Reference –
Choosing your Athlete Type – Xert (baronbiosys.com)
Focus Duration – Xert (baronbiosys.com)
Focus Duration – What is it and how do I train with it? – Xert (baronbiosys.com)
Stress, Focus, Specificity and Strain – Xert (baronbiosys.com)
Lots of newbie tips posted here –
Beginner questions - Support - Xert Community Forum (xertonline.com)
Academy series videos are quickest way to get up to speed – https://tinyurl.com/yfrucamh
FAQs here – Support Home – Xert