Former Australian pole vaulter and exercise physiologist Amanda Bisk is one of the original fitness influencers - she discusses the impact of social media on the evolution of fitness culture and shares tips to help you train more efficiently.    WANT MORE FROM AMANDA? For more on the XX festival, see here. You can catch Amanda @amandabisk or for more on her Fresh Body, Fit MInd app, see here.    WANT MORE BODY + SOUL?  Online: Head to bodyandsoul.com.au for your daily digital dose of health and wellness. On social: Via Instagram at @bodyandsoul_au or Facebook. Or, TikTok here. Got an idea for an episode? DM host Felicity Harley on Instagram @felicityharley.  In print: Each Sunday, grab Body+Soul inside The Sunday Telegraph (NSW), the Sunday Herald Sun (Victoria), The Sunday Mail (Queensland), Sunday Mail (SA) and Sunday Tasmanian (Tasmania).  See omnystudio.com/listener for privacy information.