The miraculous healing power of Brisbane captain Michael Voss has surfaced again with the Lions skipper to play in the AFL semi-final against Adelaide on Friday.

On Monday, coach Leigh Matthews said Voss was highly unlikely to play in the sudden death final at the Gabba having aggravated a knee complaint last week.

But Matthews said the captain had proved his fitness enough to ensure he played at "Michael Voss's level", although he conceded he won't be firing at 100 per cent.

"We think 100 per cent is probably unrealistic but that's as much to do with conditioning process, his history over the last couple of months," Matthews said of Voss.

"But we're confident he's well in the 90 per cents, otherwise we wouldn't be playing him."

The bad news for the Lions, who will meet a near full-strength Crows side, is that vice captain Chris Scott (groin) is out while utility Tim Notting is serving a one match suspension.

Into the team comes small forward Craig McRae, who has recovered from a hamstring injury, while youngster Richard Hadley will play the second game of his career.

The other injury concern, ruckman Clark Keating (shoulder) negotiated training and with Jamie Charman will meet the best big man combination in the AFL - Rhett Biglands and Matthew Clarke.

Meanwhile the Crows should expect a warm reception at the Gabba with a near sell-out crowd on Friday and a night time temperature of between 18 and 22 degrees.

"It should help us. Warm conditions almost inevitably help the home side," Matthews said.

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