Crossword Genius

Cold climb posing problem for athlete? (5)

Ross

I believe the answer is:

cramp

'posing problem for athlete?' is the definition.
(an athlete may get cramp)

'cold climb' is the wordplay.
'cold' becomes 'c' (eg on taps).
'climb' becomes 'ramp' (ramping is a kind of climbing).
'c'+'ramp'='CRAMP'

(Other definitions for cramp that I've seen before include "Involuntary muscular contraction" , "To restrict; a muscle pain" , "Painful muscle problem" , "Confine - muscular spasm" , "Involuntary and painful contraction of a muscle" .)

I've seen this clue in The Guardian.
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