Elsa Pataky showcases her washboard abs in activewear doing a grueling workout at the gym as she reveals she's working on a new fitness book

She's the stunning wife of hunky Thor star Chris Hemsworth. 

And Elsa Pataky can certainly rival her muscly man when it comes to fitness, with the 40-year-old showing off her washboard abs at the gym in Los Angeles. 

The blonde beauty enjoyed a grueling workout at two gyms and shared numerous photos to her blog for Glamour Spain, revealing she's releasing a new fitness book.  

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One hot mumma! Elsa Pataky (R) can certainly rival her muscly man, Chris Hemsworth, when it comes to fitness, with the 40-year-old showing off her washboard abs at the gym

Sharing photos from her workout and photoshoot - presumably for her book - the mother of three wears a crop top with a tiny singlet and dark leggings. 

She has her short locks tied back off her face and appeared to be wearing very minimal makeup. 

The Fast and Furious star can be seen in the snaps lifting a kettlebell as she squats and posing with her trainer and gym owners. 

Sweat it out: The blonde beauty enjoyed a grueling workout at two gyms and shared numerous photos to her blog for Glamour Spain , revealing she's releasing a new fitness book

She also pushes weights, before lifting weights from a stand. 

The Spanish star revealed she enjoys working out at two gyms in Los Angeles, including the iconic Gold's Gym.

'One of the things I like best about LA is that if you like sport and a healthy lifestyle, it’s all very easy to do here,' she said in part of her post, adding that she's 'up for anything' with her training. 

She also hinted she will be doing a mud run challenge. 

Beach babe: Elsa - who has previously released a fitness book called Intensidad Max in 2014 - said her time in Los Angeles has motivated her to do another book

Her man: Elsa is seen here with actor husband Chris Hemsworth at the Golden Globes in Los Angeles earlier this month

Elsa - who has previously released a fitness book called Intensidad Max in 2014 - said her time in Los Angeles has motivated her to do another book. 

'My time in LA has inspired me for my new fitness book that will come out soon,' she said. 

'My dear confidants, I hope one of your New Year’s resolutions is to continue to get fit and to lead a healthy lifestyle,' she added. 

Elsa is known for her flawless bikini body and in November, revealed to OK! Magazine about how she keeps in shape and her favourite healthy juice recipe. 

'An apple, a carrot, some celery with the green leaves, a lemon without the peel,' she begun listing the ingredients.

That's how she does it! Elsa is known for her flawless bikini body and in November, revealed to OK! Magazine about how she keeps in shape and her favourite healthy juice recipe

She continued with the recipe: 'Once it's done, you add a few teaspoons of olive oil. Super good.' 

The fitness enthusiast enjoys a varied exercise routine, consisting of yoga, surfing, boxing, circuit and HIIT sessions.

Elsa is currently in Los Angeles with husband Chris, but the pair are based in Byron Bay with their children, twins Tristan and Sasha, two, and India, four. 

Her clan: Elsa is currently in Los Angeles with husband Chris, but the pair are based in Byron Bay with their children, twins Tristan and Sasha, two, and India, four

 

 

 

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