Fig. 2
From: Effects of workload and saddle height on muscle activation of the lower limb during cycling
Mean values of the normalized surface electromyographic (EMG) envelope. a The mean EMG of rectus femoris; b the mean EMG of tibialis anterior; c the mean EMG of biceps femoris; d the mean EMG of medial gastrocnemius. ○ represents an outlier. * indicates a statistical difference (p < 0.05). × denotes the mean of the box values. FTP: functional threshold power; GTH: greater trochanter height; MVC: maximum voluntary contraction; RF: rectus femoris; TA: tibialis anterior; BF: biceps femoris; MG: medial gastrocnemius