- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT07674784
Interventions to Enhance Quadriceps Output After ACLR
Clinical Interventions to Acutely Enhance Quadriceps Output After Anterior Cruciate Ligament Reconstruction
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Descrizione dettagliata
After a screening visit, participants will be randomized to 2 intervention conditions over 2, 60-minute visits at least 1 week apart where they will complete:
- a 5 minute low intensity warm-up on a stationary bike
- a series of patient-reported outcomes surveys
- a pre-intervention quadriceps performance assessment
the intervention condition, one each visit, either:
- ~20 minutes of NMES while completing rehabilitation exercises, OR
- ~20 minutes of hamstring muscle vibration
- a post-intervention quadriceps performance assessment
The primary objective of the study is to characterize the acute effects of interventions designed to mitigate the influence of inhibition (NMES and hamstrings muscle vibration) on quadriceps muscle performance in people post-anterior cruciate ligament reconstruction (ACLR) who have significant potential to benefit from these interventions (e.g. less than 4 months post-surgery).
- Specific Aim 1: To determine the acute effects of quadriceps NMES and hamstrings muscle vibration on quadriceps muscle performance in people 2-4 months post-ACLR
- Specific Aim 2: To determine if individuals with signs of more pronounced neural inhibition (quantified via assessment of knee extensor torque steadiness) have greater responses to NMES and hamstrings muscle vibration
Hypothesis 1: Quadriceps muscle strength will increase in people 2-4 months post-ACLR after 20 minutes of quadriceps NMES or hamstrings muscle vibration. The magnitude of increase in strength will be similar for both interventions.
Hypothesis 2: Surgical limb knee extensor torque steadiness will be strongly positively correlated with changes in quadriceps strength after NMES or hamstrings muscle vibration. People with greater steadiness impairments will demonstrate greater acute increases in quadriceps strength.
Tipo di studio
Iscrizione (Stimato)
Fase
- Non applicabile
Contatti e Sedi
Contatto studio
- Nome: Daniel Cobian, DPT, PhD
- Numero di telefono: 608-262-0013
- Email: cobian@ortho.wisc.edu
Luoghi di studio
-
-
Wisconsin
-
Madison, Wisconsin, Stati Uniti, 53706
- UW Health
-
-
Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Adulto
Accetta volontari sani
Descrizione
Inclusion Criteria:
- Have undergone ACLR within the previous 4 months
- Are at least 2 months post-ACLR
Exclusion Criteria:
- A history of ACLR on both legs
Since the most recent ACLR:
- secondary lower extremity surgery
- leg or foot fracture
- Unable to walk without an assistive device
- Pain of greater than 5/10 during quadriceps strengthening exercises with the surgical limb
- Cannot achieve 90 degrees of knee flexion with the surgical limb
- People with contraindications to NMES
- Anyone who had a previous skin reaction to NMES or attempted but could not tolerate NMES
- Peripheral neuropathy or other neurological conditions
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione incrociata
- Mascheramento: Nessuno (etichetta aperta)
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
|
Sperimentale: NMES then Vibration
|
The thigh of the surgical leg will be cleaned with isopropyl alcohol.
2.75" x 5" NMES electrodes (Dura-Stick Plus, Chattanooga, DJO Global, Dallas, TX) will be adhered to the proximal and distal aspects of the quadriceps muscles.
An FDA-approved portable neuromuscular electrical stimulator (Empi Continuum, DJO Global, Dallas, TX) will be utilized to deliver a biphasic square wave pulse (frequency 75 Hz, pulse width 300 µs) to the quadriceps of the surgical limb.
Participants will control both the amplitude of current delivered (0-100 mA) and the on/off timing of the stimulation via a wired control switch.
Participants will complete common post-ACLR rehabilitation exercises while NMES is delivered (total time for exercises is approximately 20 minutes).
Altri nomi:
Participants will sit in a comfortable position on a treatment plinth with knees flexed to ~30°, hips flexed between 30-60°, and the back supported.
The back of the thighs will rest on the vibration pads of a commercial vibration device (Thumper Versa Pro Massager, (Thumper Massager Inc., Markham, Ontario, CA).
Participants will sit at rest for 20 minutes while the vibration device provides a 30 Hz vibration with an amplitude of ~6 mm.
Altri nomi:
|
|
Sperimentale: Vibration then NMES
|
The thigh of the surgical leg will be cleaned with isopropyl alcohol.
2.75" x 5" NMES electrodes (Dura-Stick Plus, Chattanooga, DJO Global, Dallas, TX) will be adhered to the proximal and distal aspects of the quadriceps muscles.
An FDA-approved portable neuromuscular electrical stimulator (Empi Continuum, DJO Global, Dallas, TX) will be utilized to deliver a biphasic square wave pulse (frequency 75 Hz, pulse width 300 µs) to the quadriceps of the surgical limb.
Participants will control both the amplitude of current delivered (0-100 mA) and the on/off timing of the stimulation via a wired control switch.
Participants will complete common post-ACLR rehabilitation exercises while NMES is delivered (total time for exercises is approximately 20 minutes).
Altri nomi:
Participants will sit in a comfortable position on a treatment plinth with knees flexed to ~30°, hips flexed between 30-60°, and the back supported.
The back of the thighs will rest on the vibration pads of a commercial vibration device (Thumper Versa Pro Massager, (Thumper Massager Inc., Markham, Ontario, CA).
Participants will sit at rest for 20 minutes while the vibration device provides a 30 Hz vibration with an amplitude of ~6 mm.
Altri nomi:
|
Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Lasso di tempo |
|---|---|
|
Change in knee extensor peak torque production
Lasso di tempo: measured pre-intervention and post-intervention during each of 2, 1-hour study visits, data collection complete within 3 weeks
|
measured pre-intervention and post-intervention during each of 2, 1-hour study visits, data collection complete within 3 weeks
|
Misure di risultato secondarie
Misura del risultato |
Lasso di tempo |
|---|---|
|
Change in knee extensor torque steadiness
Lasso di tempo: measured pre-intervention and post-intervention during each of 2, 1-hour study visits, data collection complete within 3 weeks
|
measured pre-intervention and post-intervention during each of 2, 1-hour study visits, data collection complete within 3 weeks
|
Collaboratori e investigatori
Sponsor
Investigatori
- Investigatore principale: Daniel Cobian, DPT, PhD, University of Wisconsin, Madison
Studiare le date dei record
Studia le date principali
Inizio studio (Stimato)
Completamento primario (Stimato)
Completamento dello studio (Stimato)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Altri numeri di identificazione dello studio
- 2026-0153
- Protocol Version 10/24/25 (Altro identificatore: UW Madison)
- SMPH | Ortho and Rehab (Altro identificatore: UW Madison)
Piano per i dati dei singoli partecipanti (IPD)
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Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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