Please choose the correct ending to complete the given sentence: Health: [header] How to do yoga for heel pain [title] Roll an object under your foot. [step] While rolling an object under foot isn't necessarily a pose or movement particular to yoga, it often is used in yoga classes that focus on feet. It's a good way to warm your feet up for further work increasing your awareness of your feet and how you use them.

Ending1: [substeps] Choose an object to roll on by positioning it on one foot and rolling its tip over your toes. This can be used on a yoga mat or a rock. Ending2: [substeps] For example, if you're sitting on a yoga mat, you may roll a pin under your foot. You can also roll a wooden block or similar tool under your foot to ease weight on your foot. Ending3: [substeps] You don't need to buy any specific objects or sports equipment. You can use any sort of round, rollable object you have around the house, such as a water bottle or a rolling pin. Ending4: [substeps] Generally, use your heel to roll an object under your ankle while you stand or walk, so that you start off with your heel on the floor, completely surrounded by your non-heeled foot. [title] Balance on your heel with your foot behind.

Answer format: ending1/ending2/ending3/ending4