One wrong step took Football Ferns star Hannah Wilkinson from a certain selection for next month's Olympics, to a 50-50 prospect.

The 1.75m forward was this week named in the 18-strong New Zealand squad headed to Rio after a overcoming a serious knee injury.

Wilkinson, one of the Football Ferns' most prolific goal scorers, was just two minutes into an exhibition match for her University of Tennessee side last August when disaster struck before she'd even had a chance to touch the ball.

An awkward change of direction caused Wilkinson's knee to buckle, rupturing her anterior cruciate ligament.

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Once the shock of the pain wore off, Wilkinson had just one thought: "Rio".

The 24-year-old, who made her international debut at 17, spoke to She's Got Game this week about her tough road back to full fitness.

"The first thing I thought of was Rio," said Wilkinson, who was this week confirmed in the 18-strong Football Ferns line-up for Rio.

"I did have some doubts initially, but I knew if I worked hard I would make it back to how I looked before on the field, so through a lot hard work, I think I'm pretty close now.

"Thankfully I didn't do it any later, I would have been cutting it pretty fine."

Also in this week's episode, we chat to some of the stars of the women's sevens team about what it means to them to be among the first group of women to represent New Zealand in rugby sevens at the Olympics.

And finally, we check in with some of our top athletes based overseas in the lead-up to Rio, including Luuka Jones and Emma Twigg, and find out how their preparations are going.

In case you missed last week's episode:

Sky Sports commentator Melodie Robinson joins Rikki Swannell on She's Got Game this week to talk through the likely make-up of the women's sevens team, and assess their medal chances.