Advertisement

Topics

Effects Of Unilateral Vibration On Contralateral Forearm Muscle Activity

2014-07-23 21:09:40 | BioPortfolio

Summary

This study hypothesize that radius subjecting to mechanical loading may affect excitability of alpha motor neuron innervating muscle, based on its bone mineral density or bone mineral content.

A total of 80 voluntaries are planned to include in this study. Vibration will be applied the right forearm. Muscle electrical activity will be measured on ipsilateral and contralateral flexor carpi radialis (FCR) muscle at rest as EMGrms by surface electromyography (EMG). The rest-EMGrms will be measured at before and during vibration. An increase in muscle electrical activity at rest indicates an increase in motor neuron pool activation. The right distal radius bone mineral content (BMC) and density will be measured by dual energy X-ray absorptiometry (DXA).

The right radius bone mineral density (BMD) and BMC will be evaluated by bone densitometer (GE-LUNAR DPX PRO).

Motor unit potentials will be measured by electromyography at left flexor carpi radialis. Neurotrac ETS device will be used.

Description

A functional cooperation exists between bones and skeletal muscles. Bones work together with muscles as a simple mechanical lever system to produce body movement. One of the important functions of bones is to exert resistance against gravity in order to carry the body. In order to carry out their mechanical functions, bones need to have considerable resistance to deformation under load. It is well-known that muscle activity (i.e., exercises) improves the resistance of bone to mechanical loading, and that it is also important for treating and preventing osteoporosis. Resistance and impact training have been shown to induce bone formation and/or prevent bone resorption. Skeletal muscles have positive effects on bone structure and function. Can bones have an effect on muscle activity? There is only one study about the effect of bones on muscles. In this study, it was shown that bones may affect muscle strength gain in healthy young adult males.

Vibration has a strong osteogenic effect. Vibration-induced bone formation is neuronally regulated. Vibration can also effectively enhance muscle strength and power. Previous studies have shown that vibration increases muscle electromyographic (EMG) activity. But, it has not been reported whether bone has an effect on the increase in muscle EMG activity caused by vibration or not. The aim of this study was to determine whether radius bone exposed to cyclic mechanical loading affects muscle electrical activity of contralateral untrained m. flexor carpi radialis in healthy adult volunteers.

Study Design

Control: Uncontrolled, Intervention Model: Single Group Assignment, Masking: Double Blind (Subject, Outcomes Assessor), Primary Purpose: Basic Science

Conditions

Osteoporosis

Intervention

Forearm vibration

Location

Vakif Gureba Training & Research Hospital
İstanbul
Turkey
34000

Status

Recruiting

Source

Vakif Gureba Training and Research Hospital

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-07-23T21:09:40-0400

Clinical Trials [575 Associated Clinical Trials listed on BioPortfolio]

PTH and Vibration in OSteoporosis Study

Objective: This is a randomized controlled trial (RCT) in osteoporosis patients randomized to standard parathyroid hormone (PTH) treatment alone or to standard PTH treatment and Whole-bod...

The Effects of Passive and Active Vibration Therapy on Grip Strength and Myoelectric Activity

This pilot study is designed to analyze the effects of Vibration Therapy (VT) on grip strength and level of forearm contraction by measuring hand grip dynamometry and surface Electromyogra...

Vibratory Stimuli, A Novel Rehabilitation Method for Preventing Post - Traumatic Knee Osteoarthritis

This study will evaluate the acute effects of vibration (whole body vibration and local muscle vibration) on quadriceps function, knee joint proprioception, and gait biomechanics linked to...

Immediate Effect Of Whole-Body Vibration And Walk in Osteoporosis/Osteopenia

Introduction: Osteoporosis and Osteopenia are common bone disorders, characterized by low bone mass, signs of bone deterioration and are responsible for typical bone fragility. Physical ac...

Effects of Whole Body Vibration in Subacute Stroke Patients

The overall aim of the proposed study is to determine whether whole body vibration is beneficial in promoting bone turnover, physical fitness and neuromotor performance in patients with su...

PubMed Articles [840 Associated PubMed Articles listed on BioPortfolio]

Association between gout and osteoporosis risk in the United Kingdom.

Gout as a risk factor for osteoporosis: response to comments by Kostev.

Note: Effect of the parasitic forced vibration in an atom gravimeter.

The vibration isolator usually plays an important role in atom interferometry gravimeters to improve their sensitivity. We show that the parasitic forced vibration of the Raman mirror, which is induce...

Exercise to improve functional outcomes in persons with osteoporosis: a systematic review and meta-analysis.

Osteoporosis affects many aspects of daily life. The aim of this systematic review was to assess the effects of exercise interventions on functional outcomes in persons with osteoporosis, in compariso...

Transmission of vibration from a vibrating plate to the head of standing people.

Little is known about the transmission of vibration to the head when using whole-body vibration (WBV) training machines. This paper investigates the effect of frequency and posture on the transmission...

Medical and Biotech [MESH] Definitions

Reduction of bone mass without alteration in the composition of bone, leading to fractures. Primary osteoporosis can be of two major types: postmenopausal osteoporosis (OSTEOPOROSIS, POSTMENOPAUSAL) and age-related or senile osteoporosis.

Metabolic disorder associated with fractures of the femoral neck, vertebrae, and distal forearm. It occurs commonly in women within 15-20 years after menopause, and is caused by factors associated with menopause including estrogen deficiency.

An occupational disorder resulting from prolonged exposure to vibration, affecting the fingers, hands, and forearms. It occurs in workers who regularly use vibrating tools such as jackhammers, power chain saws, riveters, etc. Symptoms include episodic finger blanching, NUMBNESS, tingling, and loss of nerve sensitivity.

A nonhormonal medication for the treatment of postmenopausal osteoporosis in women. This drug builds healthy bone, restoring some of the bone loss as a result of osteoporosis.

Disease involving the RADIAL NERVE. Clinical features include weakness of elbow extension, elbow flexion, supination of the forearm, wrist and finger extension, and thumb abduction. Sensation may be impaired over regions of the dorsal forearm. Common sites of compression or traumatic injury include the AXILLA and radial groove of the HUMERUS.

More From BioPortfolio on "Effects Of Unilateral Vibration On Contralateral Forearm Muscle Activity"

Advertisement
Quick Search
Advertisement
Advertisement

 

Relevant Topics

Rheumatology
Arthritis Fibromyalgia Gout Lupus Rheumatic Rheumatology is the medical specialty concerned with the diagnosis and management of disease involving joints, tendons, muscles, ligaments and associated structures (Oxford Medical Diction...

Osteoporosis
Osteoporosis is a disease in which the bones become extremely porous, are subject to fracture, and heal slowly, occurring especially in women following menopause and often leading to curvature of the spine from vertebral collapse. Follow and track&n...

Radiology
Radiology is the branch of medicine that studies imaging of the body; X-ray (basic, angiography, barium swallows), ultrasound, MRI, CT and PET. These imaging techniques can be used to diagnose, but also to treat a range of conditions, by allowing visuali...


Searches Linking to this Trial