Fig. 2From: Measurements of the trapezius and erector spinae muscles using virtual touch imaging quantification ultrasound-Elastography: a cross section studyShear wave velocities in males and females. Difference between the shear wave velocities of the trapezius and erector spinae muscles in male subjects (n = 110) and female subjects (n = 168); * = statistically significant (Ulm University Hospital, 2013)Back to article page