Fig. 6

Correlations with age. Correlations of DMD patients and healthy subject between age and (a) Brooke scale; b total PUL score; c maximal muscle torque sum score; d maximal sEMG amplitude (MVIC) sum score; e mean inverse z-score of echogenicity (inverse z-scores were used so that lower scores indicate worse UE function); f mean z-score of muscle thickness; g maximal passive joint angle sum score; h maximal active joint angle sum score