Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to increase pitching velocity [title] Use proper finger positioning. [step] During a pitch you will need to fully utilize your motion to produce as much power behind the ball as possible. Part of keeping the full force behind the ball involves properly positioning your fingers during the pitch.

Ending1: Positions like shove ups and roll ups are generally appropriate since pitch stability is not determined by finger positioning. [substeps] Be sure to practice diving and maintaining hand positioning as much as possible. Ending2: This is to ensure you hit the ball in the most precise manner possible, placing your powerful fingers against it at a " hard push " for maximum accuracy. When you perform a good overswing, your finger positioning will keep the ball just pointed where you wish it would be. Ending3: Correct position involves positioning your fingers close to the batter's hands to generate power and boost his pitch. Proper positioning should include : [substeps] Keeping your back straight, keep your head up and your shoulders pulled in back, your head held high, and your head flat on top of the ball. Ending4: Keep some of these tips in mind when pitching : [substeps] Keep fingers behind the ball at all times. Avoid curling your hand or fingers in front of or to the side of the ball as you throw it.

Answer format: ending1/ending2/ending3/ending4