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Plyometrics for Strength and Function After Pediatric Burns

sunnuntai 10. toukokuuta 2026 päivittänyt: Maged Basha, Qassim University

Rebuilding Capacity With Plyometrics: A Novel and Potent Stimulus for Strength and Power, and Functional Performance in Pediatric Post-Burn Population

Pediatric burn survivors may experience persistent deficits in lower-limb strength, explosive power, and functional performance after hospital discharge. This randomized controlled trial evaluated whether a 12-week supervised plyometric training program improves lower-extremity muscle strength, power, and functional capacity compared with a standard exercise program in children and adolescents with severe burn injuries.

Tutkimuksen yleiskatsaus

Tila

Valmis

Ehdot

Interventio / Hoito

Yksityiskohtainen kuvaus

This two-arm, parallel-group, single-blind randomized controlled trial included 62 pediatric burn survivors aged 10-18 years with severe burns involving ≥30% total body surface area and lower-limb involvement. Participants were recruited 6-12 months after hospital discharge and randomly allocated in a 1:1 ratio to either plyometric training or standard exercise.

Both groups received supervised exercise twice weekly for 12 weeks. The experimental group completed progressive plyometric exercises designed to enhance lower-extremity explosive power and dynamic functional mobility. The control group received standard post-discharge rehabilitation focused on flexibility, aerobic conditioning, mobility, and basic strengthening. Outcomes were assessed at baseline and immediately after the 12-week intervention by blinded assessors.

Opintotyyppi

Interventio

Ilmoittautuminen (Todellinen)

62

Vaihe

  • Ei sovellettavissa

Yhteystiedot ja paikat

Tässä osiossa on tutkimuksen suorittajien yhteystiedot ja tiedot siitä, missä tämä tutkimus suoritetaan.

Opiskelupaikat

  • Saudi-Arabia
      • Al Kharj, Saudi-Arabia
        • Prince Sattam Bin Abdulaziz University

Osallistumiskriteerit

Tutkijat etsivät ihmisiä, jotka sopivat tiettyyn kuvaukseen, jota kutsutaan kelpoisuuskriteereiksi. Joitakin esimerkkejä näistä kriteereistä ovat henkilön yleinen terveydentila tai aiemmat hoidot.

Kelpoisuusvaatimukset

Opintokelpoiset iät

  • Lapsi
  • Aikuinen

Hyväksyy terveitä vapaaehtoisia

Ei

Kuvaus

Inclusion Criteria:

  • Children and adolescents aged 10-18 years at the time of enrolment.
  • History of severe burn injury involving ≥30% total body surface area (TBSA), with lower-extremity involvement.
  • Between 6 and 12 months post-hospital discharge.
  • Ability to understand study instructions and safely perform the prescribed exercise program.

Exclusion Criteria:

  • Pre-existing neurological or musculoskeletal disorders that may affect lower-limb function or study outcomes.
  • Severe lower-limb joint contracture limiting functional movement.
  • Cognitive impairment preventing understanding of instructions or reliable participation.
  • Participation in another structured exercise, rehabilitation, or physical therapy program outside the study protocol during the trial period.

Opintosuunnitelma

Tässä osiossa on tietoja tutkimussuunnitelmasta, mukaan lukien kuinka tutkimus on suunniteltu ja mitä tutkimuksella mitataan.

Miten tutkimus on suunniteltu?

Suunnittelun yksityiskohdat

  • Ensisijainen käyttötarkoitus: Hoito
  • Jako: Satunnaistettu
  • Inventiomalli: Rinnakkaistehtävä
  • Naamiointi: Yksittäinen

Aseet ja interventiot

Osallistujaryhmä / Arm
Interventio / Hoito
Kokeellinen: Plyometric Training Group
Participants received a 12-week supervised plyometric training program, twice weekly, with each session lasting 45 minutes. Sessions included dynamic warm-up, progressive plyometric exercises targeting vertical and horizontal force production, and cool-down.
Muut: Plyometric Training
Participants in the plyometric training group will receive a 12-week supervised program, with each session lasting 45 minutes and designed to improve lower-extremity explosive power and dynamic functional mobility. Sessions will include a 5-minute dynamic warm-up, 35 minutes of progressive plyometric exercises targeting vertical and horizontal force production, and a 5-minute cool-down. Training will be individually supervised with safety measures including shock-absorbing flooring, cushioned footwear, technique monitoring, and standardized rest intervals.
Muut nimet:
  • Plyo-Tr group
Active Comparator: Standard Exercise Group
Participants received a 12-week supervised standard exercise program, twice weekly, with each session lasting 45 minutes. Sessions focused on flexibility, aerobic conditioning, mobility, and basic lower-limb strengthening.
Muut: Standard Exercise Program
Participants in the control group will receive a 12-week supervised program, with each session lasting 45 minutes post-discharge burn rehabilitation program focusing on mobility, flexibility, aerobic conditioning, and basic lower-limb strengthening. Sessions will include warm-up, stretching, moderate-intensity aerobic exercise at 50-70% of age-predicted maximum heart rate, strengthening exercises, and cool-down, with progression based on participant tolerance.
Muut nimet:
  • Ohjausinterventio

Mitä tutkimuksessa mitataan?

