High lateral plantar pressure is related to an increased tibialis anterior/fibularis longus activity ratio in patients with recurrent lateral ankle sprain

Mineta, Shinshiro; Inami, Takayuki; Mariano, R. E. G.; Hirose, Norikazu

doi:10.2147/oajsm.s131596

Cited by 11 publications

(9 citation statements)

References 38 publications

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“…As a result, it is presumed that this causes compensatory movement occurring in the direction of the ankle flexors. A previous study showed that a patient with a history of ankle joint sprains has an outsole load during gait or one-leg standing 23) . In the current study, we infer that it is difficult for our participants to similarly load on their toe side.…”

Section: Discussionmentioning

confidence: 99%

Relationship between chronic ankle sprain instability and ultrasonographic evaluation of the peroneus during a single-leg standing task

Yoshida

Suzuki

2020

J Phys Ther Sci

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This study aimed to examine the relationship between chronic ankle sprain instability and ultrasonography of the peroneus muscles during a single-leg standing task. [Participants and Methods] We examined nine college-aged students with a history of lateral ankle joint sprain with chronic ankle sprain instability scores less than 24. Participants underwent ultrasonographic measurement of the pennation angle and muscle thickness of the peroneal and gastrocnemius muscle groups of both legs. In addition, participants were evaluated for fluctuation by the root mean square calculated from accelerations in the anteroposterior, lateral-horizontal, and vertical directions during the single-leg standing position by affixing the accelerometer to their waist. Measurement results were compared between sprain and non-sprain sides. [Results] Ultrasonography revealed a significant reduction in the feathered pennation angle of the long peroneal muscle on the side of the sprain, but no other significant differences. Also, significant extension was observed on the side of the sprain in the anteroposterior and vertical directions during single-leg standing; however, no significant differences were found in the lateral-horizontal direction. [Conclusion] Participants with chronic ankle sprain instability exhibited greater fluctuation in the anteroposterior and vertical directions. Such fluctuations are believed to be compensatory in nature because the feathered horn of the long peroneal muscle is decreased, and pronation of the forefoot is difficult during one-leg standing.

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Section: Discussionmentioning

confidence: 99%

Relationship between chronic ankle sprain instability and ultrasonographic evaluation of the peroneus during a single-leg standing task

Yoshida

Suzuki

2020

J Phys Ther Sci

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“…In the present study, the value of the leg-heel angle increased after the PHVA, indicating that the foot was close to inversion. Previous studies showed that patients with CAI are more laterally loaded than healthy subjects 21 and that they exhibit reduced lateral support alignment. 33,34 In the present study, leg-heel angle on weight-bearing during the PHVA phase showed a similar eversion angle to that of adults in the post-PHVA phase.…”

Section: Discussionmentioning

confidence: 97%

“…A lateral shift in foot pressure distribution has also been identified as a risk factor for the onset of LAS based on kinetic and kinematics data. 21 To our knowledge, prospective research has yet to be conducted to evaluate whether these risk factors also make the pediatric and adolescent athlete more prone to LAS.…”

Section: Introductionmentioning

confidence: 99%

Lateral Ankle Sprains and Their Association with Physical Function in Young Soccer Players

