Intrinsic foot muscle hardness is related to dynamic postural stability after landing in healthy young men

Maeda, Noriaki; Hirota, Arisu; Komiya, Makoto; Morikawa, Masanori; Mizuta, Rami; Fujishita, Hironori; Nishikawa, Yasuo; Kobayashi, Toshiki; Urabe, Yukio

doi:10.1016/j.gaitpost.2021.03.005

Cited by 24 publications

(19 citation statements)

References 24 publications

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“…Amongst these methods, SFE is the most studied because it utilises the IFMs to draw the metatarsal heads back towards the heel whilst minimising distal interphalangeal flexion [ 18 , 22 , 23 ]. Through IFM training, weakened or inhibited IFMs are activated and foot–ankle neuromuscular control is improved [ 24 ], which may help prevent running-related injuries, such as plantar fasciitis [ 25 ], foot pronation [ 26 ], hallux valgus [ 27 ] and chronic ankle instability [ 28 ].…”

Section: Introductionmentioning

confidence: 99%

Effect of intrinsic foot muscles training on foot function and dynamic postural balance: A systematic review and meta-analysis

et al. 2022

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This systematic review aimed to analyse the effects of intrinsic foot muscle (IFM) training on foot function and dynamic postural balance. Keywords related to IFM training were used to search four databases (PubMed, CINAHL, SPORTDiscus and Web of Science databases.) for relevant studies published between January 2011 and February 2021. The methodological quality of the intervention studies was assessed independently by two reviewers by using the modified Downs and Black quality index. Publication bias was also assessed on the basis of funnel plots. This study was registered in PROSPERO (CRD42021232984). Sixteen studies met the inclusion criteria (10 with high quality and 6 with moderate quality). Numerous biomechanical variables were evaluated after IFM training intervention. These variables included IFM characteristics, medial longitudinal arch morphology and dynamic postural balance. This systematic review demonstrated that IFM training can exert positive biomechanical effects on the medial longitudinal arch, improve dynamic postural balance and act as an important training method for sports enthusiasts. Future studies should optimise standardised IFM training methods in accordance with the demands of different sports.

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Section: Introductionmentioning

confidence: 99%

Effect of intrinsic foot muscles training on foot function and dynamic postural balance: A systematic review and meta-analysis

et al. 2022

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“…CAI, chronic ankle instability; FFHFA, angle of the forefoot with respect to the hindfoot; GRF, groundreaction force; HFTBA, angle of the hindfoot with respect to the tibia; MD, mean difference. Studies have proposed that the instability of the ankle joint is caused by a lack of primary neuromuscular conditioning, 14,15 involving the ligaments and intrinsic foot muscles in the ankle, 21,30,34 or lower extremity malalignment. 39 Hence, it is considered that the static and dynamic stabilizers of the ankle joint play important roles in dynamic and static postural control during landing.…”

Section: Discussionmentioning

confidence: 99%

“…Studies have proposed that the instability of the ankle joint is caused by a lack of primary neuromuscular conditioning, 14 , 15 involving the ligaments and intrinsic foot muscles in the ankle, 21 , 30 , 34 or lower extremity malalignment. 39 Hence, it is considered that the static and dynamic stabilizers of the ankle joint play important roles in dynamic and static postural control during landing.…”

Section: Discussionmentioning

confidence: 99%

Biomechanical Characteristics of the Support Leg During Side-Foot Kicking in Soccer Players With Chronic Ankle Instability

Tamura

Shimura

Inoue

2022

Orthopaedic Journal of Sports Medicine

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Background: Chronic ankle instability (CAI) in soccer players can increase the risk of recurrent ankle varus sprains and damage the articular surface of the ankle joint, thus increasing the risk of osteoarthritis. It is important to understand the biomechanical characteristics of the support leg during kicking in soccer players with CAI. Purpose/Hypothesis: The purpose of this study was to clarify the kinematics of the kicking motion of soccer players with CAI. It was hypothesized that at the point before ball contact when the support leg makes flat-foot contact with the ground, soccer players with CAI will land with ankle inversion in the support leg during a side-foot kick compared with players without CAI. Study Design: Controlled laboratory study. Methods: The study cohort included 19 male college soccer players (mean age, 20.5 ± 0.9 years) with greater than 8 years of soccer experience who were recruited from August 2019 to March 2020. Of these athletes, 10 had CAI and 9 had no CAI in the support leg, as diagnosed according to the Cumberland Ankle Instability Tool. Kinematic data for the trunk, hip, knee, and foot of the support leg during a side-foot kick were obtained using a 3-dimensional, motion-analysis system. The Mann-Whitney U test or Student t test was selected to identify differences in variables between the CAI and non-CAI groups. Results: There were no significant differences in physical characteristics between the CAI and non-CAI groups. At the point when the support leg made flat-foot contact with the ground, the players with CAI had more eversion of the hindfoot with respect to the tibia (-28.3° ± 12.1° vs -13.9° ± 14.2°; P = .03), a more varus alignment of the knee (26.0° ± 10.7° vs 13.7° ± 10.5°; P = .03), and a lower arch height index (0.210 ± 0.161 vs 0.233 ± 0.214; P = .046) compared with non-CAI players. Conclusion: Significant differences between players with and without CAI were seen in the support leg kinematics at flat-foot contact with the ground during the kicking cycle. Clinical Relevance: The biomechanical alignment of the support leg during a side-foot kick in players with CAI may reflect a subconscious attempt to avoid inversion of the foot and further ankle sprains.

