Why guess? - Measure accurately

M. Heim*, H. Horoszowski, R. Steinberg, E. Jacobi, M. Azaria

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Medical students, physiotherapists, orthopaedic residents and consultants assessed 10 angles visually. The results showed a significant error in assessment, particularly in non-physiological angles. Conventional goniometers do not eliminate the guessing and hence and inaccurate. A prototype of a pocket-sized goniometer, with expanding arms, demonstrates how guessing angles can be simply eliminated by accurate measurement.

Original languageEnglish
Pages (from-to)14-16
Number of pages3
JournalEuropean Journal of Physical Medicine and Rehabilitation
Issue number1
StatePublished - 1997
Externally publishedYes


  • accurate measurement
  • expanding goniometer


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