NCT Number: NCT01853761
The purpose of this study was to analyze microcurrent short and long term effects used with aerobic exercise on abdominal fat.
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Notify Me18 year–30 year
All sexes
Interventional
Not applicable
Andreia Noites, Vila Nova de Gaia, Porto District, Portugal
Nutritional patterns have been changed during XXI century with sugar and fat's high proportions that allied to sedentarism increased body fat. There is already a well establish relationship between total body fat excess, cardiometabolic diseases and increased mortality, knowing that abdominal fat (android pattern), different from body index, presents an additional influence to health risks. Women with their abdominal adipocytes (visceral fat) show an increased lipolitic activity that releases free fat acids to the systemic and portal circulation leading to a metabolic syndrome, increasing the risk of cardiovascular diseases Aerobic exercise is a way to decrease fat as it stimulates lipolysis through an increase in catecholamine's level resulting from a sympathetic system nervous activity raise. The most used exercise for lipid elimination is the prolonged aerobic moderate exercise with a minimum of 30 mn.
Nevertheless aerobic exercise practice reduce globally lipidic sources and not locally . Electrolipolysis using microcurrent has been used in clinical practice as a technique to reduce abdominal fat. This technique can be applied transcutaneously or percutaneously seeming that the former is not so effective as skin can be an obstacle to the current effect on visceral and subcutaneous fat .
Abdominal fat excess is associated with cardiometabolic diseases and can be prevented using microcurrent and aerobic exercise to stimulate lipolysis.
Healthy volunteers accepted: Yes
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
Aerobic exercise just after microcurrent in the abdominal region, intensity below the sensivity threshold and a maximum of 1 mA.
30 minutes of aerobic moderate-intensity exercise (50%VO2 max) using Karvonen´s formula, performed on a cycloergometer. Were used Borg scale (12-13) and Polar® heart monitors to control heart rate.
Other names: Aerobic exercise after microcurrent
Aerobic exercise at the same time microcurrent in the abdominal region, intensity below the sensivity threshold and a maximum of 1 mA.
30 minutes of aerobic moderate-intensity exercise (50%VO2 max) using Karvonen´s formula, performed on a cycloergometer. Were used Borg scale (12-13) and Polar® heart monitors to control heart rate.
Other names: Aerobic exercise at same time microcurrent
Microcurrent device in the abdominal region with four transcutaneous electrodes in a parallel position, intensity below the sensivity threshold and a maximum of 1 mA.
Other names: transcutaneos microcurrent
Microcurrent device in the abdominal region with four percutaneous electrodes in a parallel position, intensity below the sensivity threshold and a maximum of 1 mA.
microcurrent device in the abdominal whith intensity below the sensivity threshold and a maximum of 1 mA. Every 15 minutes changed from 25Hz to 10 Hz.
Other names: 25-10Hz microcurrent
microcurrent device in the abdominal whith intensity below the sensivity threshold and a maximum of 1 mA. Every 15 minutes changed from 25Hz to 50 Hz.
Time frame: five weeks after the intervencion
Ultrasound was performed at the end of expiration to measure subcutaneous abdominal fat between xiphoid apophysis and navel, below navel, and above left and right anterior superior iliac spine. Between xiphoid apophysis and navel was also measured visceral abdominal fat
Time frame: five weeks after the intervencion
The height was measured with the volunteers on respiratory apnea. To minimize the influence of electrolyte balance changes in bioimpedance assessment, was given some rules to volunteers. It was calculated BMI using the body weight divided by height squared.
Time frame: five weeks after intervention
The volunteers were on fasting (12 hours) and was collected a blood sample on finger to measure cholesterol, triglycerides and glucose levels. The results were recorded through the classes
Time frame: five weeks after intervencion
The perimeters measurements were done, at the end of expiration, at waist level (below last rib), at navel level, at the point immediately above the iliac crests and at trochanters level. The waist-hip ratio was calculated using the waist level perimeter divided by trochanters level perimeter
Time frame: five weeks after intervencion
Suprailiac, vertical and horizontal abdominal skinfolds were performed three times in right hemi body, by caliper
Time frame: five weeks after the intervencion
moderate physical activity level were used to monitor lifestyle during sessions
Time frame: five weeks after intervencion
Food Frequency Questionnaire were used to monitor lifestyle during sessions.
Escola Superior de Tecnologia da Saúde do Porto
Other
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