Free at-home workouts from Kayla Itsines and Sweat to try during lockdown

Millions of Aussies have returned to a state of lockdown due to the current outbreak of Covid-19 across the country, with many more facing time in self isolation.

And while we're familiar with having to adjust our routines by now, keeping your body moving can be difficult at the best of times, particularly during winter.

We've got a bunch of at-home workouts from Kayla and Sweat you can try now! Photos: Yahoo

Outdoor exercise is one of the reasons you are allowed to leave the house during lockdown, but if you're in isolation, or don't want to brave the cold, we've got four at-home workouts and four stretch sessions you can try right now for free, from Yahoo Lifestyle's exclusive Winter Workout Challenge with fitness queen Kayla Itsines and her incredible team of Sweat trainers.

Kayla Itsines: 15-minute full body workout

Kayla Itsines: full body stretch

Kelsey Wells: 15-minute Low Impact full body workout

Kelsey Wells: Full body stretch

Britany Williams: Arms & Abs Barre Class

Britany Williams: Upper body stretch

Kayla Itsines: 15-minute lower body workout

Kayla Itsines: Lower body stretch