<s>[INST] Dear Doctor About 6 months ago I have started feeling a massive pressure and pain in my chest which goes away if I move my shoulders backwards and then it cracks. That gives me a relief for a short while and then all over again. I was surprised how many people have the same issues but nobody seems to have an answer on this one. I am 31 years old, never been seriously injured and I do go to the gym, swim a lot, do football etc. I spend quite a lot time in front of computer as it is my job. The most common what I have noticed with most of us is that we use to lean towards computer screen. But there is not real explanation so far what the real problem is. I look forward to hear from you. Kind regards Tom [/INST] Hello rearward welcome to Chat Doctor.come have evaluated your query in details .* This seems in relation with different possible issues as - muscular ache - inadequate oxygenation at times due to shallow breaths - psychosomatic manifestation of underlying stress, anxiety - others.* The case requires detailed evaluations of many physiological parameters and necessary tests to be carried out. Hope this may help you to understand the query. Wishing you fine recovery. Feel free to ask any further doubts. Regards . </s>