Healthy Clinical Trial
— RowBioOfficial title:
Changes of Biomechanical Parameters During Race Simulation Rowing - The Effect of (In)Stability of the Simulator
Verified date | August 2017 |
Source | University of Primorska |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Rowing simulators are frequently used by rowers, when on-water training is impossible or
limited. While such devices are highly valuable to maintain rowers` fitness, a concern was
raised about extensive simulator usage. It was postulated that it could lead to technique
alterations due to different biomechanical properties compared to on-water rowing.
Slide-based rowing simulators were designed to better simulate on-water conditions.
The main aim of the study was to compare the differences in various kinematic and kinetic
parameters during a short (20 s) all-out rowing bout and during a 2000-m simulated race, to
get a better insight into how different rowing simulator designs affect biomechanics of
rowing.
Three different rowing simulators were used in this study: (1) a standard stable/fixed rowing
simulator, (2) a slides based rowing simulator, i.e. horizontal plane unstable, and (3) a
tilt board based rowing simulator; i.e. frontal plane unstable.
The investigators hypothesised that rowing on different simulators will elicit different
biomechanics, including forces, power output, arm and seat movement velocity and amplitude.
Each of the participants completed the tests in all three interventions on separate sessions;
random order of interventions. The three sessions took place 7-10 days apart. During each
session, the participants completed the all-out 20-s trial first, then the simulated 2000-m
race. The aforementioned biomechanical parameters were tracked throughout the trials to be
compared between interventions later.
Status | Completed |
Enrollment | 11 |
Est. completion date | July 31, 2017 |
Est. primary completion date | October 1, 2016 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Male |
Age group | 15 Years to 30 Years |
Eligibility |
Inclusion Criteria: - Competitive rowers with at least 4 years of experience - Completed the physical examination at sports physician - Parental consent for underage participants Exclusion Criteria: - Injury in last 12 months - Any health issues that may be exacerbated by interventions |
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
---|---|
University of Primorska |
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Rowing performance | Rowing biomechanics on different rowing simulators. | Three sessions, with randomized order of ergometers (7-10 days apart) | |
Secondary | Arm velocity | Change of the average velocity of arm movement through the rowing stroke. | At the onset of test, at the finish and at the three points in between (at 500, 1000 and 1500 meters of the simulated race) - ref. POM: sessions 7-10 days apart. | |
Secondary | Seat velocity | Change of the average velocity of the seat movement through the rowing stroke. | At the onset of test, at the finish and at the three points in between (at 500, 1000 and 1500 meters of the simulated race) - ref. POM: sessions 7-10 days apart. | |
Secondary | Arm force | Change of the average arm force through the rowing stroke. | At the onset of test, at the finish and at the three points in between (at 500, 1000 and 1500 meters of the simulated race) - ref. POM: sessions 7-10 days apart. | |
Secondary | Handle amplitude | Change of the average handle through the rowing stroke. | At the onset of test, at the finish and at the three points in between (at 500, 1000 and 1500 meters of the simulated race) - ref. POM: sessions 7-10 days apart. | |
Secondary | Leg force | Change of the average leg force through the rowing stroke. | At the onset of test, at the finish and at the three points in between (at 500, 1000 and 1500 meters of the simulated race) - ref. POM: sessions 7-10 days apart. | |
Secondary | Seat amplitude | Change of the average amplitude of the seat movement through the rowing stroke. | At the onset of test, at the finish and at the three points in between (at 500, 1000 and 1500 meters of the simulated race) - ref. POM: sessions 7-10 days apart. | |
Secondary | Lactate | Change in blood lactate concentration | Before and immediately after the test, ref. POM: sessions 7-10 days apart. . |
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