<s>[INST] Wacked my back of my hand hard on a gate heard a crack pain immediately brought me to sit on the floor I don t see and bruising or swelling but get sharp pains goes up my arm. Can move fingers but sore. When close my hand on have pain on the outside of my hand. What should of do? [/INST] Hi, immediately apply ice for ten minutes and strap the hand, and then get it x-rayed. It might be a fracture. Regards </s>