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Plantar Stimulation, Whole-Body Vibration, and Baduanjin for Muscle Activation

9 de septiembre de 2026 actualizado por: Nanfang Hospital, Southern Medical University

Study on the Activation Effect of Vibration Training Under Plantar Stimulation and Baduanjin on Lower Limb Muscles

This study will examine how different short-term exercise and vibration conditions affect lower-limb muscle activity in young adults with flat feet and young adults with normal feet.

Participants will complete several conditions, including whole-body vibration, whole-body vibration combined with plantar stimulation under different areas of the foot, and a Baduanjin heel-raise exercise. Surface electromyography sensors will be placed on the skin over selected lower-limb muscles to record muscle activity before and during each condition. Each participant will complete all study conditions in a balanced order.

This study does not aim to treat flat feet or evaluate long-term clinical benefits. The purpose is to collect preliminary information on immediate muscle activation and foot discomfort, which may help design future studies on foot-related exercise, plantar stimulation, and rehabilitation training.

Descripción general del estudio

Estado

Reclutamiento

Condiciones

Intervención / Tratamiento

Descripción detallada

This is a prospective, exploratory, self-controlled crossover study designed to investigate the immediate effects of different exercise and vibration-based conditions on lower-limb muscle activation.

Flat feet may be associated not only with structural changes of the foot arch, but also with altered neuromuscular control of the lower limb. Whole-body vibration provides a standardized mechanical stimulus, while Baduanjin heel-raise exercise represents an active movement-based training condition. Because the plantar surface is an important sensory input area, this study will also examine whether adding regional plantar stimulation to whole-body vibration produces different muscle activation patterns compared with whole-body vibration alone.

Participants will be classified as having flat feet or normal feet based on foot type assessment. Each participant will complete all study conditions in a balanced order, including whole-body vibration alone, whole-body vibration combined with stimulation of different plantar regions, and Baduanjin heel-raise exercise. Surface electromyography will be used to record lower-limb muscle activity before and during each condition.

This study is not designed to evaluate treatment efficacy or long-term clinical outcomes. Its purpose is to collect preliminary mechanistic data on immediate neuromuscular responses, which may inform future studies on plantar stimulation, vibration training, and individualized rehabilitation strategies.

Tipo de estudio

Intervencionista

Inscripción (Estimado)

30

Fase

  • No aplica

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Estudio Contacto

  • Nombre: chao chen, PhD
  • Número de teléfono: +86-20-62787238
  • Correo electrónico: chenchao@smu.edu.cn

Ubicaciones de estudio

  • Porcelana
    • Guangdong
      • Guangzhou, Guangdong, Porcelana, 510515
        • Reclutamiento
        • Nanfang Hospital, Southern Medical University
        • Investigador principal:
          • chao chen, PhD
        • Contacto:
          • YiJian Li, PhD
          • Número de teléfono: +86-20-62787238
          • Correo electrónico: nfyyec@163.com

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

  • Adulto

Acepta Voluntarios Saludables

Sí

Descripción

Inclusion Criteria:

  1. College students aged 18 to 25, regardless of gender
  2. agree to participate in the study and voluntarily sign the informed consent form
  3. and are deemed suitable to participate in this study by the researchers.

Exclusion Criteria:

  1. Persons with severe cardiovascular diseases, motor dysfunction or cognitive disorders
  2. persons who have suffered severe trauma or been hospitalized recently and are unsuitable for exercise testing
  3. persons with congenital lower limb or spinal deformities affecting foot posture other than flatfoot
  4. persons with a medical history of muscular, neurological or skeletal system disorders affecting foot posture other than flatfoot
  5. persons deemed ineligible to participate in this study by the investigators

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

  • Propósito principal: Otro
  • Asignación: No aleatorizado
  • Modelo Intervencionista: Asignación cruzada
  • Enmascaramiento: Ninguno (etiqueta abierta)

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Experimental: Flatfoot Group

Participants will complete three types of study conditions. In the whole-body vibration (WBV) condition, they will stand barefoot at the center of the vibration platform with feet about 20 cm apart, knees flexed at 20°-25°, arms relaxed, head and neck neutral, eyes forward, and body weight evenly distributed. WBV will be delivered at 20 Hz and 2 mm for 60 seconds.

For WBV plus regional plantar stimulation, the same posture and WBV parameters will be used. A plantar stimulation module will be placed on the platform, and participants will position the assigned plantar region on the module. Four regions will be stimulated separately: toe region, metatarsal head region, medial plantar/tibial-side region, and lateral plantar/fibular-side region. Each condition will last 60 seconds.

