Bilateral burning pain when using my body

Hello 21 m
It started in an anxiety period and don’t know if it’s related
At the gym one day after just one pull up my 2 elbow and fore arm start burning for 2 month and can’t do sport because it will increase burning sensation
4 month after I start feeling burning in my 2 thumb at same time when using my phone
And other finger start to burn
I have also bilateral psoas burning etc
I don’t think it’s tendonitis since it’s happen without sport
Doc don’t know and blood test is alright
Crp good too