This is Dr Basu, experienced Internal Medicine Specialist.
I am here to address your concerns and provide great service.
I understand your concerns.
But you are young at age--cancer and heart disease are not common for your age.
Periodic symptoms are not typical with serious underlying condition.
The oxygenation will progressively worsen.
That will manifest as persistent worsening o breathing, not being able to walk around for doing routine activities even.
On the other hand, your current symptoms can be explained by the muscle stiffness, spasms.
Overuse related and relative weakness from lack of exercise can make chest, back and wrist muscles weak and more prone to these symptoms over sustained activities.
You should still see your doctor for clinical evaluation, chest xrays, ekg for further reassurance.
It was my pleasure to help you today.
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