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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06200493
Other study ID # 2023-10
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date September 20, 2023
Est. completion date February 28, 2024

Study information

Verified date January 2024
Source Swiss Paraplegic Research, Nottwil
Contact Fabian Ammann, MSc
Phone +41 41 939 66 24
Email fabian.amman@paraplegie.ch
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The goal of this observational study is to learn about the relation between grip position and maximal strength and power in wheelchair rugby and basketball athletes. The main question is to investigate the relationship between maximal isometric force, acceleration, and sprint time. Participants will - pull in their sport wheelchair against a force transducer - push in their sport wheelchair from a force transducer - accelerate as fast as possible with one push - accelerate as fast as possible over a distance of 20m Researchers will compare the wheelchair basketball against wheelchair rugby players to see if there is a difference in the parameters.


Description:

The study duration is approximately 2 hours per participant. First, the screening will be done and the participant does a warmup (~30 min). After that, the participant gets ready for testing, which will last for approximately 90 minutes. In each test, the participants have trial rounds to familiarize with the test procedure. The testing consist of three different exercises, the isometric strength test (IsoMST), the maximum initial push propulsion (MIPP) and the sprint. In the IsoMST a pull setup which was already used in literature and a push setup which has yet to be validated will be used. For the pull setup, the chair of the athlete is fixated on the wall which results in a static situation and allows for an isometric effort. For the push setup, a bumper is installed on the wall, against which the athletes can push with their chair. Different grip position will be measured. In the MIPP test the participants are instructed to accelerate as quickly as possible from standstill with only one push on the rim. The MIPP will be executed with several different grip positions, equal to the IsoMST. For the sprint, 20m will be marked out on a playing court. The athletes are instructed to complete the distance as quickly as possible. Several split times as well as the total time will be measured.


Recruitment information / eligibility

Status Recruiting
Enrollment 20
Est. completion date February 28, 2024
Est. primary completion date December 31, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - squad members or doing more than 3h per week wheelchair basket/rugby training - adequately informed and consent confirmed per signature Exclusion Criteria: - Pregnancy based on anamnesis - acute illness, injury, infection, etc., which would impact the measurements.

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
Switzerland Swiss Paraplegic Centre Nottwil Lucerne

Sponsors (1)

Lead Sponsor Collaborator
Swiss Paraplegic Research, Nottwil

Country where clinical trial is conducted

Switzerland, 

Outcome

Type Measure Description Time frame Safety issue
Other rate of force development The rate of force development (RFD) in the isometric push and pull test during the first second of maximal push
Other sprint distance time The time for the linear sprint over sub distance in the sport wheelchair during 5 seconds of the linear sprint
Other one push maximal speed The maximal speed reached with one push in the sport wheelchair during the last second of acceleration
Primary maximal pull force The maximal isometric force produced during pulling in the sport wheelchair during 1 second of maximal pulling
Secondary maximal push force The maximal isometric force produced during pushing in the sport wheelchair during the first second of maximal pushing
Secondary maximal acceleration The maximal acceleration reached with one push in the sport wheelchair during the first second of acceleration
Secondary sprint time The time for the linear sprint over 20m in the sport wheelchair during the last second of the 20 metre sprint
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