Toro Rosso driver Sainz, 21, was airlifted to a hospital after Saturday’s crash. His car struck barriers after losing control of his car going into turn 13 at the circuit in Sochi.
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Sainz made a thumbs-up gesture from a stretcher and did the same in a Twitter post from the hospital.
Sainz manager Borja Ortiz-Echague wrote on Twitter: “@carlosainz is fine. They are doing the tests and he’s ok. Nothing hurts! Thanks for the messages.”
A Toro Rosso statement read: “After arriving at the Sochi Hospital 4, Carlos Sainz, who never lost consciousness, underwent a medical examination, including a full body scan. The scan showed that the driver has no injuries. However, he will be staying in the hospital overnight as a precautionary measure, which is the normal procedure in these circumstances.”
Sainz was to spent Saturday night under hospital observation.
