ADELAIDE'S injury crisis has claimed skipper Taylor Walker, with the key forward set to be sidelined for several weeks.

Meanwhile, All Australian midfielder Matt Crouch and lock-down defender Luke Brown are in doubt for Friday night's clash with the Western Bulldogs at Adelaide Oval.

Forward Riley Knight has also been ruled out with hamstring tendinitis, but ruckman Sam Jacobs has been cleared to play after overcoming a back injury.

Crouch and Brown are sore from last Saturday night's thrilling five-point Showdown loss to Port Adelaide.

The Crows don't have a timeline for Walker's return, but he's set to miss at least a few weeks to get in a solid block of training.

Walker's interrupted pre-season due to a plantar fascia foot injury in February has hampered the start to his season.

"The reality is that Tex's preparation has been pretty interrupted right from pre-season," Crows assistant coach Matthew Clarke told reporters on Friday morning.

"He's had a series of niggles that have come up along the way.

"It won't be extended, but it will be a period of time that allows him to physically able to perform.

"Is it six, 10 weeks? No, it's not that range, he needs to do the work that he can get out there and perform at the level.

"No tear, but some irritation to his back and glute."

Clarke said Walker's injury was unrelated to the hamstring injury that forced him to miss the round seven win against Carlton.

Walker injured his glute in the second quarter of the Showdown, but returned to finish the game, including booting a 60m goal in the last quarter.

"He finished the game, but he was restricted," Clarke said.

The Crows will see how Crouch and Brown pulled up from Thursday morning's training session before deciding if they're ready to face the Bulldogs.

"Selection tonight will determine whether or not we get all our players out there, but we're ready to roll, Clarke said.

"Any time you've got a six-day turnaround, you've got players that need to get up and get ready to play."