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“…Eine Aufgabe der intrinsischen Fußmuskulatur ist die Herstellung einer optimalen Balance durch die Ausbildung und Anpassung der Fußgewölbe an den Untergrund. Des Weiteren sind angepasste Fußgewölbe relevant für eine ökonomische Kraftübertragung während des Gehens [13,14]. Gestützt werden diese Annahmen durch Untersuchungen, die eine gesteigerte Aktivität der intrinsischen Fußmuskulatur bei gesteigerten statischen posturalen Anforderungen, wie zum Beispiel dem Einbeinstand, nachweisen [13].…”

Section: Introductionunclassified

Auswirkungen des Trainings der intrinsischen Fußmuskulatur bei Patienten*innen mit Sprunggelenkinstabilität – ein narrativer Review

Götz

Riederer

Richter

2022

Sportverletz Sportschaden

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Zusammenfassung Hintergrund Sprunggelenkdistorsionen stellen eine der häufigsten Verletzungen im Sport dar und können sich als chronische Sprunggelenkinstabilität manifestieren. In der Therapie und Prävention hat sich ein sensomotorischer Trainingsansatz der sprunggelenkumgebenden Strukturen als wirksam erwiesen. Es gibt Hinweise, dass auch ein Training der intrinsischen Fußmuskulatur beispielsweise die Balance verbessern kann. Ziel Ziel dieses narrativen Reviews ist die Darstellung der Evidenz eines Trainings der intrinsischen Fußmuskulatur bei Patient*innen mit Sprunggelenkinstabilität. Methode Im Januar 2022 wurde in den Datenbanken PubMed, Cochrane Library, EBSCOhost, PEDro, SPONET und BISp-Surf eine systematische Literaturrecherche durchgeführt, die durch eine Freihandsuche ergänzt wurde. Dabei sollten Metaanalysen, Systematic Reviews und Interventionsstudien inkludiert werden, die Effekte einer Trainingsform der intrinsischen Fußmuskulatur bei Patient*innen mit Sprunggelenkinstabilität untersuchten. Die qualitative Bewertung der Literatur und Evidenz erfolgte anhand des Risk-of-Bias-Tools (RoB-Tool) des Cochrane Handbook sowie angelehnt an das GRADE-System. Ergebnisse Fünf randomisierte kontrollierte Studien mit insgesamt 150 Proband*innen wurden inkludiert. Vier Studien nutzten die Short-Foot Exercise (SFE), eine Studie die Towel-Curl Exercise (TCE) und eine wandte ein Training der Zehen an. Drei Studien wiesen einen großen, signifikant positiven Effekt (p<0,05) der SFE auf die subjektive Instabilität auf. Die SFE und das Zehentrainingsprogramm hatten signifikant positive Effekte (p<0,05) auf die Balance, wobei die Einbeziehung der SFE in ein Trainingsprogramm zu keinem Vorteil führte. Eine Studie stellte signifikant positive Auswirkungen (p<0,05) der SFE auf die Somatosensibilität fest. Alle 3 Trainingsformen führten zu deutlichen, signifikanten (p<0,05) Verbesserungen funktioneller Aspekte. Schlussfolgerung Es zeigen sich positive Effekte durch das Training der intrinsischen Fußmuskulatur bei Patient*innen mit Sprunggelenkinstabilität auf die subjektive Instabilität, Balance, Somatosensibilität sowie auf funktionelle Aspekte. Effektive Trainingsformen scheinen die SFE und ein Zehentraining zu sein, diese könnten eine sinnvolle Ergänzung zur konventionellen Therapie darstellen. Die Qualität der Evidenz ist jedoch zu gering, um eine klare Empfehlung aussprechen zu können.

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Intrinsic foot muscle hardness is related to dynamic postural stability after landing in healthy young men

Cited by 24 publications

References 24 publications

Effect of intrinsic foot muscles training on foot function and dynamic postural balance: A systematic review and meta-analysis

Effect of intrinsic foot muscles training on foot function and dynamic postural balance: A systematic review and meta-analysis

Biomechanical Characteristics of the Support Leg During Side-Foot Kicking in Soccer Players With Chronic Ankle Instability

Auswirkungen des Trainings der intrinsischen Fußmuskulatur bei Patienten*innen mit Sprunggelenkinstabilität – ein narrativer Review

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