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Similaries and differences between pointing and interception


- candidate number24664
- NTR NumberNTR5980
- ISRCTNISRCTN no longer applicable
- Date ISRCTN created
- date ISRCTN requested
- Date Registered NTR20-jul-2016
- Secondary IDsECB/2016.04.25_1 Ethische commissie voor het centrum voor Bewegingswetenschappen Groningen.
- Public TitleSimilaries and differences between pointing and interception
- Scientific TitleSimilaries and differences in joint angle variability between pointing and interception
- ACRONYM
- hypothesis
- Healt Condition(s) or Problem(s) studiedMotor skill
- Inclusion criteriaThe subjects included in this study are able bodied and right handed, with normal or corrected to normal vision. Both male and female subject will be included. All subjects included will be between 18 and 30 years of age.
- Exclusion criteriaSubjects with (history of) pain or musculoskeletal impairments of the arms or upper body will not be included.
The same accounts for subjects with prior experience in the use of myoelectric devices and subjects younger than 18 or older than 30.
- mec approval receivedno
- multicenter trialno
- randomisedyes
- masking/blindingNone
- controlNot applicable
- groupCrossover
- TypeSingle arm
- Studytypeobservational
- planned startdate 20-jul-2016
- planned closingdate1-nov-2016
- Target number of participants30
- InterventionsSeveral different virtual balls will be presented on a plasma screen horizontally positioned in a table (Panasonic TH-50PY70F, width: 110cm, height: 62cm). There will be two conditions, reaching and interception. In the reaching condition only the target distance will be manipulated. The target distances will be 20, 30 and 40cm to the right from the starting position of the right index finger which is in front of the participant.
Similar to the reaching condition, the interception distances will be 20, 30 and 40 cm from the starting position of the participants’ right index finger. In addition, the to be intercepted targets will fall under 26.5, 0 or -26.5 degrees. Half of the participants will execute the reaching trials before the interception trials and the other half of the participants will execute the reaching trials after the interception trials.
- Primary outcomeUsing Optotrak we measure the trajectories of rigid bodies (see point 12 for more information). From this we derive GEV, NGEV and the ratio of these two for the 40 trials in the first part and for the 40 trials with a linear trajectory in the second part (uncontrolled manifold method). These two measures will be compared.
- Secondary outcomeKinematic measures, joint angles, GEV, NGEV and ratio will be computed for all trials.
- TimepointsThe total duration of a session will be approximately 1.5 hour.
- Trial web site
- statusopen: patient inclusion
- CONTACT FOR PUBLIC QUERIESMsc. Inge Tuitert
- CONTACT for SCIENTIFIC QUERIESMsc. Inge Tuitert
- Sponsor/Initiator University Medical Center Groningen (UMCG)
- Funding
(Source(s) of Monetary or Material Support)
A*MIDEX grant (n°ANR-11-IDEX-0001-02) , University Medical Center Groningen (UMCG)
- Publications
- Brief summary
- Main changes (audit trail)
- RECORD20-jul-2016 - 7-sep-2016


  • Indien u gegevens wilt toevoegen of veranderen, kunt u een mail sturen naar nederlands@trialregister.nl