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We can always count on Kayla Itsines to share workouts [2] that are both challenging and effective, and a recent Instagram post has us taking notes on her no-machine arm exercises. Calling this set of arm-toning moves "killer," Kayla suggested trying the circuit for three rounds. In the video, the Australian fitness guru breaks down each exercise while looking cute and comfy in the best Adidas workout leggings [3]. Here's the workout that Kayla demonstrates:

The Workout

Repeat the below circuit for a total of three times. Take a break between rounds as needed.

• Negative push-up with reach [4], eight reps
• Bent-over row [5], 12-15 reps
• Up-down plank [6], six reps on each side
• Bicep curl to shoulder press [7], 12-15 reps
• Slow-motion push-up [8], eight reps

As the creator of BBG, or the Bikini Body Guide [9], Kayla is an expert you know you can trust. If you're looking for more ways to tone your arms this year with nothing more than a couple weights and a floor to work with, follow the links above to get a full visual of the moves you can do anywhere, too.