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The sky remains a hazy shade of winter, keeping most of us from going outside, let alone to the gym. So NY1 recently made a neighborly stop with Nikki Glor of nikkifitness.com who showed us how you can still get that calorie burn from home since it is far from "burning" in the cold.

"A 30 minute workout even if you do it three times a week really will et you to your goals. And muscles have memory. So when you are ready to do that half marathon in the spring you won't have far to go," explains Glor.

Glor's signature moves combine toning and cardio intervals that not only boost metabolism, but because they are combined, can cut home workouts in half. First in the series is the lunge and leap.

"For the lunge and leap move, you lunge to the side working your inner thighs then you leap up in the air working your calves, glutes, quads and backside, and then lunge to the other side to hit that other inner thigh," says Glor. "It is a great kind of move and because you are on one side then the other, you are working your abs because you are a little bit off balance."

Sticking to a winter theme, you can also try indoor moguls.

"Our side moguls also mean that you are a little off balance, your abs kick in to work and you are jumping from side to side like you are skiing," says Glor.

The Nordic-Track maneuver is based on an old family favorite.

"I made this up because my parents, the only workout equipment they have at home is an old wooden Nordic-Track machine," says Glor. "So I mimic that because I think that is a great workout. And then we do jumping lunges which are really intense so you can modify it or change the levels by doing Nordic-Track and then jumping lunges, and put a little ski action in there with your arms to get a little arm workout too."

Glor says a good rule of thumb is to spend two to three minutes on each set for a total of half an hour. To that end, you can't finish up a hibernator's indoor, winter workout without a few snow angels.

"Snow angels, I combine a plyometric move called the squat thrust," explains Glor. "So do two jacks using your arms to make that snow angel move. You jump onto the floor into a plank -- working your abs -- do a push up to work your chest and your arms, and then as you come back up to a plank you move your legs in and out creating the second part of the snow angel move. Then you pop up for the squat thrust, firing through your legs to reach up to the skies. So it's sort of an all body workout."