Alyssa Healy explains 'funky' stumping

Alyssa Healy has been working hard on her glovework but Sunday's remarkable stumping isn't the sort of thing that crops up at training.

Healy has hit serious form with bat and gloves in the women's Ashes, having topped the run-scoring list for the ODI section of the series after knocks of 18, 56 and 71.

The 27-year-old also contributed fodder for the series highlight reel during England's innings on Sunday, when the visitors recorded a 20-run win in Coffs Harbour.

Healy, up to the stumps while keeping to spearhead Megan Schutt, held a sharp catch but even more impressive was her dismissal of Tammy Beaumont.

Beaumont, the player of the tournament during England's World Cup success earlier this year, was well set on 74 when she misread a full delivery from Schutt.

The ball spat out to the leg side.

The quick-thinking keeper raced after the ball then slapped it onto the stumps, timing it all to perfection so the bails were dislodged as Beaumont momentarily stumbled out of her crease.

"You try some funky stuff and every now and then end up looking like an idiot, so it was nice for it come off for a change," Healy told AAP.

"Definitely never done it in training. It was a reaction, bit of a reflex.

"Lucky it came off today and I didn't look like a fool."

The third umpire confirmed Healy had conjured a breakthrough out of nowhere, with the only debate being whether it was stumped or run out in the scorebook.

Healy has recently worked on mastering some different strokes with the bat, while she has been fine-tuning her glovework under the guidance of Australia assistant coach Tim Coyle.

"He's a fantastic fielding and wicketkeeping coach. It's great work with him every day and improve all areas of that side of my game," she said of Coyle, who mentored Tasmania's men to their first ever Sheffield Shield title in 2007.

"Really happy with how the keeping is going.

"I've worked really hard on my batting, on expanding my game and playing a little bit more 360 degrees.

"There's always areas to improve and no doubt the next couple of weeks I'll get a chance to do that."

Australia hold a 4-2 points lead in the women's Ashes. Victory in next week's one-off Test will ensure they retain the urn.