Two-dimensional versus three-dimensional measurement of infant cervical active motion.

Kimberly B Castle Thomas W KernozekEmily Warren

Published in: Physiotherapy theory and practice (2020)

The 2D rotation ACM measurement methods were reliable and demonstrated concurrent validity with the gold standard 3D measure. Infants' lateral flexion ACM examined using 2D measures did not correlate with the results of 3D measurements. This indicated that 2D measurements of active infant cervical lateral flexion could not be used as a valid indicators of 3D motion.

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