The aim of this study is to measure task-specific maximal strength and motor fatigability during functional daily activities involving the upper limbs in typically developing children. The focus is on determining the test-retest reliability of these measurements. In addition, the results are compared with existing data from children with cerebral palsy (CP). Through this comparison, we aim to gain insight into the motor limitations experienced by children with CP when performing everyday tasks.
Age between 7 and 18 years
Sufficient understanding of the Dutch language to comprehend and perform the test procedures (also applicable to the parents/legal guardians)
Upper limb movement problems within the past 6 months
Trauma to the upper limb within the past 6 months
The study population consists of typically developing children from the general community. Participants may be recruited through flyers, personal networks, schools, youth organizations, UHasselt staff, social media, and during UHasselt's Science Day.
Cohort
Cross-sectional
Not listed
Motor fatigability during functional upper limb lifting tasks
Motor fatigability during lifting tasks will be quantified using the Static Fatigue Index (SFI, %) derived from the force-time curve recorded with the Activities of Daily Living - Test and Training Device (ADL-TTD). Higher SFI values indicate higher motor fatigability.
Maximal strength during functional upper limb lifting tasks
Maximal strength will be measured as peak force in Newtons (N) during lifting tasks using the Activities of Daily Living - Test and Training Device (ADL-TTD).
Object orientation during functional upper limb lifting tasks
Object orientation will be quantified in degrees (°) using an inertial measurement unit (IMU) integrated into the ADL-TTD during lifting tasks.
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