Fig. 2From: Effects of a High-Volume 7-Week Pectoralis Muscle Stretching Training on Muscle Function and Muscle StiffnessSchematic representation of the study design; PMa, pectoralis major; SWE, shear wave elastography; ROM, range of motion; MVIC, maximal voluntary isometric contraction; A stretching exercise 1; B1/B2 stretching exercise 2 (two different options); C stretching exercise 3Back to article page