When it comes to getting toned, gone are the days of Jane Fonda, Richard Simmons, or walking on the treadmill at the gym.
'In' are specialty classes tailored to your specific interests -- from boxing to drumming, dancing, and acrobatics.
We're checking out the hottest workouts to keep you in shape, and to help you keep that New Year's resolution.
First up: low-impact classes like Vertical Fitness. Aerial silks are elegant, but to make this look effortless requires serious strength (think Pink's performance at the Grammy Awards).
'I was looking for a new way to work out and stay motivated,' said Kori Kopsi. 'A lot of other workouts weren't working for me; I couldn't stay interested. but t his I fell in love.'
Kopsi said she's gaining strength and stamina and self-esteem.
'When I first got here, I could barely lift myself off the ground; now I can go upside-down in the air and all sorts of things,' she said.
Other workouts were too boring. Kopsi said this engages her creative 'artsy' side with her desire to be fit and flexible.
'I'm hardly the kind of person who wants to do reps of anything; I'll be like, 'Oooh, it hurts!' But this, I feel like I'm hardly working sometimes,' Kopsi said.
Small movements -- that's the trick to Pure Barre, a class promising to lift, tone, and burn. Rachel Rode said this is her bridal boot camp.
And don't be fooled by the bar, the class doesn't require experience.
'I'm not a dancer or a ballerina,' Rode said.
Instead, she's just a client working to tone arms, specifically, while having fun.
The concept is to first fatigue the muscles to exhaustion, then to stretch. The bar supports sometimes awkward positions that target muscles you didn't realize you had.
'I like that it moves really quick. You go from one exercise to the next so you don't feel like you're in agony and it's boring,' Rode said.
Pure Barre is better than a personal trainer. Here she's gaining long lean muscles, while being motivated by the group.
'I just feel like overall everything is more toned... my arms, my legs, abs -- everything,' Rode said.