Figure 2From: The use of muscle strength assessed with handheld dynamometers as a non-invasive biological marker in myotonic dystrophy type 1 patients: a multicenter study Reproducibility of muscle strength at baseline between Day 1 and Day 21 for the ankle evertors and dorsiflexors for Quebec (n = all trials of 21 patients and 7 controls) and Lyon (n = all trials of 24 patients and 9 controls). The equation and coefficients of determination R2 are indicated for each muscle group and both centres.Back to article page