After a series sweep in Washington, Cal has its eyes set on a regional bid Josh Kahen/File Last Updated 5 hours Ago Anyone watching would think that pitching is fundamentally a violent action: Muscles and ligaments ripple and contort to whip the arm toward the target at astounding speed. Beneath the visual suddenness of the motion, however, is a series of structured, graceful movements that combine to generate explosive power. Weight transfer from leg to leg sends energy upward through the body; the hips guide that force up the back and into the shoulder. Finally, the arm rotates, snapping through the air and firing the ball forward.