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Effectiveness of Combined Diaphragm Strengthening and Core Stability Exercises in Individuals With Lumbar Instability

25. juli 2026 oppdatert av: Ahmed Hesham abd el-Mawgoud, Cairo University
The purpose of this study is to compare the effect of combining diaphragmatic strengthening with core stability exercises versus core stability exercises alone on recovery time, pain, and stability in lumbar instability individuals.

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Detaljert beskrivelse

Lumbar instability is a common medical problem. There is a 50-70% chance of a person suffering from LBP during his or her lifetime having lumbar instability. It is often referred to as clinical spinal instability. Clinical spinal instability is controversial and poorly understood. Properly conducted clinical studies of patients with spinal pain and documented clinical instability would be good to explore this concept. However, pursuing such a course is difficult.

The diaphragm has a dual role in respiration and postural control. Evidence suggests that current core stability exercises for low back pain are superior to minimal or no treatment, however, no more beneficial than general exercises and/or manual therapy. There appears to be a higher focus on the transverses abdominis and multifidi muscles and minimal attention to the diaphragm.

We propose that any form of core stabilization exercises for low back pain rehabilitation should consider the diaphragm. Core stabilization program could commence with facilitation of normal breathing patterns and progressive systematic restoration of the postural control role of the diaphragm muscle.

So, the aim of this trial is to determine whether combining diaphragmatic strengthening exercises with core stability training leads to faster improvements in pain and instability in individuals with lumbar instability, compared to traditional core exercises alone.

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

Studer Kontakt Backup

  • Navn: Mona AbdelRaouf Moursy, PhD

Studiesteder

      • Cairo, Egypt
        • Outpatient clinic of the faculty of physical therapy, Cairo University
        • Ta kontakt med:

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

Nei

Beskrivelse

Inclusion Criteria:

  • Age between 25 and 35 years.
  • Positive prone instability test.
  • Straight leg raising >90 degrees.
  • Pain assessment on VAS >5/10.
  • All patients will suffer from clinical lumber instability (characterized by excessive movement in specific segments during active movement and posterior-anterior spring test causing large movements and pain)

Exclusion Criteria:

  • Patients with cardiovascular diseases.
  • Patients with cerebrovascular diseases.
  • Patients with neurological diseases.
  • Patients with any attention disorders or physical disability.
  • Patients with any diseases/conditions preventing physical activity participation.
  • Patients with history of back surgery, inflammatory spinal disorder, deformed vertebrae, fracture, or neurological radiating pain.
  • Patients with central obesity (A waist to hip ratio >0.90 in males or > 0.85 in females).

Studieplan

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

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Enkelt

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Combined diaphragm strengthening + Core stability exercises
It will include patients that will perform combined diaphragm strengthening and core stability exercises. The treatment program will be 45 minutes, 3 times a week, for 8 weeks.
Participants will receive supervised diaphragm strengthening exercises combined with core stability training, three sessions per week for 8 weeks (45 minutes/session). Diaphragm strengthening will be performed using an elastic TheraBand wrapped around the thoracolumbar junction to provide progressive inspiratory resistance, with intensity progressed according to the Borg Rating of Perceived Exertion (RPE: 11 during weeks 1-2, 13 during weeks 3-5, and 15 during weeks 6-8).
Participants will receive supervised core stability exercises only, three sessions per week for 8 weeks (45 minutes/session). The exercise program includes the abdominal drawing-in maneuver (ADIM), side-bridge, and quadruped exercises, with progressive increases in exercise difficulty every two weeks. Participants will perform the same exercise progression as the intervention group but without diaphragm strengthening or TheraBand resistance.
Aktiv komparator: Core stability exercises
It will include patients that will perform core stability exercises alone. The treatment program will be 45 minutes, 3 times a week, for 8 weeks.
Participants will receive supervised core stability exercises only, three sessions per week for 8 weeks (45 minutes/session). The exercise program includes the abdominal drawing-in maneuver (ADIM), side-bridge, and quadruped exercises, with progressive increases in exercise difficulty every two weeks. Participants will perform the same exercise progression as the intervention group but without diaphragm strengthening or TheraBand resistance.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Pain intensity assessed using the Visual Analogue Scale (VAS)
Tidsramme: 8 weeks
Pain intensity will be evaluated using a 10-cm Visual Analogue Scale (VAS), with scores ranging from 0 (no pain) to 10 (worst imaginable pain). Higher scores indicate greater pain intensity.
8 weeks
Pressure pain threshold assessed by pressure algometry
Tidsramme: 8 weeks
Pressure pain threshold will be measured over the lumbar paraspinal muscles using a handheld pressure algometer. Higher values indicate reduced pain sensitivity.
8 weeks

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Core muscle stability assessed using a Pressure Biofeedback Unit (PBU)
Tidsramme: 8 weeks
Core muscle stability will be assessed using a Pressure Biofeedback Unit during abdominal drawing-in tasks. Improved pressure control indicates better activation of the local stabilizing muscles.
8 weeks
Functional disability assessed using the Oswestry Disability Index (ODI)
Tidsramme: 8 weeks
Functional disability related to low back pain will be evaluated using the Oswestry Disability Index (ODI). Scores range from 0 to 100%, with higher scores indicating greater disability.
8 weeks

Samarbeidspartnere og etterforskere

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

Etterforskere

  • Studiestol: Ahmad Mahdi Ahmad, PhD, Professor, Cairo University
  • Studieleder: Maged Mohamed Samy Abouelsoud, PhD, Professor, Ain Shams University
  • Studieleder: Mona AbdelRaouf Moursy, Assist. Professor, Cairo University

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)

5. august 2026

Primær fullføring (Antatt)

5. desember 2026

Studiet fullført (Antatt)

12. desember 2026

Datoer for studieregistrering

Først innsendt

25. juli 2026

Først innsendt som oppfylte QC-kriteriene

25. juli 2026

Først lagt ut (Faktiske)

29. juli 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

29. juli 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

25. juli 2026

Sist bekreftet

1. juli 2026

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • P.T.REC/012/006064

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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