Additional file 3: of How to squat? Effects of various stance widths, foot placement angles and level of experience on knee, hip and trunk motion and loading

Figure S3. Averaged values of the knee moment in the frontal plane [Nm/Kg] as a function of the knee adduction angle [°] in the experienced cohort with the wooden bar (e) and with extra load on the barbell (e+) for all nine positions. (PDF 189 kb)