Effects of a stocking on plantar sensation in individuals with and without ankle instability

Burcal, Christopher J.; Hoch, Matthew C.; Wikstrom, Erik A.

doi:10.1002/mus.25362

Cited by 4 publications

(1 citation statement)

References 32 publications

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“…43 When individuals were grouped based on ankle stability, compression had no effect on ankle control during the inversion/eversion task. Although contrary to the data reporting alterations in neural excitability when wearing compression 6 and nylon stockings, 44 the severity of underlying pathology in functional ankle instability (eg, impaired sensory discrimination, osteoarthritis, and/or articular degeneration at the ankle) may have masked any potential benefit of compression on these processes. Furthermore, individuals with chronic ankle instability have been reported to improve repeat-AMEDA testing at a slower rate than stable-ankle controls, suggesting chronic ankle instability affects learning strategies in somatosensory control.…”

Section: Discussioncontrasting

confidence: 68%

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: Discussioncontrasting

confidence: 68%