- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT01153022
Effect of Joint Mobilization on Alpha Motoneuron Reflex Excitability (JM-HRreflex)
Effect of Joint Mobilization on Alpha Motoneuron Reflex Excitability in People With Spasticity: Controlled Clinical Trial
Objective: To determine the effect of ankle joint mobilization on the alpha motoneuron reflex excitability of the soleus muscle in people with spasticity.
Subjects and Methods: A controlled clinical trial with crossover design and simple masking was conducted in 24 randomized subjects to initiate the control or experimental group. Traction and rhythmic oscillation were applied for five minutes to the ankle joint. Alpha motoneuron reflex excitability was assessed by measuring H wave amplitude (Hoffmann reflex - H reflex), stimulating the tibial nerve at the level of the popliteal fossa and recording in the soleus muscle. In each subject 12 measurements were taken: basal rate, during and after mobilization. Changes in alpha motoneuron reflex excitability were calculated in relation to basal measurement. For each measurement a hypothesis test was performed (Student t test).
Results: In groups of patients with brain injury (BI) and incomplete spinal cord injury (ISCI), a significant difference was found between measurements of both studies, concerning variation in alpha motoneuron reflex excitability during the application of joint mobilization techniques, with a decrease in the experimental group and an increase in the control group. In contrast, no significant differences were found after mobilization therapy. Patients with complete spinal cord injury (CSCI) showed no significant differences in any measurements.
Conclusion: We demonstrate the effectiveness of passive movement in the decrease of muscle tone during the mobilization maneuver in patients with BI or ISCI, but no residual effect after completion of the trial. This research project showed no evidence regarding spasticity reduction in complete spinal cord injuries. This suggests that therapeutic interventions to decrease muscle tone, based on the passive exercise and stimulation of proprioceptors should be reconsidered.
Studieoversigt
Status
Betingelser
Intervention / Behandling
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
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Caldas
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Manizales, Caldas, Colombia
- UAM
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion criteria:
- people over 18 years old
- spasticity acquired after five years of age
- any etiology
- any location of the injury
Patients were instructed not to consume coffee, cigarettes or energy drinks 24 hours prior to the study nor participate in excessive physical exercise during the day.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Crossover opgave
- Maskning: Enkelt
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
H reflex
Tidsramme: Twelve measurements were performed for each patient: basal rate (0), during joint mobilization (1, 3 and 5 minutes) and after the completion of joint mobilization (1, 3, 5, 10, 15, 20, 25 and 30 minutes)
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The Hoffmann reflex is an electrically induced reflex, analogous to the myotatic reflex that is mechanically triggered by stretching the neuromuscular spindle.
In contrast, the H reflex stimulates the Ia fiber at the peripheral nerve level.
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Twelve measurements were performed for each patient: basal rate (0), during joint mobilization (1, 3 and 5 minutes) and after the completion of joint mobilization (1, 3, 5, 10, 15, 20, 25 and 30 minutes)
|
Samarbejdspartnere og efterforskere
Efterforskere
- Ledende efterforsker: Julio E Pérez, Master, Universidad Autónoma de Manizales
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- CT01UAM-H reflex
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