Rowing Biomechanics - Effects of (In)Stability and Fatigue

NCT03253900 | Completed

• 1 other identifier: UP-FVZ-RowingBiomechanics
• Study Type: interventional
• Target: 11
• Locations: 0 countries
• Sites: N/A

Brief Summary

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.

Conditions

Healthy

Keywords

wobble board; slides; rowing stroke; rowing biomechanics; power output

Outcome Measures

Primary Outcomes (1)

• Rowing performance

  Rowing biomechanics on different rowing simulators.

  Three sessions, with randomized order of ergometers (7-10 days apart)

Secondary Outcomes (7)

• Arm velocity

  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.

• Seat velocity

  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.

• Arm force

  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.

• Handle amplitude

  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.

• Leg force

  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.

Study Arms (1)

Experimental group

EXPERIMENTAL

A group of rowers to be administered to intervention on a Stable rowing simulator, a Slides based rowing simulator or a Tilt board based rowing simulator.

Device: Stable rowing simulator; Device: Slides based rowing simulator; Device: Tilt board based rowing simulator

Interventions

Stable rowing simulator DEVICE

a standard stable/fixed rowing simulator

Experimental group

Slides based rowing simulator DEVICE

a slides based rowing simulator, i.e. horizontal plane unstable

Experimental group

Tilt board based rowing simulator DEVICE

a tilt board based rowing simulator; i.e. frontal plane unstable

Experimental group

Eligibility Criteria

• Age: 15 Years - 30 Years
• Sex: male
• Healthy Volunteers: Yes
• Age Groups: Child (0-17), Adult (18-64)

You may qualify if:

• Competitive rowers with at least 4 years of experience
• Completed the physical examination at sports physician
• Parental consent for underage participants

You may not qualify if:

• Injury in last 12 months
• Any health issues that may be exacerbated by interventions

Sponsors & Collaborators

• University of Primorska: lead

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: NA
• Masking: NONE
• Masking Details: The investigator who processed the acquired data was blinded for rowing interventions and subject information.
• Purpose: BASIC SCIENCE
• Intervention Model: SINGLE GROUP
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Assoc. Prof. Dr. Sc.

Model Details: All participants in the study will complete the measurements for all the three rowing interventions; in a random order.

Study Record Dates

• First Submitted: August 5, 2017
• First Posted: August 18, 2017
• Study Start: May 1, 2016
• Primary Completion: October 1, 2016
• Study Completion: July 31, 2017
• Last Updated: August 18, 2017

Record last verified: 2017-08