RecruitingACTRN12616000386437

Dry needling effects on muscle recruitment pattern and motor control in basketball players with functional ankle instability

Sponsor

Universidad de Alcala

Enrollment

28 participants

Start Date

Mar 28, 2016

Study Type

Interventional

Conditions

Functional ankle instability

Summary

The main objective of this study is to determine whether dry needling of myofascial trigger points on the muscles of ankle joint improves recruitment pattern and muscle reaction time as well as motor control in basketball players suffering from functional ankle instability. The results of this study aim to propose a fast, inexpensive and effective therapy for the treatment of this type of injury in basketball players. Subjects included in the final sample will have to meet some inclusion and exclusion criteria such as: playing basketball, history of, at least, 1 significant ankle sprain, history of previous twist ("giving away") episodes, recurrent sprains and/or feeling of ankle joint instability; as well as confirming confirming the absence of any surgery on the lower limbs or lower limbs injuries occurred in the previous three months, vestibular and neurological disorders and feeling pain in other areas at the same time of evaluation. Sample will be divided into two groups and subjects will be randomly assigned to any of them. The first group will receive a dry needling in two muscles of the leg (fibularis longus and tibialis anterior muscles) and another group (control group or placebo group) will receive a placebo dry needling. In this case, the needle will not reach the target muscles, but it will only stay on skin surface. Electromyograpic outcomes will be assessed together with motor control tests, by using a centre of pressures measurement platform. This tasks will be performed just before and inmediately, 48 hours and 1 month after intervention. Data will include: muscle reaction time and recruitment pattern of the mentioned muscles as well as displacement area, displacement velocity of the centre of pressures and sway varibility. Finally subjects daily life tasks related to foot and ankle dysfunctions will be assessed, but in this case, a validated questionnare before the intervention and after the last assessment will be used. This questionnare is known as Foot and Ankle Ability Measure (FAAM).

Eligibility

Sex: Both males and femalesMin Age: 18 Yearss

Plain Language Summary

Simplified for easier understanding

This study is looking at whether a treatment called dry needling can help basketball players who have ankle instability — meaning their ankle feels weak, gives way, or has been sprained multiple times. Dry needling involves inserting a thin needle into tight muscle knots in the leg to try to improve how the muscles around the ankle work and react. Researchers want to see if this quick and low-cost treatment can improve muscle timing and balance. You may be eligible if: - You play basketball - You have had at least one significant ankle sprain more than 12 months ago that caused swelling and at least one day off activity - You have had two or more episodes of your ankle "giving way" in the past 6 months - You feel that your ankle is unstable during sports or daily activities - You score positively on an ankle instability questionnaire You may NOT be eligible if: - You have had surgery on either leg - You have had a bone fracture in either leg that needed realignment - You have had another leg injury in the last 3 months that caused time off activity - You have a vestibular (inner ear/balance) or neurological disorder - You currently have pain in areas other than the ankle Talk to your doctor about whether this trial might be right for you.

This is a simplified summary. Always discuss eligibility with your doctor before enrolling in a clinical trial.

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Interventions

Deep dry needling on ankle joint stability muscles involves using a needle to reach the target muscle looking for obtaining changes in the muscle recruitment measured in terms of electromyography and

Deep dry needling on ankle joint stability muscles involves using a needle to reach the target muscle looking for obtaining changes in the muscle recruitment measured in terms of electromyography and outcomes of centre of pressures. The target muscles will be fibularis longus and tibialis anterior muscles. Both of them will be palpated with flat technique and needle will be inserted (a) perpendicular to skin surface in a lateral to medial direction toward the fibula bone for fibularis longus muscle; and (b) whith a slight medial direction toward the tibia for tibialis anterior muscle. The needle will remain for a maximum of 2 minutes while the multiple rapid insertions technique is applied in order to obtain sharp pain, referred pain or local twitch. Treatment will be administered by trained physiotherapists and will be developed in a single 10 minute session, including patient preparation and muscle evaluation before dry needling as well as ischemic compression applied after treatment. Measures will be obtained four times: just before and after the dry needling application, 48 hours and 1 month after intervention.

Locations(1)

Madrid, Spain

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ACTRN12616000386437