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HandbikeBattle


- candidate number27496
- NTR NumberNTR6586
- ISRCTNISRCTN no longer applicable
- Date ISRCTN created
- date ISRCTN requested
- Date Registered NTR4-jul-2017
- Secondary IDsECB/2012_12.04_l_rev/M1 Ethics Committee of Human Movement Sciences, UMCG, University of Groningen
- Public TitleHandbikeBattle
- Scientific TitleHandbikeBattle
- ACRONYMnot applicable
- hypothesisTraining for the HandbikeBattle (annual uphill mountain race in Austria), and handbike training in general, will have a positive effect on physical health, physical fitness and mental health in wheelchair dependent individuals.
- Healt Condition(s) or Problem(s) studiedSpinal Cord Injury, Amputees, Cerebral palsy, Spina bifida, Neuromuscular diseases, Rehabilitation, Physical capacity
- Inclusion criteria- Handbiker
- > 14 years old
- Health condition of the lower extremities, such as spinal cord injury, amputation, cerebral palsy, spina bifida.
- Commitment to the HandbikeBattle challenge
- Exclusion criteria- Not allowed to participate in the HandbikeBattle because of medical reasons (as diagnosed in the medical screening)
- Not enough knowledge of Dutch language to understand the instructions
- mec approval receivedyes
- multicenter trialyes
- randomisedno
- group[default]
- TypeSingle arm
- Studytypeobservational
- planned startdate 1-jan-2013
- planned closingdate31-dec-2020
- Target number of participants400
- InterventionsHandbike training for and participating in the HandbikeBattle race in June in Austria.
- Primary outcomePhysical fitness (VO2peak, POpeak)
Physical health (pulmonary function, weight, BMI, waist circumference)
Mental health (quality of life, purpose in life, self efficacy etc)
Posture in handbike (elbow angle, shoulder width to crank width ratio etc)
- Secondary outcomeOveruse injuries
- TimepointsHandbikeBattle race in June in Austria.
A graded exercise test before start of the training period (in December/January), at the end of the training period (in May/June), and one year after the event (in June).
Questionnaires about mental health (e.g. quality of life) on four points in time: in December/January, in May/June, in October and one year after the event (June) Questionnaires about overuse injuries (monthly) between January and June.
Measurements of sitting posture in June.
This is an annual event with new participants every year.
- Trial web site
- statusopen: patient inclusion
- CONTACT FOR PUBLIC QUERIES Ingrid Kouwijzer
- CONTACT for SCIENTIFIC QUERIES Ingrid Kouwijzer
- Sponsor/Initiator RijksUniversiteit Groningen, UMCG Reade
- Funding
(Source(s) of Monetary or Material Support)
Heliomare Rehabiliation Wijk aan Zee, Revalidatiefonds, Stichting Mitialto, Stichting Handbike Events
- PublicationsS de Groot, K Postma, L van Vliet, R Timmermans and LJM Valent. Mountain time trial in handcycling: exercise intensity and predictors of race time in people with spinal cord injury. Spinal Cord (2014) 52, 455461.

Sven Hoekstra, Linda Valent, David Gobets, Lucas van der Woude & Sonja de Groot (2016): Effects of four-month handbike training under free-living conditions on physical fitness and health in wheelchair users, Disability and Rehabilitation.
- Brief summaryObjectives: To analyze exercise intensity during a mountain time trial in handcycling and to determine predictors of race time.
Setting: Eight Dutch rehabilitation centers and Austrian mountain.
Methods: Forty participants with spinal cord injury (SCI; high lesion level (4T6): N11; low lesion level (pT6): N29) handcycled a 20.2-km mountain time trial. Heart rate (HR) was monitored in 17 (high: N5, low: N12) participants during the race to determine exercise intensity, expressed relative to the heart rate reserve (%HRR). Two weeks before the race all participants completed laboratory tests to measure anthropometrics and peak values for power output (POpeak), oxygen uptake (VO2peak) and HR.
Results: Mean race time was 4 h and 1min (s.d.: 1 h and 24min), with no difference in race time between lesion groups. Mean exercise intensity during the race was 707%HRR. Exercise was mainly (73% of the race time) at a vigorous intensity (6089%HRR), with 29% of the total time in the 8089%HRR zone. No clear differences were found in exercise intensities between lesion groups. The strongest predictors for better race times were higher mean %HRR during race (R257%), lower waist circumference (R239%), higher POpeak (R239%) and VO2peak (R232%).
Conclusion: A 20-km mountain time trial in a handcycle is intensive. Faster race times were achieved by those with a lower waist circumference, greater fitness level and ability to perform at higher average exercise intensities during the race. Level of SCI was not significantly associated with race time.

Purpose: Recognizing the encouraging effect of challenging events, the HandbikeBattle (HBB) was created to promote exercise among wheelchair users. The purpose of this study was to reveal the effects on physical fitness and health outcomes of four-month handbike training under free-living conditions in preparation for the event.
Methods: In this prospective cohort study, 59 relatively inexperienced handyclists participated in the HBB of 2013 or 2014. Incremental exercise tests were conducted, respiratory function was tested and anthropometrics were measured before and after the preparation period. Main outcome measures were peak power output (POpeak), peak oxygen uptake (VO2peak) and waist circumference, of which the changes were tested using repeated measures ANOVA. To detect possible determinants of changes in physical fitness, a linear regression analysis was conducted with personal characteristics, executed training volume and upper-extremity complaints during the training period as independent variables.
Results: POpeak, VO2peak and waist circumference improved significantly with 17%, 7% and 4.1%, respectively. None of the included variables were significant determinants for the changes in POpeak found as a result of the training.
Conclusion: A challenging event such as the HBB provokes training regimes among participants of sufficient load to realize substantial improvements in physical fitness and health outcomes.
- Main changes (audit trail)
- RECORD4-jul-2017 - 6-aug-2017


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