In accordance with Football Association head injury guidelines, Ki was sidelined for at least six days.
"I felt really dizzy after the game and had a big headache for a few days, but I feel good now," Ki told the club's website (www.swanseacity.net).
"I had a few days of rest and I had ice on my face for two days, but now I’m back in training and ready to play this weekend."
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Swansea, four points and two places above the relegation zone, can extend their unbeaten run to five league games if they avoid defeat Southampton.
(Reporting by Simon Jennings in Bengaluru; editing by Justin Palmer)
