 When individuals were grouped based on ankle stability, compression had no effect on ankle control during the inversion/eversion task.…”

Section: Discussionmentioning

confidence: 94%

“…A novel component of this study was the additional assessment of the effect of compression on ankle somatosensation relative to functional ankle instability. Functional ankle instability is characterized by episodes of recurrent ankle sprains, 39 which can lead to a wide spectrum of disabilities (eg, osteoarthritis and articular degeneration at the ankle) 40 . In addition, ankle instability is often associated with perceptions of a weak, more painful, and less functional ankle than pre‐injury, 41 which may ultimately contribute to ankle injury recurrence rates (in excess of 70% in some sports) 42 .…”

Section: Discussionmentioning

confidence: 99%

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Compression enhances lower‐limb somatosensation in individuals with poor somatosensation, but impairs performance in individuals wth good somatosensation

Broatch

Halson

Panchuk³

et al. 2020

Transl Sports Med

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While research suggests that somatosensation contributes to elite athletic performance, little is known regarding the capacity of ergogenic aids (eg, compression) to enhance somatosensation. This study assessed the effects of compression socks on functional ankle somatosensory ability, and whether any effects depended on baseline somatosensation or ankle instability. Forty-two participants performed somatosensation testing using the active movement extent discrimination analysis (AMEDA) device, whereby the accuracy that participants could identify repeated ankle inversion movements of different extents were measured. Participants performed the AMEDA test on their "stabilizing" and "kicking" legs, with (compression; COMP) and without (barefoot control; CON) compression socks. AMEDA scores were also compared against ankle instability using the Cumberland Ankle Instability Tool (CAIT). There were no condition (P = .417) or testing-leg (P = .507) effects for mean AMEDA scores. When participants were ranked into tertiles based on barefoot AMEDA scores, COMP reduced ankle somatosensation in the high tertile (P ≤ .003) and increased ankle somatosensation in the low tertile (P = .023, stabilizing). Compression had no effect (P > .05) on AMEDA scores when participants were split into "low" and "high" CAIT groups. Wearing compression may amplify sensory input in a way that enhances somatosensation for individuals with poor somatosensation, but overloads input and impairs somatosensation of those with good somatosensation. Screening of barefoot ankle somatosensation may be used to identify individuals who might benefit from using compression to improve ankle somatosensation, such as individuals returning to weight-bearing activity following injury, and/or individuals with diminished somatosensation (eg, elderly). K E Y W O R D S ankle injury, injury prevention, neuromuscular control, proprioception 1 | INTRODUCTION Somatosensation is the process of incorporating both proprioceptive and tactile information arising from mechanoreceptors in our skin, muscles, and joints to provide feedback to the central nervous system regarding body position and movements in space. 1 The ability to process this information is more important for skilful tasks than normal activities, 2 suggesting that somatosensation may contribute

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Section: Discussionmentioning

confidence: 94%

Section: Discussionmentioning

confidence: 99%

Compression enhances lower‐limb somatosensation in individuals with poor somatosensation, but impairs performance in individuals wth good somatosensation

Broatch

Halson

Panchuk³

et al. 2020

Transl Sports Med

View full text Add to dashboard Cite

show abstract

“…This study determined that abnormalities in joint position sense and kinesthesia were directly linked in individuals with FAI and may contribute to CAI progression. However, previous studies have resulted in contradictory findings 11,20,21 . In addition, Wikstrom et al found elevated plantar lighttouch thresholds compared with controls in individuals with CAI, indicating a correlation between postural and sensorineural control deficits in individuals who had historically sustained an ankle sprain 23 .…”

Section: Biomechanics Of the Ankle And Lower Extremitymentioning

confidence: 97%

“…It is believed that ankle dorsiflexion deficits may result from decreased talocrural joint mobilization 9 , calcaneal valgus, and subtalar joint hypermobility 10,20,21 , which may contribute to a higher propensity for recurrent lateral ankle sprains 8 . These deficits cause changes in normal ankle joint alignment and kinematics, negatively affecting postural stability 9,10 .…”

Section: Biomechanics Of the Ankle And Lower Extremitymentioning

confidence: 99%

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Therapeutic Approach in the Reduction of Chronic Ankle Instability Risk in Adults

Bryson

2022

JBJS Journal of Orthopaedics for Physician Assistants

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Ankle sprains are common injuries in healthy, active adults, especially those engaging in athletics or high-intensity training. Research assessing the effects and sequelae of sustained index ankle sprains demonstrates a high risk of subsequent injuries, leading to chronic ankle instability. Numerous studies have isolated risk factors and mitigation techniques, altering the progression of instability and decreased performance associated with ankle injuries. Enrollment in adequate early rehabilitation programs focused on the restoration of joint biomechanics and sensorineural control is essential in minimizing instability progression. The biomechanics, evaluation, special testing, and progressive spectrum of nonsurgical and surgically invasive treatment options are discussed.Disclosure: The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (http://links.lww.com/JBJSJOPA/A162).

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Force sense deficits in chronic ankle instability: A systematic review and meta‐analysis

Xue

Chen

Xuan

et al. 2022

PM&R

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Objective Patients with chronic ankle instability (CAI) may experience ankle force sense deficits due to mechanoreceptor injury and proprioceptive deafferentation in the affected ankles. This study aimed to systematically review the literature and investigate (1) whether patients with CAI have impaired force sense when compared with uninjured contralateral sides or healthy controls, and (2) which characteristics of CAI (e.g., any measurement of CAI symptoms, clinical questionnaires, or functional tests on the injured ankles) are correlated with force sense deficits. Type Systematic review and meta‐analysis. Literature Survey PubMed, Embase, Web of Science, Cochrane Library, Scopus, CINAHL, and SPORTDiscus were searched for ankle‐related, injury‐related, and force sense‐related terms from inception to February 2, 2022. Methodology The following information was extracted from included articles: demographic data, sample size, selection criteria, methodology, force reproduction test outcomes, and correlations between force sense and other characteristics of CAI. Meta‐analyses were conducted for the force sense outcomes, and a narrative review was undertaken for the correlation between force sense deficits and other characteristics of CAI. Synthesis Eight studies were included. The meta‐analyses revealed eversion force sense deficits of the injured ankles in absolute error (magnitude of force reproduction error) at 20% maximal voluntary isometric contractions (MVIC) (standardized mean difference [SMD] = 0.67, 95% confidence interval [CI] 0.23–1.11) and variable error (consistency of force reproduction) at 30% MVIC (SMD = 0.46, 95% CI 0.07–0.85), as compared with healthy controls. None of the included studies reported a significant correlation between these two deficits and other characteristics of CAI. Conclusions Patients with CAI have eversion force sense deficits in the magnitude of force reproduction error at 20% MVIC and the consistency of force reproduction at 30% MVIC.

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An examination of muscle force control in individuals with a functionally unstable ankle

Cited by 7 publications

References 33 publications

Compression enhances lower‐limb somatosensation in individuals with poor somatosensation, but impairs performance in individuals wth good somatosensation

Compression enhances lower‐limb somatosensation in individuals with poor somatosensation, but impairs performance in individuals wth good somatosensation

Therapeutic Approach in the Reduction of Chronic Ankle Instability Risk in Adults

Force sense deficits in chronic ankle instability: A systematic review and meta‐analysis

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