Fig. 2From: Anatomical cross-sectional area of the quadriceps femoris and sit-to-stand test score in middle-aged and elderly population: development of a predictive equationSit-to-stand test scores of the two different conditions. The time taken for sit-to-stand test (a) and the power index of sit-to-stand test score (b). White and black bars indicate the trunk stooping and the trunk kept in the upright condition, respectively. *P < 0.05Back to article page