Port Elizabeth - South African bowler Wayne Parnell was forced to leave the field in the middle of his ninth over after a left groin strain on day three of the second Test against Australia at St George's Park, in Port Elizabeth, on Saturday.
Live Updates: SA v Aus - Day 3
After consultation with captain Graeme Smith, Parnell went off the field.
Parnell went to hospital where scans revealed it was a groin strain, which required five to seven days recovery.
It meant Parnell would be in doubt for the third Test, starting in Cape Town on March 1.
Parnell would be able to bat in the second innings, but would not be able to bowl again in the second Test.