By Thomas Duff For Daily Mail Australia
Published: 04:51 BST, 20 June 2019 | Updated: 04:51 BST, 20 June 2019
A gruelling gym regime has made rugby league's strongest woman the most feared player in the game - even among her own teammates.
NSW State of Origin star Isabelle Kelly, 23, fell in love with the gym over four years ago and now uses an intense training program that focuses on strength and dexterity to benefit her on the field.
Kelly has reached a personal best squat of 130kg despite weighing just 71kg herself, which is the average squat capacity for elite athletes who weigh more than 90kg.
NSW State of Origin star Isabelle Kelly (pictured left with her friend, Alicia English), 23, fell in love with the gym over four years ago and now uses an intense training program
Kelly's teammate, Blues halfback Maddie Studdon, said other NSW players don't like playing against her during club games because she is so hard to tackle.
Studdon said it was one of the first things her teammates all talked about when they arrived at camp.
'We all see her in the gym but she's even stronger on the field