Silly cramp/spasm thing that keeps happening under left boob

[bizzey]

It is hard to explain ,but when I bend to put n]y socks/shoes/boots on it sort of "catches" and hurts. More annoyingly painful rather than serious pain,....but still leaves me unable to move till it passes.

Anyone had this ...thanks

Is it more painful when you take a deep breath?

Tietze's syndrome?

Don't ask. Run. To the GP. Not saying its anything bad, it could be a little trapped nerve. But please get it seen too as soon as possible, for your own sanity as well.