• Song Flowers, by Miley Cyrus: Lyrics in Spanish and video of her new song

Miley Cyrus

has just marked 'a Shakira' in style and, to celebrate the birthday of her ex, the actor Liam Hemsworth, has brought to light '

Flowers

'

,

a '

revenge song'

in which, basically, she claims how comfortable she feels "herself and her charisma" in her recovered bachelorhood.

But, beyond the force with which

Cyrus

raises the flag of self-love and emotional independence, what powerfully draws the attention of the official video for this new single is the

extraordinary physical shape that she displays and that steely abdomen. What does the American look like?

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Stronger and more flexible than ever, and boasting of privileged

joint mobility

(it is true that she is only 30 years old), the interpreter shows, in a succession of brutally inspiring images,

how she trains

with one of the portable 'utensils' with more pull of recent times.

An 'invention' that, by the way, has also become a fixture in

LeBron James

' exercise routines that, as he already confessed a long time ago, he uses it to maintain his physical condition during confinement.

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What are we talking about?

It's called the

Inertia Wave

and it's basically a 2.0 version of the classic flips.

Without impact on our joints and easy to use (and transport), these rubbers allow the development of exercises in a smooth, rhythmic and coordinated way, avoiding that stress on the joints that occurs when using the rigid battle ropes of a lifetime .

Revised and perfected by MIT experts, the wave it produces when used

generates kinetic energy

that is directly fed back with our own movements.

thus enhancing caloric expenditure: 10 minutes of Inertia Wave 'burns' more than 1.5 km of running.

Like other new generation fitness 'gadgets', such as the famous 'Nucleus' devised by the Spanish Diego Calvo, Inertia is used in

high intensity interval training (HIIT)

, managing to stoke 'our metabolic furnace' and enabling combustion of calories even hours after finishing our session.

Beyond the obvious, that is, the toning work that it entails for the shoulders and arms, the most interesting thing about this system is the muscular activation of the 'core' that it promotes, since all the movements to shake the rubber bands start from that area so crucial to our anatomy that it extends from the bottom of our ribs to our pelvic floor.

"I can love myself better than you can

," says Miley Cyrus in her new song and, watching her train, there is no doubt that she knows how to take care of herself very well (at least when it comes to physical activity).

.

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