Physical Activity Clinical Trial
Official title:
Effect of Intermittent Versus Interval Training on Mountain Bike Cross-country Performance: a Parallel-group Randomized Trial
Verified date | September 2013 |
Source | Universidade Gama Filho |
Contact | n/a |
Is FDA regulated | No |
Health authority | Brazil: Ethics Committee |
Study type | Interventional |
The aerobic fitness is important for mountain bikers, but riders should also be able to generate maximal and supramaximal efforts in some crucial phases of the competition. Although there is an increase interest in high-intensity aerobic training, to investigators knowledge, there are no studies examining the effects of interval (INTV) or intermittent training (INTM) in mountain bikers. The aim of this study was to compare the effects of INTV and INTM on aerobic fitness variables (peak power output, Wmax, lactate threshold, and onset of blood lactate accumulation) but more importantly on performance as measured using a controlled mountain bike race, i.e. simulation. The investigators hypothesized that INTV and INTM training were equally effective in improving Wmax, Lactate threshold and onset of blood lactate accumulation, but INTV was superior in enhancing performance in mountai bike race simulation.This hypothesis is due to studies that have shown higher gains in performance with long duration of aerobic high intensity interval training in comparison to the shorter training at a higher intensity.
Status | Completed |
Enrollment | 16 |
Est. completion date | August 2013 |
Est. primary completion date | August 2013 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Male |
Age group | 20 Years to 50 Years |
Eligibility |
Inclusion Criteria: - Specific training in the mountain bike sport Exclusion Criteria: - Use of pharmacological substances |
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject)
Country | Name | City | State |
---|---|---|---|
Brazil | Gama Filho University | Rio de Janeiro |
Lead Sponsor | Collaborator |
---|---|
Universidade Gama Filho |
Brazil,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Interval Training and Performance in Mountain Bikers | The aim of this study was to compare the effects of interval (INTV) and intermittent training (INTM) on aerobic fitness variables (peak power output, Wmax, lactate threshold, and onset of blood lactate accumulation) and performance as measured using a controlled MTB race, i.e. simulation. Pre to post differences were examined using two-way ANOVA, with a factor time on two levels (pre, post), and a factor group on two levels (INTV and INTM). Differences between groups post-training were also analyzed with ANCOVA using the pre-training values as covariate. These differences were calculated after log transforming the dependent variables. The difference between groups in the primary outcome (performance) was also analyzed using a magnitude-based inferences approach. The smallest worthwhile difference for the performance was considered to be 1%. | Six weeks | No |
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