Elderly Women Clinical Trial
Official title:
Effects of Two Water-based Aerobic Training Programs on Cardiorespiratory and Neuromuscular Parameters in Elderly Women: a Randomized Controlled Trial
NCT number | NCT03289091 |
Other study ID # | WATER |
Secondary ID | |
Status | Completed |
Phase | N/A |
First received | |
Last updated | |
Start date | September 18, 2017 |
Est. completion date | July 31, 2018 |
Verified date | January 2019 |
Source | Federal University of Pelotas |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The aim of the study is to investigate the effects of two water based aerobic training
programs on cardiorespiratory, neuromuscular and quality of life parameters in old women.
Volunteer old women age range: 60-75 years old, will participate to this study, and will
randomly divided into two groups: continuous aerobic training group and interval aerobic
training group.
Both group subjects will participate in two-week training sessions during 12 weeks.
Independent of the group, participants will perform three water-based exercises: stationary
running, frontal kick and cross-country skiing. The intensity of aerobic exercise will be
based Rating Perceived Exertion (RPE). Along the training, the intensity of aerobic exercise
will increase in both groups. Before and after intervention, there will be evaluation of
muscle quality, muscle thickness, peak oxygen uptake and oxygen uptake at ventilatory
threshold, maximal isometric and dynamic strength of knee extensors, maximal and submaximal
isometric eletromiografy (EMG) activity of vastus lateralis and rectus femoris, muscle
endurance, performance in functional tests and assessment of the perception of quality of
life.
Data will be analyzed by Generalized Estimating Equations (GEE) and Bonferroni's post-hoc
test (α=0.05), including both protocol and intention to treat analyses (α=0,05).
Status | Completed |
Enrollment | 41 |
Est. completion date | July 31, 2018 |
Est. primary completion date | May 31, 2018 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Female |
Age group | 60 Years to 75 Years |
Eligibility |
Inclusion Criteria: Volunteer elderly women, aged between 60-75 years old who were not participating on any regular training program in the last six months. Exclusion Criteria: - Cardiovascular disease (except hypertension controlled by medication); - Physical impairments for exercise diagnosed through anamnesis; |
Country | Name | City | State |
---|---|---|---|
Brazil | Universidade Federal de Pelotas | Pelotas | RS |
Lead Sponsor | Collaborator |
---|---|
Federal University of Pelotas |
Brazil,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Cardiorespiratory Fitness evaluation change after 12 weeks | We created a protocol on the treadmill to determine the peak oxygen uptake change(VO2peak), the first ventilatory threshold and the second ventilatory threshold. The protocol consists in 1-minute stages. The initial speed is 1.86 miles per hour. In each stage, the speed increases 0.3 miles per hour and every 2 stages, the treadmill inclination increases 1%. The test is interrupted when the subject indicates exhaustion. The respiratory gases will be collected through a portable gas analyzer (VO2000, MedGraphics, Ann Arbor, USA). The maximum value of VO2 , closed to exhaustion will be considered the VO2peak. The fist and the second ventilatory threshold will be determined by the ventilation versus intensity curve and confirmed by the O2 and Carbon dioxide ventilatory equivalents by two independent physiologists in a visual inspection. |
Testing of VO2peak change - Baseline and 12 week | |
Secondary | Quality of Life change after 12 weeks (Score) | World Health Organization Quality of Life-bref - WHOQOL-bref | Baseline and 12 week | |
Secondary | Maximal dynamic strength change after 12 weeks (kg) | maximum repetition of knee extensors | Baseline and 12 week | |
Secondary | Maximal voluntary isometric contraction of knee extensors change after 12 weeks | electromyography | Baseline and 12 week | |
Secondary | muscle thickness of knee extensors change after 12 weeks | ultrasound image | Baseline and 12 week | |
Secondary | neuromuscular economy of vastus lateralis and rectus femoris change after 12 weeks | electromyography | Baseline and 12 week | |
Secondary | maximum muscular activity of vastus lateralis and rectus femoris change after 12 weeks | electromyography | Baseline and 12 week |
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