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

9. september 2026 oppdatert av: 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.

Studieoversikt

Status

Rekruttering

Forhold

Intervensjon / Behandling

Detaljert beskrivelse

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.

Studietype

Intervensjonell

Registrering (Antatt)

30

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studiesteder

  • Kina
    • Guangdong
      • Guangzhou, Guangdong, Kina, 510515
        • Rekruttering
        • Nanfang Hospital, Southern Medical University
        • Hovedetterforsker:
          • chao chen, PhD
        • Ta kontakt med:
          • YiJian Li, PhD
          • Telefonnummer: +86-20-62787238
          • E-post: nfyyec@163.com

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen

Tar imot friske frivillige

Ja

Beskrivelse

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

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Annen
  • Tildeling: Ikke-randomisert
  • Intervensjonsmodell: Crossover-oppdrag
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: 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.
Annen: 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.
Aktiv komparator: 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.
Annen: 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.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Root Mean Square Value
Tidsramme: 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.

Andre resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Integrated Electromyography
Tidsramme: 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.

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Nanfang Hospital, Southern Medical University

Etterforskere

  • Hovedetterforsker: chao chen, PhD, Nanfang Hospital, Southern Medical University

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Generelle publikasjoner

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

1. september 2026

Primær fullføring (Antatt)

1. mai 2027

Studiet fullført (Antatt)

1. mai 2027

Datoer for studieregistrering

Først innsendt

2. september 2026

Først innsendt som oppfylte QC-kriteriene

9. september 2026

Først lagt ut (Faktiske)

10. september 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

10. september 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

9. september 2026

Sist bekreftet

1. september 2026

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • NFEC-2026-561

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

IPD-planbeskrivelse

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.

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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