TY - JOUR
T1 - Photo-Based Range-of-Motion Measurement
T2 - Reliability and Concurrent Validity in Children With Cerebral Palsy
AU - Johansen, Mette
AU - Haslund-Thomsen, Helle
AU - Kristensen, Jeanette
AU - Thorgaard Skou, Søren
PY - 2020/4
Y1 - 2020/4
N2 - PURPOSE: To investigate intrarater and interrater reliability, agreement, and concurrent validity of a smartphone photography-based application compared with a universal goniometer in children with cerebral palsy.METHODS: Range of motion of hip abduction, popliteal angle, and ankle dorsiflexion was measured with a universal goniometer and a photography-based application in children with cerebral palsy, Gross Motor Function Classification System levels I to V.A 2-way random-effects intraclass correlation coefficients and Bland-Altman plots, standard error of measurement, and smallest detectable change were used for analyses.RESULTS: The application had good to excellent reliability and concurrent validity compared with a universal goniometer, while the large measurement error of both methods suggests that changes of 10° to 23° are needed to be certain that changes over time are not results of measurement error.CONCLUSIONS: A photography-based goniometer can be a reliable and valid tool when measuring range of motion in children with cerebral palsy.
AB - PURPOSE: To investigate intrarater and interrater reliability, agreement, and concurrent validity of a smartphone photography-based application compared with a universal goniometer in children with cerebral palsy.METHODS: Range of motion of hip abduction, popliteal angle, and ankle dorsiflexion was measured with a universal goniometer and a photography-based application in children with cerebral palsy, Gross Motor Function Classification System levels I to V.A 2-way random-effects intraclass correlation coefficients and Bland-Altman plots, standard error of measurement, and smallest detectable change were used for analyses.RESULTS: The application had good to excellent reliability and concurrent validity compared with a universal goniometer, while the large measurement error of both methods suggests that changes of 10° to 23° are needed to be certain that changes over time are not results of measurement error.CONCLUSIONS: A photography-based goniometer can be a reliable and valid tool when measuring range of motion in children with cerebral palsy.
UR - http://www.scopus.com/inward/record.url?scp=85082561507&partnerID=8YFLogxK
U2 - 10.1097/PEP.0000000000000689
DO - 10.1097/PEP.0000000000000689
M3 - Journal article
C2 - 32150030
SN - 0898-5669
VL - 32
SP - 151
EP - 160
JO - Pediatric Physical Therapy
JF - Pediatric Physical Therapy
IS - 2
ER -