That’s no knee injury
Dystonia is a broad class of movement and contraction disorders that cause twisting, tremors, and awkward postures that can range from trivial to crippling, and have many causes from psychogenic to tranquilizer withdrawal to neurological diseases. Subtle dystonia is common can be mistaken for ordinary musculoskeletal problems …
Like this hockey referee with a presumed knee injury that was actually an early warning sig of Parkinson’s disease. Everyone missed it, for months.
Not judging. Diagnosis is hard! Medicine is messy!
Okay, maybe judging a teensy bit…
I just added this case study to my article about problem contractions.