Effectiveness of Deep Dry Needling on Muscle Tone in Healthy Subjects
Trial Snapshot
- Phase
- Not Applicable
- Status
- Completed
- Sponsor
- Enrollment
- 46
- Locations
- 1
- Primary Endpoint
- Change in Passive resistive torque to ankle dorsiflexion.
Study Overview
Brief Summary
The main objective of this study is to analyze the effect of dry needling of the soleus muscle to modulate muscle tone in healthy non-injured subjects. The secondary objective is to study if effects occur due to changes in the neural or mechanical component (or both).
Hypothesis: Deep Dry Needling of the latent medial Myofascial Trigger Point (MTrP) of the soleus muscle produces changes in muscle tone varying the passive resistance torque at a rate of 180º/ s.
Detailed Description
Methods:
It is a double-blinded randomized clinical trial where subjects are healthy volunteers from the city of Toledo between 18 and 40 years.
There will be an intervention group (dry needling into the medial MTrP of soleus muscle) and a control group (dry needling distal to the MTrP but into the taut muscle band of soleus muscle). The intervention will be a unique session.
Intervention:
Dry needling technique will be performed by locating the taut band and the Myofascial Trigger Point. After that, a thin needle (0,32x40mm) is introduced directly into a Myofascial Trigger Point with the aims to generate a "local twitch response" that are involuntary contractions of the muscle fibers. This puncture may reproduce patient's symptoms, and causes muscle relaxation to achieve at the same time the relief of muscle tension and pain and also to recover the metabolism of the muscle.
Study Design
- Study Type
- Interventional
- Allocation
- Randomized
- Intervention Model
- Parallel
- Primary Purpose
- Basic Science
- Masking
- Triple (Participant, Investigator, Outcomes Assessor)
Eligibility Criteria
- Ages
- 18 Years to 40 Years (Adult)
- Sex
- All
- Accepts Healthy Volunteers
- Yes
Inclusion Criteria
- •Age range 18-40 years.
- •Healthy volunteers.
- •Presence of a latent medial MTrP of the soleus muscle.
- •Being able to provide written informed consent.
- •Being able to follow instructions and realize clinical tests.
Exclusion Criteria
- •Any history of ipsilateral lower limb severe injury or intervention (e.g. fracture, surgical intervention).
- •Pain or musculoskeletal injury, ligament injury, tendonitis or plantar fasciitis in the ipsilateral leg for six months previous to the intervention.
- •Peripheral or central nervous system neurological disease.
- •Altered sensitivity in the treatment area.
- •Treatment of a myofascial trigger point in the sural triceps in the six months previous to the intervention.
- •Changes in physical activity which would have affected muscle tone during the study.
- •Fear of needles.
- •No tolerance to pain caused by dry needling.
- •No continuance commitment.
Arms & Interventions
Dry Needling into MTrPs.
Intervention-Dry Needling: Deep Dry Needing into the medial Myofascial Trigger Point of the soleus muscle.
Intervention: Intervention-Dry Needling (Device)
Dry Needling out of MTrPs.
Control-Dry Needling: Deep Dry Needling distal to Myofascial Trigger Point of the soleus muscle (in the same taut band).
Intervention: Control-Dry Needling (Device)
Outcomes
Primary Outcomes
Change in Passive resistive torque to ankle dorsiflexion.
Time Frame: Pre-intervention (Day 1); After intervention (Day 1); Follow up (1 week after intervention).
Passive resistive torque to ankle dorsiflexion at slow (10º/s) and fast (180º/s) velocities.
Change in Dorsiflexion passive range of motion.
Time Frame: Pre-intervention (Day 1); After intervention (Day 1); Follow up (1 week after intervention).
Soleus muscle extensibility (Dorsiflexion angle of ankle obtained by a force of 200 N and by the maximal tolerated force applied to gastrocnemius muscles).
Change in Ratio Hmax/Mmax.
Time Frame: Pre-intervention (Day 1); After intervention (Day 1); Follow up (1 week after intervention).
Ratio between maximal H-reflex and maximal M-wave.
Secondary Outcomes
- Change in H reflex.(Pre-intervention (Day 1); After intervention (Day 1); Follow up (1 week after intervention).)
- Change in M response.(Pre-intervention (Day 1); After intervention (Day 1); Follow up (1 week after intervention).)
- Change in Maximal voluntary isometric force.(Pre-intervention (Day 1); After intervention (Day 1); Follow up (1 week after intervention).)