Each player grabbed a partner and completed different combinations before switching and the other did the same. The strain of the hard work became apparent on the players' faces as the session continued, lasting over half an hour.
While some boxed, others hit the bikes and sweated it out by working through various settings.
View photos from the session below.
Matt Spangher works hard during the session with Ryan Schoenmakers.
Youngsters Bradley Hill and Billy Hartung pair up as the former gets in his defensive position.
Watch out, Ben McEvoy is ready to land another big punch.
Check out how hard Jarryd Roughead is working. The expression on his face says it all.
And Brian Lake is working just as hard.
Isaac Smith in action.
Cyril Rioli lands one on the glove of Derick Wanganeen.
Josh Gibson worked up a decent sweat throughout the session.
Young Will Langford stops to grab a drink.
Then gets back into with Mitch Hallahan.
Cyril Rioli gets ready as the boxing coach changes tact.
Roughead defends as he cops one to the stomach.
A determined looking Schoenmakers works with Spangher.
Angus Litherland sweats it out on the bikes.
As do Shaun Burgoyne, Kyle Cheney and Ben Stratton.
The bikes were tough, says Jordan Lewis as sweat pours off him during the session.
