Get ready for a Dynamite workout. Apple has a few updates for Fitness+ timed with International Dance Day, which is coming up on April 29th, and arguably the most interesting are the new Dance workouts set to Korean pop sensation BTS' music. Through its existing relationship with BTS, Apple will be teaching users the actual choreography from videos for songs like "Dynamite," "Mic Drop" and, very aptly, "Permission to Dance." 

The first of the BTS dance workouts will arrive next week, but Apple is also bringing new content to its Artist Spotlight series. In addition to music from BTS, Fitness+ is also getting playlists from ABBA and Queen. Every Monday over the next four weeks, there will be new workouts featuring each artist across categories like Strength, HIIT, Treadmill, Cycling, Yoga, Pilates and Dance. 

There will be new dance workouts featuring music from other musicians too, including sessions led by trainer Jhon Gonzalez set to genres like cumbia, tango and Indian pop. While the Fitness+ team generally comes up with their own choreography, for the BTS videos they will be teaching the band's own smooth-like-Butter moves. 

Those who work hard enough and shed some Blood, Sweat and Tears (okay, hopefully no blood) on April 29th will be eligible to earn limited-edition awards and animated Messages stickers. You'll have to be On the workout for at least 20 minutes, and Fitness+ will highlight six sessions of that duration to help you Go get those rewards.

On April 25, which by the way is the perfect date for a Spring Day, Apple will also release a new collection of workouts to ease beginners into dancing with three 20-minute guides. There will also be three 30-minute options that focus more on performance, and span categories like 80's classics, Latin music and hip hop. That last one is great for Hip Hop Lovers.

If BTS is your Idol, this news is probably Dope. Or Fire. Apple may add more workouts based on the band's music so Stay tuned for more. And if BTS or dance are not your thing, then Life Goes On.

When we think of wearable technologies, ballet shoes aren’t the first devices that come to mind. In fact, the E-Traces pointé shoes by [Lesia Trubat] may be the first ever “connected ballet shoe.” This project captures the movement and pressure of the dancer’s feet and provides this data to a phone over Bluetooth.

The shoes are based on the Lilypad Arduino clone, which is designed for sewing into wearables. It appears that 3 force sensitive resistors are used as analog pressure sensors, measuring the force applied on the ground by the dancer’s feet. A Lilypad Accelerometer measures the acceleration of the feet.

This data is combined in an app running on an iPhone, which allows the dancer to “draw” patterns based on their dance movements. This creates a video of the motion based on the dance performed, and also collects data that can be used to analyze the dance movements after the fact.

While these shoes are focused on ballet, [Lesia] points out that the same technique could be extended to other forms of dance for both training and visualization purposes.

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Electronic Traces is an interactive project designed to allow ballet dancers to recreate their movements in  digital pictures using a customizable mobile application. It was prototyped by product-designer Lesia Trubat mixing technological, artisanal skills and using Arduino Lilypad, force sensitive resistors and accelerometer:

The concept of Electronic Traces is based on capturing dance movements and transforming them into visual sensations through the use of new technologies. To do this we focused on the ballet shoes themselves, which through the contact with the ground, and thanks to Lilypad Arduino technology, record the pressure and movement of the dancer’s feet and send a signal to an electronic device. A special application will then allow us to show this data graphically and even customize it to suit each user, through the different functions of this app.

The user can then view all the moves made in video format, extract images and even print them. Dancers can interpret their own movements and correct them or compare them with the movements of other dancers, as graphs created with motion may be the same or different depending on the type of movements execute.

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