Neuromuscular Activity of the Peroneal Muscle after Foot Orthoses Therapy in Runners

Baur, Heiner; Hirschmüller, Anja; Müller, Steffen; Mayer, Frank

doi:10.1249/mss.0b013e31820c64ae

Cited by 27 publications

(49 citation statements)

References 42 publications

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“…This was interpreted as a change in motor program leading to better ankle stability. Eventually, this might point to a modified afferent input on the foot sole (or other proprioceptive structures), which leads to a change in muscular control [37]. This descriptive observation does not directly lead to a new `sensorimotor´ paradigm but it opens the field for new methodological approaches like the integration of neurophysiologic techniques like h-reflex measurements or transcranial magnetic stimulation (TMS) [38].…”

Section: Discussionmentioning

confidence: 99%

Effects of different medial arch support heights on rearfoot kinematics

et al. 2017

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BackgroundFoot orthoses are usually assumed to be effective by optimizing mechanically dynamic rearfoot configuration. However, the effect from a foot orthosis on kinematics that has been demonstrated scientifically has only been marginal. The aim of this study was to examine the effect of different heights in medial arch-supported foot orthoses on rear foot motion during gait.MethodsNineteen asymptomatic runners (36±11years, 180±5cm, 79±10kg; 41±22km/week) participated in the study. Trials were recorded at 3.1 mph (5 km/h) on a treadmill. Athletes walked barefoot and with 4 different not customized medial arch-supported foot orthoses of various arch heights (N:0 mm, M:30 mm, H:35 mm, E:40mm). Six infrared cameras and the `Oxford Foot Model´ were used to capture motion. The average stride in each condition was calculated from 50 gait cycles per condition. Eversion excursion and internal tibia rotation were analyzed. Descriptive statistics included calculating the mean ± SD and 95% CIs. Group differences by condition were analyzed by one factor (foot orthoses) repeated measures ANOVA (α = 0.05).ResultsEversion excursion revealed the lowest values for N and highest for H (B:4.6°±2.2°; 95% CI [3.1;6.2]/N:4.0°±1.7°; [2.9;5.2]/M:5.2°±2.6°; [3.6;6.8]/H:6.2°±3.3°; [4.0;8.5]/E:5.1°±3.5°; [2.8;7.5]) (p>0.05). Range of internal tibia rotation was lowest with orthosis H and highest with E (B:13.3°±3.2°; 95% CI [11.0;15.6]/N:14.5°±7.2°; [9.2;19.6]/M:13.8°±5.0°; [10.8;16.8]/H:12.3°±4.3°; [9.0;15.6]/E:14.9°±5.0°; [11.5;18.3]) (p>0.05). Differences between conditions were small and the intrasubject variation high.ConclusionOur results indicate that different arch support heights have no systematic effect on eversion excursion or the range of internal tibia rotation and therefore might not exert a crucial influence on rear foot alignment during gait.

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Section: Discussionmentioning

confidence: 99%

Effects of different medial arch support heights on rearfoot kinematics

et al. 2017

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“…27 Two studies assessed the activation of ankle muscles during running using electromyography. 28,29 Four studies consisted of kinematic analysis performed by a three-dimensional camera system [30][31][32][33] whereas a single study included a kinetic analysis performed on a force platform. 33 One study used an electronic platform system for assessment of foot type (Novel Electronics Munich, Germany); 34 and finally, one study measured the alignment of the lower limbs through measuring devices (tape and goniometer).…”

Section: ■ Resultsmentioning

confidence: 99%

Risk factors for overuse injuries in runners’ ankles: a literature review

Greve¹,

Andere²,

Luna³

et al. 2015

Medical Express

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In spite of the numerous benefits to human health and given the increase of running as an exercise that has become popular worldwide, this type of sport may be the cause of a number of different injuries. The foot, ankle and lower leg comprise almost 40% of the injuries. However, the etiology of these types of injury is still not completely understood. OBJECTIVE: To investigate the causes of the onset of overuse injury in runners. METHODS: A systematic search of the electronic database was made: Bireme, Pubmed and PEDro, which were selected that addressed clinical trials, control cases, prospective and cross-sectional studies. RESULTS: The search through the descriptors yielded 324 references. Using our predefined inclusion criteria (case studies, clinical trials, prospective studies and cross studies that addressed adult runners, amateur or professional) 68 articles remained; 24 citations were excluded after reading the title, and 35 were excluded after reading the abstract and the full text. Therefore nine studies that met the criteria for analysis were included. CONCLUSION: The etiology of overuse injuries in runners is multifactorial. This review showed that distance, soil type and footwear, as well as a history of previous injuries, biomechanical changes such as increased dorsiflexion and eversion ankle, and greater knee flexion are risk factors that influence the occurrence of these injuries.

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“…11 Therefore, the functioning of shoes and foot orthoses may be mediated by an interplay of biomechanical and neuromuscular effects. 14,20 However, this theoretical framework is only speculative and far from conclusive.…”

Section: Discussionmentioning

confidence: 99%

“…Our participants had not adapted to the SSFO condition. This may provide a reasonable explanation for these differences, because researchers 20,34 have suggested that a wearing period of at least 4 weeks is needed to see full adaptations to foot orthoses. Furthermore, the comfort scores for the SSFO condition were lower.…”

Section: Discussionmentioning

confidence: 99%