The most common and most likely answer to this crossword clue is the 10 letter word OSTEOPATHY
I've seen this crossword clue in The Daily Telegraph
O
S
T
E
O
P
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Y
More clues leading to the result OSTEOPATHY
- Note old way into very big Yankee's joint exercises?
- Use those to pay for treatment
- Mashed potatoes, healthy skin treatment
- Treatment making hotpot easy
- Potatoes mashed to go with healthy skin treatment?
- Form of treatment that may be shown in photo, as yet to be developed
- Practice rolling joints, perhaps
- Hope to stay involved in medical practice
- A versifier very upset over your massage
- The pay’s too irregular in this branch of medicine
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does OSTEOPATHY mean?
OSTEOPATHY noun- The branch of therapy based on manipulation of bones and muscles.
- Any disease of the bones.