Ensisijaiset tulostoimenpiteet

Tulosmittaus
Toimenpiteen kuvaus
Aikaikkuna
Lower-Limb Muscle Strength
Aikaikkuna: pre-intervention (Week 0)
Quadriceps and hamstring strength will be assessed using an isokinetic dynamometer. After standardized positioning, stabilization, warm-up, and familiarization, participants will perform five maximal reciprocal knee extension/flexion repetitions. The highest peak torque value (Nm) for hamstrings and quadriceps will be recorded.
pre-intervention (Week 0)
Lower-Limb Muscle Strength
Aikaikkuna: immediately post-intervention (Week 12)
Quadriceps and hamstring strength will be assessed using an isokinetic dynamometer. After standardized positioning, stabilization, warm-up, and familiarization, participants will perform five maximal reciprocal knee extension/flexion repetitions. The highest peak torque value (Nm) for hamstrings and quadriceps will be recorded.
immediately post-intervention (Week 12)

Toissijaiset tulostoimenpiteet

Tulosmittaus
Toimenpiteen kuvaus
Aikaikkuna
Vertical Jump Height
Aikaikkuna: pre-intervention (Week 0)
Vertical Jump Test: Lower-limb explosive power will be assessed using a vertical jump performed on a force plate. Participants will jump maximally with hands on hips to minimize arm contribution, completing three trials with 60 seconds of rest between trials. The highest jump height will be recorded in centimeters.
pre-intervention (Week 0)
Vertical Jump Height
Aikaikkuna: immediately post-intervention (Week 12)
Vertical Jump Test: Lower-limb explosive power will be assessed using a vertical jump performed on a force plate. Participants will jump maximally with hands on hips to minimize arm contribution, completing three trials with 60 seconds of rest between trials. The highest jump height will be recorded in centimeters.
immediately post-intervention (Week 12)
Broad Jump Distance
Aikaikkuna: pre-intervention (Week 0)
Horizontal lower-limb power and dynamic leg strength will be assessed using the broad jump test. Participants will perform three maximal two-footed forward jumps from a marked starting line, with 60 seconds of rest between trials. The longest distance, measured from the starting line to the rearmost landing point, will be recorded in centimeters.
pre-intervention (Week 0)
Broad Jump Distance
Aikaikkuna: immediately post-intervention (Week 12)
Horizontal lower-limb power and dynamic leg strength will be assessed using the broad jump test. Participants will perform three maximal two-footed forward jumps from a marked starting line, with 60 seconds of rest between trials. The longest distance, measured from the starting line to the rearmost landing point, will be recorded in centimeters.
immediately post-intervention (Week 12)
Reactive Strength Index
Aikaikkuna: pre-intervention (Week 0)
Reactive strength will be assessed using a drop jump from a 30-cm box onto a force plate. Three trials will be performed with 60 seconds of rest, and the highest reactive strength index value, calculated as jump height divided by ground contact time, will be recorded.
pre-intervention (Week 0)
Reactive Strength Index
Aikaikkuna: immediately post-intervention (Week 12)
Reactive strength will be assessed using a drop jump from a 30-cm box onto a force plate. Three trials will be performed with 60 seconds of rest, and the highest reactive strength index value, calculated as jump height divided by ground contact time, will be recorded.
immediately post-intervention (Week 12)
Lower Extremity Functional Scale Score
Aikaikkuna: pre-intervention (Week 0)
Lower-limb functional ability will be assessed using the 20-item Lower Extremity Functional Scale, which evaluates perceived difficulty in activities such as walking, running, stair climbing, and squatting. Each item is scored from 0 to 4, with a total score ranging from 0 to 80. Higher scores indicate better functional capacity.
pre-intervention (Week 0)
Lower Extremity Functional Scale Score
Aikaikkuna: immediately post-intervention (Week 12)
Lower-limb functional ability will be assessed using the 20-item Lower Extremity Functional Scale, which evaluates perceived difficulty in activities such as walking, running, stair climbing, and squatting. Each item is scored from 0 to 4, with a total score ranging from 0 to 80. Higher scores indicate better functional capacity.
immediately post-intervention (Week 12)
Six-Minute Walk Test Distance
Aikaikkuna: pre-intervention (Week 0)
Functional exercise capacity will be assessed using the Six-Minute Walk Test performed along a 30-meter indoor corridor according to standardized guidelines. Participants will be instructed to walk as far as possible, without running, within six minutes, and the total distance covered will be recorded in meters.
pre-intervention (Week 0)
Six-Minute Walk Test Distance
Aikaikkuna: immediately post-intervention (Week 12)
Functional exercise capacity will be assessed using the Six-Minute Walk Test performed along a 30-meter indoor corridor according to standardized guidelines. Participants will be instructed to walk as far as possible, without running, within six minutes, and the total distance covered will be recorded in meters.
immediately post-intervention (Week 12)
Timed Up and Down Stairs Performance
Aikaikkuna: pre-intervention (Week 0)
Lower-limb power, agility, and dynamic balance will be assessed using the Timed Up and Down Stairs test. Participants will ascend and descend 10 standard stairs as quickly and safely as possible, with two trials performed and the fastest time recorded in seconds.
pre-intervention (Week 0)
Timed Up and Down Stairs Performance
Aikaikkuna: immediately post-intervention (Week 12)
Lower-limb power, agility, and dynamic balance will be assessed using the Timed Up and Down Stairs test. Participants will ascend and descend 10 standard stairs as quickly and safely as possible, with two trials performed and the fastest time recorded in seconds.
immediately post-intervention (Week 12)
4×10-Meter Shuttle Run Time
Aikaikkuna: pre-intervention (Week 0)
Agility and speed will be assessed using the 4×10-meter shuttle run test. Participants will run back and forth between two cones placed 10 meters apart, completing four 10-meter segments for a total distance of 40 meters. Two trials will be performed, and the fastest completion time will be recorded in seconds.
pre-intervention (Week 0)
4×10-Meter Shuttle Run Time
Aikaikkuna: immediately post-intervention (Week 12)
Agility and speed will be assessed using the 4×10-meter shuttle run test. Participants will run back and forth between two cones placed 10 meters apart, completing four 10-meter segments for a total distance of 40 meters. Two trials will be performed, and the fastest completion time will be recorded in seconds.
immediately post-intervention (Week 12)
Figure-of-8 Walk/Run Test Time
Aikaikkuna: pre-intervention (Week 0)
Dynamic balance, agility, and coordination will be assessed using the Figure-of-8 Walk/Run Test. Participants will complete two full loops around two cones placed 5 meters apart as quickly as possible. Two trials will be performed, and the fastest completion time will be recorded in seconds.
pre-intervention (Week 0)
Figure-of-8 Walk/Run Test Time
Aikaikkuna: immediately post-intervention (Week 12)
Dynamic balance, agility, and coordination will be assessed using the Figure-of-8 Walk/Run Test. Participants will complete two full loops around two cones placed 5 meters apart as quickly as possible. Two trials will be performed, and the fastest completion time will be recorded in seconds.
immediately post-intervention (Week 12)

