Abstract
Abstract Introduction Upper extremity disorders limits the performance in the activities of daily living, especially, in bilateral (two-handed) activities. Objective This study was designed to develop a performance-based upper extremity motor control test (PB-UE-MCT) and to measure its psychometric properties (including, convergent validity, intrarater reliability, and interrater reliability) for people with cerebral palsy (CP). Method The PB-UE-MCT was developed in three phases, including planning, construction, and psychometric evaluation. The participants included 50 people with CP with an age range of 6 to 18 years. To measure internal consistency, Cronbach's alpha was run (n=50). Intrarater and interrater reliability was measured for 25 participants. To assess convergent validity, the correlations of the PB-UE-MCT with the Manual Ability Classification System (MACS) and with the Selective Control Upper Extremity Scale (SCUES) were calculated. Results The values obtained for Cronbach's alpha (.90 to .96) indicated the excellent internal consistency of the PB-UE-MCT. The ICC values for intrarater reliability and interrater reliability were between .84 and .99 and between .89 and .99, respectively. The correlation coefficients obtained for the items of the PB-UE-MCT and those of the MACS were between .51 and .73. The correlation coefficients of the items of the PB-UE-MCT with those of the SCUES were in the range of .67 to .98, which proves the PB-UE-MCT's good to excellent levels of convergent validity. Conclusion The results confirm that the PB-UE-MCT is a valid and reliable tool for evaluating the upper extremity performance of people with CP through task analysis.
Highlights
Upper extremity disorders limits the performance in the activities of daily living, especially, in bilateral activities
The most prominent disorder related to muscle tone and strength occurs in the muscles of the distal part of the upper extremity, which limits the performance of these people in the activities of daily living, especially, in bilateral activities that account for 76% of the activities (Klingels et al, 2012; Pashmdarfard & Shervin Badv, 2019)
The studies conducted on the upper extremity performance and upper extremity motor control of people with cerebral palsy were checked and the priorities of these people and their families concerning upper extremity activities of daily living were
Summary
Upper extremity disorders limits the performance in the activities of daily living, especially, in bilateral (two-handed) activities. Objective: This study was designed to develop a performance-based upper extremity motor control test (PB-UE-MCT) and to measure its psychometric properties (including, convergent validity, intrarater reliability, and interrater reliability) for people with cerebral palsy (CP). The most prominent disorder related to muscle tone and strength occurs in the muscles of the distal part of the upper extremity, which limits the performance of these people in the activities of daily living, especially, in bilateral (two-handed) activities that account for 76% of the activities (Klingels et al, 2012; Pashmdarfard & Shervin Badv, 2019). Development and psychometric evaluation of performance-based upper extremity motor control test (PB-UE-MCT) for people with cerebral palsy active supination cannot function properly (Braendvik et al, 2010). One of the drawbacks to the rehabilitation of people with CP is that a majority of interventions in occupational therapy focus on the improvement of motor components, such as muscle tone and range of motion (Anaby et al, 2017), while improving motor components may not enhance the occupational performance in some people
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