Please choose the correct ending to complete the given sentence: Health: [header] How to ease sore muscles [title] Apply ice immediately after exercise or injury. [step] Ice prevents painful inflammation, and applying ice shortly after a work-out can slow down the inflammation process that causes muscle soreness. Wrap a bag of ice in a towel or t-shirt and apply to the affect muscles for 20 minutes.

Ending1: [substeps] This method works best for sore muscles with limited activity or a moderate intensity of exercise. [title] Try using a calamine lotion to ease pain. Ending2: Rest for 40 minutes and then reapply the ice for another 20. [substeps] Never apply ice directly to the skin or for more than 20 minutes, as this can cause frost-bite. Ending3: [substeps] Wrap a towel around your injured muscle and then apply the ice for 20 minutes. If you're struggling to stay in a position that's uncomfortable, there are other options, such as using dental floss. Ending4: Remove the ice and heat away immediately if you begin to feel relief. [substeps] You can also apply ice therapy to specific back muscles.

Answer format: ending1/ending2/ending3/ending4