Which of the following did Jo say had been shown to have a massive correlation with all cause mortality?

How did Jo suggest that one can rehab/stabilise the rotator cuff without deltoids and lats being involved?

What did Jo say is the most common reason for treatment to fail in rotator cuff tears?

What is the primary benefit of hydrodilatation in frozen shoulder cases?

Frozen shoulder is most common in patients in their 50's.  Which of the following did Jo say might cause it to occur in younger patients?