Australia spinner Nathan Lyon suffered a close calf wounded during time 2 of the 2nd Ashes Test astatine Lord's and volition beryllium assessed further aft play.
Lyon pulled up erstwhile moving to tract a shot and had to beryllium helped by the physio arsenic helium walked backmost to the dressing room.
Earlier successful England's innings, the 35-year-old took his 496th Test wicket by dismissing opener Zak Crawley.
The off-spinner took 8 wickets successful Australia's triumph successful the archetypal Test astatine Edgbaston past week.
Off-spinner Todd Murphy, who made his debut successful February and has played 4 Tests, is the lone different spinner successful Australia's squad.
Murphy, 22, returned figures of 7-124 successful his archetypal Test against India and took different 7 successful the remainder of the series.