Universal goniometer and electro-goniometer intra-examiner reliability in measuring the knee range of motion during active knee extension test in patients with chronic low back pain with short hamstring muscle.
MohammadBagher ShamsiMaryam MirzaeiSeyyed Saeed KhabiriPublished in: BMC sports science, medicine & rehabilitation (2019)
Universal goniometer in clinical evaluations of patients (as they are easy to be employed) and electro-goniometer in laboratory studies (as they are more accurate) are reliable.