Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to ollie while moving [title] Work on your foot placement. [step] When you're riding properly, your front foot should be just behind the front truck screws, and your back foot should be on the back tail. This foot positioning offers the most stability and safety.

Ending1: [substeps] Popping the board up in the air is actually the easiest part of the ollie. Before you try to ollie while moving, make sure you're riding properly and using smooth, even foot placement at all times when you skate. Ending2: You can reach around to where you left off, and place your right foot over your middle foot. You can also keep your other foot on the bottom of the trucks screw, or the rear of the truck, or be able to move it towards you. Ending3: Keep your overall weight centered on your front foot. [title] Keep your leg elevated and hold the ollie in place. Ending4: [substeps] Once you start to ollie, be still and stay put for a couple of seconds. When you are actually doing something else, focus on staying in place and maintaining your balance.

Answer format: ending1/ending2/ending3/ending4