By Ilaria Brophy and Caleb Taylor For Daily Mail Australia
Published: 15:11 BST, 23 May 2019 | Updated: 16:21 BST, 23 May 2019
She's the former Biggest Loser trainer who regularly shares her fitness tips on social media.
And on Thursday, Tiffiny Hall, 34, revealed how to achieve enviably toned arms in a video shared to Instagram.
The former Gladiators star showcased her super svelte physique in skintight activewear as she performed a gruelling upper body workout at the gym.
Fighting fit! The Biggest Loser trainer Tiffiny Hall (pictured) showcased her super svelte physique in skintight activewear as she shared her fitness tips for enviably toned arms
The health and fitness guru could be seen showing off her enviably taut guns as she moved one arm back and forth with the cable crossover machine.
She also offered fans a glimpse of her ripped abs and perfectly chiseled shoulder muscles as she turned her backside to the camera lens.
'Locked into the rhythm and working on my punching power. When I use gym equipment, it's not just to sculpt my muscles (that's a bonus!) but to increase strength, power and stamina,' she began in the