دورية أكاديمية
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Selective orthotic constraint of lower limb movement during walking reveals new insights into neuromuscular adaptation.

التفاصيل البيبلوغرافية
العنوان: Selective orthotic constraint of lower limb movement during walking reveals new insights into neuromuscular adaptation.
المؤلفون: Hovorka CF; Department of Rehabilitation Medicine, Center for the Intrepid, Brooke Army Medical Center, San Antonio, TX, United States.; Defense Health Agency, Falls Church, VA, United States.; Oak Ridge Institute for Science and Education, Oak Ridge, TN, United States., Kogler GF; Clinical Biomechanics Laboratory, Kennesaw State University, Kennesaw, GA, United States., Chang YH; School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA, United States., Gregor RJ; School of Integrated Health Sciences, University of Nevada Las Vegas, Las Vegas, NV, United States.
المصدر: Frontiers in rehabilitation sciences [Front Rehabil Sci] 2024 Jun 27; Vol. 5, pp. 1354115. Date of Electronic Publication: 2024 Jun 27 (Print Publication: 2024).
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Frontiers Country of Publication: Switzerland NLM ID: 9918227358906676 Publication Model: eCollection Cited Medium: Internet ISSN: 2673-6861 (Electronic) Linking ISSN: 26736861 NLM ISO Abbreviation: Front Rehabil Sci Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: Lausanne : Frontiers, [2020]-
مستخلص: Introduction: A concern expressed by the clinical community is that the constraint of motion provided by an ankle foot orthosis (AFO) may lead the user to become dependent on its stiffness, leading to learned non-use. To examine this, we hypothesized that using an experimental AFO-footwear combination (exAFO-FC) that constrains ankle motion during walking would result in reduced soleus and tibialis anterior EMG compared to free (exAFO-FC) and control (no AFO, footwear only) conditions.
Method: A total of 14 healthy subjects walked at their preferred speed (1.34 ± 0.09 m·s-1) for 15 min, in three conditions, namely, control, free, and stop.
Results: During the stance phase of walking in the stop condition, ipsilateral soleus integrated EMG (iEMG) declined linearly, culminating in a 32.1% reduction compared to the control condition in the final 5 min interval of the protocol. In contrast, ipsilateral tibialis anterior iEMG declined in a variable fashion culminating in an 11.2% reduction compared to control in the final 5 min interval. During the swing phase, the tibialis anterior iEMG increased by 6.6% compared to the control condition during the final 5 min interval. The contralateral soleus and tibialis anterior exhibited increased iEMG in the stop condition.
Discussion: An AFO-FC functions as a biomechanical motion control device that influences the neural control system and alters the output of muscles experiencing constraints of motion.
Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
(© 2024 Hovorka, Kogler, Chang and Gregor.)
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فهرسة مساهمة: Keywords: ankle foot orthosis; footwear; neuromuscular; soleus; tibialis anterior
تواريخ الأحداث: Date Created: 20240712 Latest Revision: 20240714
رمز التحديث: 20240714
مُعرف محوري في PubMed: PMC11236798
DOI: 10.3389/fresc.2024.1354115
PMID: 38994331
قاعدة البيانات: MEDLINE
الوصف
تدمد:2673-6861
DOI:10.3389/fresc.2024.1354115