Intra-rater reliability and agreement of various methods of measurement to assess dorsiflexion in the Weight Bearing Dorsiflexion Lunge Test (WBLT) among female athletes
Trigonometric calculation of DF angle has 3.28° of measurement error. Inclinometer based measurements (tibia and Achilles) have >6° of measurement error. Trigonometric calculation of DF should be considered the method of choice.