Scrotum testicles sometimes displacing.

Very rarely i feel pain but it looks some displacement in my testicles they are in different positions right now i dont feel pain but i am thinking about future 2. from last five days my right side of the neck paining and back pain not only back pain sometimes left side of back and sometimes right side of the back when i mastribated especially. i am mastribating from 4 years now i am controlled but whenevr i mastribute i feel too sicj backpain 3. my penis is liitle bit curvy very slight towards right i think its due to testicle displacement 4.I started zym from 2 days and god diet is it effective to my back 5.3 months back i met an accident on that my left leg joint muscle teared it pains whenever i mastribut and play lot sports IS ANY CURE MAXIMUM HOMEMADE