For the Baduanjin condition, participants will perform the "Bei Hou Qi Dian Bai Bing Xiao" heel-raise movement under professional guidance, with 6 repetitions completed within 60 seconds.
Otro: Whole-body Vibration Training,Whole-Body Vibration With Regional Plantar Stimulation,Baduanjin
Participants will complete three types of intervention conditions. In the whole-body vibration condition, participants will stand barefoot on a vibration platform with feet about 20 cm apart and knees flexed at 20°-25°. Vibration will be delivered at 20 Hz and 2 mm for 60 seconds. In the whole-body vibration with regional plantar stimulation condition, the same vibration parameters and posture will be used, while a plantar stimulation module is placed on the platform. Four plantar regions will be stimulated separately: the toe region, metatarsal head region, medial plantar region, and lateral plantar region. In the Baduanjin condition, participants will perform a heel-raise movement derived from Baduanjin under professional guidance, completing six repetitions within 60 seconds.
Comparador activo: Normal Foot Group

Participants will complete three types of study conditions. In the whole-body vibration (WBV) condition, they will stand barefoot at the center of the vibration platform with feet about 20 cm apart, knees flexed at 20°-25°, arms relaxed, head and neck neutral, eyes forward, and body weight evenly distributed. WBV will be delivered at 20 Hz and 2 mm for 60 seconds.

For WBV plus regional plantar stimulation, the same posture and WBV parameters will be used. A plantar stimulation module will be placed on the platform, and participants will position the assigned plantar region on the module. Four regions will be stimulated separately: toe region, metatarsal head region, medial plantar/tibial-side region, and lateral plantar/fibular-side region. Each condition will last 60 seconds.

For the Baduanjin condition, participants will perform the "Bei Hou Qi Dian Bai Bing Xiao" heel-raise movement under professional guidance, with 6 repetitions completed within 60 seconds.
Otro: Whole-body Vibration Training,Whole-Body Vibration With Regional Plantar Stimulation,Baduanjin
Participants will complete three types of intervention conditions. In the whole-body vibration condition, participants will stand barefoot on a vibration platform with feet about 20 cm apart and knees flexed at 20°-25°. Vibration will be delivered at 20 Hz and 2 mm for 60 seconds. In the whole-body vibration with regional plantar stimulation condition, the same vibration parameters and posture will be used, while a plantar stimulation module is placed on the platform. Four plantar regions will be stimulated separately: the toe region, metatarsal head region, medial plantar region, and lateral plantar region. In the Baduanjin condition, participants will perform a heel-raise movement derived from Baduanjin under professional guidance, completing six repetitions within 60 seconds.

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Root Mean Square Value
Periodo de tiempo: Day 1: from the resting baseline immediately before each intervention condition through completion of that intervention condition.
Electrodes were placed per SENIAM standards (2000 Hz sampling, 20-450 Hz band-pass and 50 Hz band-stop filtering). Data were collected during a 30 s resting baseline and the 30-60 s stable phase of intervention. After offline full-wave rectification, RMS was calculated using a 200 ms sliding window (100 ms step). Mean RMS within each epoch was adopted as the representative value.
Day 1: from the resting baseline immediately before each intervention condition through completion of that intervention condition.

Otras medidas de resultado

Medida de resultado
Medida Descripción
Periodo de tiempo
Integrated Electromyography
Periodo de tiempo: Day 1: from the resting baseline immediately before each intervention condition through completion of that intervention condition.
discharge during the resting baseline phase (stable signals for 60 consecutive seconds) before each intervention mode and the entire intervention period (60 seconds) during intervention, namely the area under the curve of electromyographic signals after full-wave rectification, which reflects the overall activation level.
Day 1: from the resting baseline immediately before each intervention condition through completion of that intervention condition.

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Nanfang Hospital, Southern Medical University

Investigadores

  • Investigador principal: chao chen, PhD, Nanfang Hospital, Southern Medical University

Publicaciones y enlaces útiles

La persona responsable de ingresar información sobre el estudio proporciona voluntariamente estas publicaciones. Estos pueden ser sobre cualquier cosa relacionada con el estudio.

Publicaciones Generales

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio (Estimado)

1 de septiembre de 2026

Finalización primaria (Estimado)

1 de mayo de 2027

Finalización del estudio (Estimado)

1 de mayo de 2027

Fechas de registro del estudio

Enviado por primera vez

2 de septiembre de 2026

Primero enviado que cumplió con los criterios de control de calidad

9 de septiembre de 2026

Publicado por primera vez (Actual)

10 de septiembre de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

10 de septiembre de 2026

Última actualización enviada que cumplió con los criterios de control de calidad

9 de septiembre de 2026

Última verificación

1 de septiembre de 2026

Más información

Términos relacionados con este estudio

Palabras clave

Términos MeSH relevantes adicionales

Otros números de identificación del estudio

  • NFEC-2026-561

Plan de datos de participantes individuales (IPD)

¿Planea compartir datos de participantes individuales (IPD)?

NO

Descripción del plan IPD

Individual-participant data will not be shared publicly due to participant privacy protection requirements, and the informed consent does not include provisions for open data sharing.

Información sobre medicamentos y dispositivos, documentos del estudio

Estudia un producto farmacéutico regulado por la FDA de EE. UU.

No

Estudia un producto de dispositivo regulado por la FDA de EE. UU.

No

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .

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