The Liverpool midfielder received 20 minutes of treatment on his right calf and sat out of the rest of the session, prompting fears for his fitness ahead of England's World Cup opener on June 12th.
Gerrard is expected to return to training today, where his fitness will be closely monitored by Fabio Capello and the England staff.
Meanwhile, Gareth Barry looks certain to win his fitness battle ahead of the Finals, after scans revealed the Manchester City midfielder's ankle ligament injury was recovering at a faster rate than expected.
- Football.co.uk staff
CLICK HERE TO GET BEHIND ENGLAND AT THE WORLD CUP
Source: DSG
