Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to improve at basketball [title] Use correct dribbling posture. [step] Your knees should be shoulder-width and you should be on your feet ready to move around. Don't stand with your knees locked.

Ending1: When dribbling, your shoulders should be tucked in and away from you. [substeps] Extend out your arms in front of you as if throwing a baseball. Ending2: Begin dribbling with your arms out in front of you, so they are parallel to the ground and your fingers have the majority of contact with the ground. Stand as straight as possible on the outside of your coach, making sure your chest is taut. Ending3: Keep both your feet planted on the ground, palms facing forward. [substeps] Do a little inner dribble so you aren't pushing off the ground toward your opponents. Ending4: Always make sure you stay balanced, if you do not stay on balance you could end up tripping yourself over. When you dribble, bounce the ball no higher than your waist.

Answer format: ending1/ending2/ending3/ending4