Leading Australian triathlete Emma Jackson is working with Biomechanists at the AIS on her swimming stroke correction.

Leading Australian triathlete Emma Jackson is working with Biomechanists at the AIS on her swimming stroke correction. Photo: Jay Cronan

Leading  Australian triathlete Emma Jackson thinks national selectors need some discretionary powers, but believes their selection criteria needs to be more specific and state exactly which races will be used to select teams in the future.

Triathlon Australia will announce their Commonwealth Games team on Thursday at 11am, with Emma Moffatt and Aaron Royle already guaranteed one of the three men's and women's spots up for grabs for Glasgow.

The pair both qualified automatically as the first Aussies across the line who also finished in the top eight at the world championships final in London last year.

 The other four picks are largely up to TA selectors' discretion.

Jackson is expected to be selected, having also finished in the top eight at the worlds. Ashleigh Gentle is a possibility to round out the women's team.

Two years ago the Aussie triathlon team was embroiled in controversy following the selection of Jackson ahead of 2008 Olympic Games gold medallist Emma Snowsill.

Snowsill challenged the decision unsuccessfully and was unable to defend her Olympic crown.

Jackson was expecting a lot less drama this year, but thought the selection criteria still needed some tinkering.

With every course different and random events such as crashes and flat tyres common place, she said having one selection race – like they do in swimming – wasn't fair.

"I don't think the whole team should be selected from just one race, I do kind of agree with the discretionary process, it just needs to be a bit more clear cut," Jackson said.

"They could specify which races they're going to look at, maybe say it might go by ranking ... clarify a bit more and give a direction of what you should be aiming for and what races you should be peaking for."

Jackson felt a massive letdown following the London Olympics, where she finished eighth, and struggled for motivation.

She admitted part of that was due to the stress surrounding the selection process.

"It  was a stressful process and I didn't know I was in the team until about eight weeks before the race," she said.

"It wasn't the most ideal preparation ... I realised how stressful it was after the race and towards the end of 2012, where I really started to struggle a bit with training and motivation and just being generally tired from the whole year."

Jackson spent the last two days in Canberra refining her swimming stroke at the Australian Institute of Sport.

Both her and coach Stephen Moss worked with AIS biomechanist David Pease, using video analysis to work on her technique.

She also trained with AIS swimmers, including Olympic gold medallist Alicia Coutts and backstroker Belinda Hocking.

Jackson said the swim leg set up the race and any improvements in her technique would help her get ahead of the pack into clear water.