Fitness and wellness trends in 2013

What are some of the hottest trends emerging in the fitness and health scene in 2013?

Look for amped-up yoga festivals, CrossFit madness, green juices over coffee, and the year of the HIIT.

For weeks, fitness bloggers and industry experts have been trendspotting for this new year, and here is the best of the best on the horizon.

Functional training

Sure, it's a fitness buzzword, but with most adults spending up to 20 hours a day sitting or sleeping, this technique targets a range of fitness needs in a short amount of time, says blog FoodandFitnessPro.

Look for an upswing in classes such as TRX suspension training, P90X, bootcamp and kettlebell workouts, all designed to build strength for real-world activities.

Juice is king

According to Well+Good NYC, juice is the new coffee. Juices are a US$5 billion business in the US and are expected to grow by 4 to 8 percent a year, according to Barron's.

Brace yourself for boutique juice shops and high-end urban cafes cold-pressing produce.

HIIT - or high-intensity interval training

The buzz over HIIT is only going to get stronger this year, bloggers say, as the principle of short, quick, intense workouts gets applied to everything from track drills to swimming to push-ups.

CrossFit craze

CrossFit hit the global mainstream with its hellish workouts done in short, intense bursts. But soon most everyone will chatting about WODs as the brand expands even further next year. CrossFit's full product line and Reebok-backed annual competition on ESPN2 only reinforces the brand that much further.

Fitness studios go online

A slew of fitness brands in New York, such as Barre 3 and Physique 57, have introduced online workouts, and that trend is expected to expand, allowing people around the globe to partake in hot new classes. The concept -- pay for a live class or pay a monthly fee for unlimited access -- is the business model of choice for cult-like celebrity trainers Mary Helen Bowers (Ballet Beautiful), Simone De La Rue (BBS TV), and Terri Walsh (ART Virtual Studio).

Yoga festival overload

While the Yoga Journal Conference in the US is the "mother of them all," writes Well+Good NYC, Wanderlust yoga-music festivals have grown to include six annual festivals, including events in Oahu, Chile, and Whistler.

Also urban pop-up versions will likely blossom, and regional festivals are predicted to expand. Even Burning Man in California, a week-long music and art festival for the raving masses, has added yoga.