| | Conditions Treatments | Muscle Strain What is the stress that pushes masses of rock in opposite directions a sideways movement? The stress that pushes masses of rock in opposite directions, causing a sideways movement, is called shear stress. Muscle Strain - Related Articles How long after a surgery can you have another one? How long does it take to get your stomach pumped? What is the description of a certified nurse assistant? What is prosthetic boot? Goji Juice Cures Hyperactivity Disorders in Children What Is Viral Pneumonia?