Yhteistyökumppanit ja tutkijat

Täältä löydät tähän tutkimukseen osallistuvat ihmiset ja organisaatiot.

Sponsori

Qassim University

Yhteistyökumppanit

Prince Sattam Bin Abdulaziz University

Tutkijat

  • Opintojohtaja: Maged A Basha, PhD, Qassim University

Julkaisuja ja hyödyllisiä linkkejä

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Yleiset julkaisut

Opintojen ennätyspäivät

Nämä päivämäärät seuraavat ClinicalTrials.gov-sivustolle lähetettyjen tutkimustietueiden ja yhteenvetojen edistymistä. National Library of Medicine (NLM) tarkistaa tutkimustiedot ja raportoidut tulokset varmistaakseen, että ne täyttävät tietyt laadunvalvontastandardit, ennen kuin ne julkaistaan ​​julkisella verkkosivustolla.

Opi tärkeimmät päivämäärät

Opiskelun aloitus (Todellinen)

Maanantai 1. huhtikuuta 2024

Ensisijainen valmistuminen (Todellinen)

Tiistai 25. maaliskuuta 2025

Opintojen valmistuminen (Todellinen)

Tiistai 25. maaliskuuta 2025

Opintoihin ilmoittautumispäivät

Ensimmäinen lähetetty

Sunnuntai 10. toukokuuta 2026

Ensimmäinen toimitettu, joka täytti QC-kriteerit

Sunnuntai 10. toukokuuta 2026

Ensimmäinen Lähetetty (Todellinen)

Perjantai 15. toukokuuta 2026

Tutkimustietojen päivitykset

Viimeisin päivitys julkaistu (Todellinen)

Perjantai 15. toukokuuta 2026

Viimeisin lähetetty päivitys, joka täytti QC-kriteerit

Sunnuntai 10. toukokuuta 2026

Viimeksi vahvistettu

Perjantai 1. toukokuuta 2026

Lisää tietoa

Tähän tutkimukseen liittyvät termit

Avainsanat

Muita asiaankuuluvia MeSH-ehtoja

Muut tutkimustunnusnumerot

  • 2024-RHPT-017

Yksittäisten osallistujien tietojen suunnitelma (IPD)

Aiotko jakaa yksittäisten osallistujien tietoja (IPD)?

JOO

IPD-suunnitelman kuvaus

De-identified individual participant data supporting the published results will be available from the corresponding author upon reasonable request.

IPD-jaon aikakehys

6 months after publication

IPD-jaon käyttöoikeuskriteerit

Requests will be reviewed for scientific relevance, methodological quality, and approval by all co-authors. Data will be shared after approval and, if required, completion of a data-sharing agreement.

IPD-jakamista tukeva tietotyyppi

  • STUDY_PROTOCOL

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Ei

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