Arnell played just one football match as a junior, in a school tournament in her last year of primary school.[1] A talented state-level junior basketballer, Arnell next played football in 2005 while studying to be a teacher in Ballarat.[2][3][4]
In 2010, Arnell was selected as one of forty players to participate in the women's AFL high-performance camp. As part of the program she played in a curtain-raiser exhibition match ahead of the round 12, 2010 AFL match between Melbourne and Collingwood.[3]
Arnell was drafted by the Western Bulldogs with the twelfth overall pick in the 2013 exhibition series draft.[6] She played for the club in exhibition series matches through the end of 2016.
Playing career
Carlton
Arnell was signed as a priority player by Carlton in August 2016 ahead of the league's inaugural 2017 season.[4] She had previously worked at the club in an off-field role, including in the development of Carlton's bid for a women's team licence.[5] She was named the club's inaugural AFL Women's captain in January 2017.[7] She made her debut in round 1, 2017, in the club and the league's inaugural match at Princes Park against Collingwood.[8]
Carlton signed Arnell for the 2018 season during the trade period in May 2017.[9] She was replaced as captain by Brianna Davey in 2018, instead taking on the role of co-vice captain that season.[10]
Arnell was appointed as the inaugural coach of Port Adelaide's AFLW side in April 2022, making her the first former AFLW player to become a senior coach.[13]
Arnell grew up on a cattle farm in the Victorian town of Clarkefield, 46 kilometres northwest of Melbourne.[4] She spent her later teenage years in Lakes Entrance in the state's east.[5] She is one of a set of triplets.[1]
Arnell studied physical education teaching at the University of Ballarat and has previously worked as a school teacher.[5][1]