Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to do forward splits [title] Focus on your hip flexors. [step] The hip flexors are important muscles that are in involved in doing a front split. These muscles will need to be gradually trained to become more flexible before you can do a full front split.

Ending1: Being flexible will also allow you to perform an accurate forward split. [substeps] To do a front split, keep your hips straight and parallel to the floor. Ending2: [title] Work on your backward, front leg. [step] The front leg is the center of force for forward splits. Ending3: Try this basic stretch to increase the flexibility of your hip flexors. [substeps] Get down on both of your knees. Ending4: For your front split, you will need to focus on your hip flexors in the following ways : [substeps] Stretch your hip flexors. Stretch your hip flexors by stretching your hip flexors.

Answer format: ending1/ending2/ending3/ending4