<s>[INST] I just fell on the ice today skating with my kids and I landed directly on my chest. It knocked the wind out of me for a moment and now it really hurts from my left side of my chest to my back. It really hurts when I bend over on my left side of my chest. What can I do and what is wrong? [/INST] Hello dear, thanks for your question on Chat Doctor. I can understand your situation and problem. You are having blunt chest trauma due to fall on ice. Following are the possible complications of blunt chest trauma which can cause symptoms, you are having. 1. Rib fracture2. Pulmonary contusions3. Pneumothorax4. Muscular injury better to get done chest x-ray to rule out all these. If chest x-ray is normal then no need to worry much. You are having muscular injury only. So try to follow these steps for better symptomatic relief. 1. Avoid heavyweight lifting. 2. Avoid strenuous exercise. 3. Avoid bad posture and movements in sleep. 4. Start painkiller and muscle relaxant. 5. Apply warm water pad on affected site. Don't worry, you will be alright. </s>