How do I solve 12 across in Daily Telegraph Cryptic 31238?

Question

Accepted Answer

12 across reads "Having dislocated elbow, dad runs off" (5,3 letters); the answer is BELOW PAR. It's an anagram clue: the answer is a rearrangement of letters supplied by the clue itself. Look for an indicator like 'mixed', 'broken', 'cooked', or 'wild', and find a phrase whose letters add up to the answer's length. The full step-by-step breakdown is on this page.

Having dislocated elbow, dad runs off (5,3)

12A — Having dislocated elbow, dad runs off (5,3) — BELOW PAR