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EUROPEAN JOURNAL OF PHYSICAL AND REHABILITATION MEDICINE

Rivista di Medicina Fisica e Riabilitativa dopo Eventi Patologici


Official Journal of the Italian Society of Physical and Rehabilitation Medicine (SIMFER), European Society of Physical and Rehabilitation Medicine (ESPRM), European Union of Medical Specialists - Physical and Rehabilitation Medicine Section (UEMS-PRM), Mediterranean Forum of Physical and Rehabilitation Medicine (MFPRM), Hellenic Society of Physical and Rehabilitation Medicine (EEFIAP)
In association with International Society of Physical and Rehabilitation Medicine (ISPRM)
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European Journal of Physical and Rehabilitation Medicine 2016 August;52(4):440-6

Copyright © 2016 EDIZIONI MINERVA MEDICA

lingua: Inglese

Effects of unstable shoes on trunk muscle activity and lumbar spine kinematics

Juan F. LISÓN 1, Padro PÉREZ-SORIANO 2, Salvador LLANA-BELLOCH 2, Daniel SÁNCHEZ-ZURIAGA 3, Pablo SALVADOR-COLOMA 1

1 Department of Physiotherapy, Faculty of Health Sciences, University CEU‑Cardenal Herrera, Valencia, Spain; 2 Department of Sport and Physical Education, University of Valencia, Valencia, Spain; 3 Department of Anatomy and Human Embryology Faculty of Medicine, University of Valencia, Valencia, Spain


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BACKGROUND: In patients with neuromuscular disease and a forced vital capacity (FVC) of <30% of the predictive value, scoliosis correction operation was Background. An unstable shoe was developed as a walking device to strengthen the lower extremity muscles and reduce joint loading. A large number of studies have reported increased electromyographic (EMG) activity throughout the gait cycle in most of the lower limb muscles, and significant kinematic changes in the lower extremity. However, no studies have investigated the effects of wearing unstable shoes on spine kinematics and trunk muscle activity during gait.
AIM: To compare trunk muscle activity and lumbar spine range of motion (ROM) during gait using an unstable shoe and a conventional stable control shoe.
DESIGN: Cross-sectional study.
SETTING: A Biomechanics laboratory.
POPULATION: Forty-eight healthy voluntary participants (24.5±5.6 years and 22.7±6.8 kg/m2).
METHODS: Subjects underwent gait analysis while simultaneously collecting surface EMG data of erector spinae (ES) and rectus abdominis (RA) and lumbar spine sagittal plane ROM while treadmill walking wearing regular shoes and unstable shoes.
RESULTS: The results showed that the unstable shoes resulted in significantly higher ES and RA EMG muscle activity levels in all gait phases compared to control shoes (P<0.001). In addition, the unstable shoe condition showed a significantly higher mean (mean difference: 3.1º; 95% CI 2.2º to 4º) and maximum (mean difference: 4.5º; 95% CI 2.6º to 6.5º) lumbar spine extension values (P<0.001).
CONCLUSIONS: Unstable shoes increase trunk muscle activity (ES, RA) and lumbar lordosis during gait compared to control shoes.
CLINICAL REHABILITATION IMPACT: Based on these findings, the use of unstable shoes may have potential implications in promoting spine tissue health, particularly in strengthening trunk muscles in healthy population or in low back pain treatment.

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Per citare questo articolo

Lisón JF, Pérez-Soriano P, Llana-Belloch S, Sánchez-Zuriaga D, Salvador-Coloma P. Effects of unstable shoes on trunk muscle activity and lumbar spine kinematics. Eur J Phys Rehabil Med 2016 August;52(4):440-6. 

Corresponding author e-mail

juanfran@uch.ceu.es