Jesus healed a crippled woman on the Sabbath, much to the annoyance of the synagogue ruler. Let's first examine the facts of the case. We are not told the age of the woman but we are informed that she had been suffering from a deformity of the spine for 18 years.
Osteoporotic collapse is one possibility, as is osteoarthritis.
However, we are told that the disease process started 18 years before, when the woman would have been at an age too young to suffer from these senile degenerative conditions. However, it usually affects two adjacent vertebrae and the disc between causing a localised angulation of the vertebral column rather than rigidity of its whole length. Having excluded these conditions the most likely remaining diagnosis is that of ankylosing spondylitis. Nonetheless, it does seem that in her case it was an evil spirit that had caused the physical disease. This healing certainly divided those who saw it.