Murata

Kumai

Hirose

2021

OAJSM

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Purpose: Lateral ankle sprain (LAS) in childhood can result in lateral malleolus avulsion fractures; additionally, bone nonunion may occur. Physical maturity relates to the development of bone morphology and physical functionality. It is unknown how changes in physical functionality attributable to physical maturity affect young soccer players with abnormal lateral malleolus (ALM) morphology. Hence, the present study aimed to investigate the bone morphology of the lateral malleolus in young soccer players and to examine its relationship with physical functionality at different maturity levels. Subjects and Methods: Two hundred and ninety young soccer players aged 6-15 years were included. The presence of ALM was assessed using ultrasonography. The subjects were allocated to three groups based on physical maturity (Pre-, Mid-, and Post-peak height velocity age [PHVA]). The prevalence of ALM and the relationship between ALM and physical maturity were examined for body composition, foot pressure distribution, foot alignment, ankle mobility, and single-leg balance. Results: The prevalence of ALM was 17.6%. For physical maturity, the post-PHVA group showed a decrease in ankle dorsiflexion and eversion and an increase in one-leg hop distance compared to the Pre-PHVA group (P < 0.05). In the ALM group, the center of pressure during heel raising was distributed laterally in the Post-PHVA (P < 0.01), and the weightbearing dorsiflexion angle was decreased in the Mid-and Post-PHVA (P < 0.05). Conclusion:In the Post-PHVA young soccer players, decreased ankle dorsiflexion and eversion and increased one-leg hop distance were observed. The ALM group exhibited lateral loading during heel raising in the Post-PHVA group and decreased weight-bearing ankle dorsiflexion angle in the Mid-and Post-PHVA groups. The findings indicate the importance of secondary prevention of LAS and ultrasonography. Prospective studies of LAS in young athletes are required in the future.

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“…The function of the peroneus longus immediately before impact is important since the muscle should respond effectively to the inversion moment of the ankle as the foot impacts the ground [ 42 ]. A high activation level of the ankle evertor is essential in protecting the ankle at impact [ 43 ]. However, a flattening of the medial longitudinal arch occurs on contact, and thus the ankle invertor muscles (e.g., the tibialis anterior) eccentrically contract in order to control the foot and ankle complex.…”

Section: Discussionmentioning

confidence: 99%

Effects of Plyometric and Balance Training on Neuromuscular Control of Recreational Athletes with Functional Ankle Instability: A Randomized Controlled Laboratory Study

Huang

Jankaew

Lin

2021

IJERPH

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Plyometric exercise has been suggested for knee injury prevention in sports participation, but studies on ankle plyometric training are limited. This study aims to investigate the change of joint position sense and neuromuscular activity of the unstable ankle after six-week integrated balance/plyometric training and six-week plyometric training. Thirty recreational athletes with functional ankle instability were allocated into three groups: plyometric group (P) vs. plyometric integrated with balance training group (BP) vs. control group (C). Ankle joint position sense, integrated electromyography (EMG), and balance adjusting time during medial single-leg drop-landing tasks were measured before and after the training period. Following the six-week period, both training groups exhibited a lower absolute error in plantar flexion (P group: pre: 3.79° ± 1.98°, post: 2.20° ± 1.31°, p = 0.016; BP group: pre: 4.10° ± 1.87°, post: 2.94° ± 1.01°, p = 0.045), and the integrated group showed a lower absolute error in inversion angles (pre 2.24° ± 1.44° and post 1.48° ± 0.93°, p = 0.022), and an increased integrated EMG of ankle plantar flexors before landing. The plyometric group exhibited a higher integrated EMG of the tibialis anterior before and after landing (pre: 102.88 ± 20.93, post: 119.29 ± 38.33, p = 0.009 in post-landing) and a shorter adjusting time of the plantar flexor following landing as compared to the pre-training condition (pre: 2.85 ± 1.15 s, post: 1.87 ± 0.97 s, p = 0.006). In conclusion, both programs improved ankle joint position sense and muscle activation of the ankle plantar flexors during single-leg drop landing. The plyometric group showed a reduced adjusting time of the ankle plantar flexor following the impact from drop landing.

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High lateral plantar pressure is related to an increased tibialis anterior/fibularis longus activity ratio in patients with recurrent lateral ankle sprain

Cited by 11 publications

References 38 publications

Relationship between chronic ankle sprain instability and ultrasonographic evaluation of the peroneus during a single-leg standing task

Relationship between chronic ankle sprain instability and ultrasonographic evaluation of the peroneus during a single-leg standing task

Lateral Ankle Sprains and Their Association with Physical Function in Young Soccer Players

Effects of Plyometric and Balance Training on Neuromuscular Control of Recreational Athletes with Functional Ankle Instability: A Randomized Controlled Laboratory Study

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