The Effect of Reducing Soreness in Marathon Runners

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

47 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-08-31

Study Completion Date

2012-05-31

Brief Summary

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Delayed onset muscle soreness is defined as the sensition of pain and discomfort in skeletal muscles that occurs after eccentric muscle actions or strenuous exercise like a marathon.

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Detailed Description

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There is a growing body of clinical evidence which shows that noninvasive, nonpharmacologic pulsed electromagnetic fields have many clinical effects. Pulsed electromagnetic fields have shown to reduce pain in different groups of patients. This concerns patients with osteoarthritis, rheumatoid arthritis, diabetic neuropathy, fibromyalgia, distal radius fractures, pelvic pain and postoperative patients.

A marathon is a muscular strain. Physiologic effects of a marathon involves muscular and connective tissue damage which initiates an inflammatory response as well as release of metabolic factors like lactate and free radicals, intracellular metabolites and by-products of proteolysis.

The objective of this study was to investigate the efficacy of pulsed electromagnetic fields compared to placebo in reducing delayed onset muscle soreness in marathon runners.

Conditions

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Contracture of Muscle, Thigh

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Active pulsed electromagnetic field

Group Type EXPERIMENTAL

Pulsed electromagnetic field devices

Intervention Type DEVICE

Every person received two active devices. The devices emitted 2-ms bursts of 27.12 MHz sinusoidal waves repeating at 2 bursts/s. Peak magnetic field intensity was 0.05 G which induced an average electric field of 10 mV in the tissue with an effect of 7.3 mW/cm3.

Non-active pulsed electromagnetic field

Group Type SHAM_COMPARATOR

Pulsed electromagnetic field devices

Intervention Type DEVICE

Every persons received two sham pulsed electromagnetic field devices.

Interventions

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Pulsed electromagnetic field devices

Every person received two active devices. The devices emitted 2-ms bursts of 27.12 MHz sinusoidal waves repeating at 2 bursts/s. Peak magnetic field intensity was 0.05 G which induced an average electric field of 10 mV in the tissue with an effect of 7.3 mW/cm3.

Intervention Type DEVICE