Healthy Clinical Trial
— SM01Official title:
Muscle Activation of the Lower Limb in Healthy Subjects in Response to a Medio-lateral Imbalance in Monopodal Stance: a Preliminary Study
Verified date | October 2021 |
Source | Manusapiens |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The "static" single-leg stance has been extensively studied in the literature for its relevance in functional evaluation, therapeutic exercise, sports training and research for fall prevention (particularly for the elderly and patients with neurological diseases). However, the motor strategies of the supporting limb have been investigated only at the ankle level. In particular it is not known, at the hip, how the muscular system reacts to medial and lateral imbalances. Colonna has hypothesized, basing on a myofascial chains approach, that the balance is managed by the front and back spiral chains. The aim of the present study is to perform a preliminary experimental analysis to verify Colonna's hypothesis, testing a method for the investigation of motor strategies underlying equilibrium. Five healthy subjects will be examined by means of electromyographic analysis of the gluteus maximus, gluteus medius, adductor longus, tibialis anterior and peroneus longus. Subjects will undergo perturbations of their monopodal balance.
Status | Completed |
Enrollment | 5 |
Est. completion date | December 30, 2021 |
Est. primary completion date | November 1, 2021 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 65 Years |
Eligibility | Inclusion Criteria: - All healthy subjects Exclusion Criteria: - skeletal pathologies compromising balance - neuromotor pathologies compromising balance |
Country | Name | City | State |
---|---|---|---|
Italy | AUSL-IRCCS di Reggio Emilia | Reggio Emilia |
Lead Sponsor | Collaborator |
---|---|
Manusapiens |
Italy,
Colonna S., 2012. Le catene miofasciali in medicina manuale - Arto inferiore: Ginocchio, Ed. Martina.
Morey-Klapsing G, Arampatzis A, Brüggemann GP. Joint stabilising response to lateral and medial tilts. Clin Biomech (Bristol, Avon). 2005 Jun;20(5):517-25. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Maximum electrical intensity during early response of muscle activation | The muscles considered will be, for the anterior spiral chain, the adductor longus and the peroneus longus, for the posterior spiral chain, the glutei (medius and maximus) and the tibialis anterior. For each muscle, the intensity will be normalized to the intensity of the maximal contraction. Muscle activity will be evaluated for 1500ms, 500ms before and 1000ms after the thrust. The early response to the stimulus will be identified in the interval of 100-500ms after the thrust.The thrusts will be performed 10 times towards the medial direction and 10 towards the lateral. The median intensity for each direction will be calculated. | During the procedure | |
Primary | Correlation of muscle activity | Correlation coefficients of the activation intensity between each muscle of the hip and each muscle of the ankle: tibialis anterior-glutei; tibialis anterior-adductor longus; peroneus longus-glutei; peroneus longus-adductor longus. Calculated for each imbalance direction. | During the procedure |
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