I was swimming 4 x per week fine for over 1.5 years. In this time I was also lifting weights (I enjoy it).

In October, I was out jogging and took a fall. Bruised my left finger and also left shoulder (but didn't feel that bad). I was swimming absolutely fine, no pain. The only thing I noticed was a slight bit of stiffness in the shoulder when doing weights. This passed after a warmup.

I continued doing weights and always noticed my shoulder was stiff (maybe a little painful - like a tight feeling) for the first few reps (when performing benchpress or shoulder exercises) but this always eased as the workout went on. I never felt any discomfort when swimming.

At the end of Dec, I figured the stiffness feeling was not a good sign. So I stopped weights and swimming.

My shoulder feels exactly the same, and it always feels stiff until I do some stretching etc.. when it then feels normal again. After a few hours, the stiffness returns.

I have no idea what this could be, any ideas?

Thanks