Please choose the correct ending to complete the given sentence: Health: [header] How to choose a post workout snack [title] Pick foods with the right focus for muscle growth. [step] After determining that your workout is purely muscle based, you need to understand what your muscles need in order to grow both in size, and in strength. Working your muscles involves the breaking down of them.

Ending1: When you're exercising with muscle, your body processes foods on an " empty stomach. " this leads to feeling empty, which can lead to boredom. Ending2: [substeps] You need something high in protein in order to let your body repair your muscles. You need something with electrolytes/salts in order to keep your body from being fatigued. Ending3: If you're looking to repair damage in your muscle, this means you're going to have to work on removing them in addition to building muscle. A single workout should be enough-you'll be using your entire body to regain muscle and pack the rest into your muscles. Ending4: As each muscle group grows, expand to the next muscle group. Some muscle groups to look for include : [substeps] Flexors: the cartilage surrounding your body.

Answer format: ending1/ending2/ending3/ending4