Pain is systemic. There are lot of studies collecting data and showing that people with the same physical abnormalities experience varying degrees of pain.
For example, my spine has lost its natural lordosis and is completely flattened yet I experience no pain. My mother has several disc hernias and disc protrusions along with degenerative changes due to age, no pain. She had shoulder pain and the physical issue was calcification of tendon. There are people with calcified tendons, no pain.
My father had massive back pain issues with degenerative changes of spine that don’t cause any pain to some. The moment he started fixing a systemic issue of the back being weak and sensitizing the tissue he started experiencing less pain.
For example, my spine has lost its natural lordosis and is completely flattened yet I experience no pain. My mother has several disc hernias and disc protrusions along with degenerative changes due to age, no pain. She had shoulder pain and the physical issue was calcification of tendon. There are people with calcified tendons, no pain.
My father had massive back pain issues with degenerative changes of spine that don’t cause any pain to some. The moment he started fixing a systemic issue of the back being weak and sensitizing the tissue he started experiencing less pain.