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3 workouts for new moms: Jenna Wolfe's 'Thinner in 30' fitness challenge

Nail your biggest fitness resolutions in just 20 minutes or less.
/ Source: TODAY

In honor of Start Today, a new series to get you moving and motivated through 2016, TODAY's introducing ways you can nail your biggest fitness resolutions in just 20 minutes or less.

Jenna Wolfe, author of "Thinner in 30," stopped by TODAY Tuesday to help Jenna Bush Hager get started on her month-long journey to lose weight.

But for Hager, it's not about the number on the scale — it's the positive mentality that comes from setting aside time for herself.

READ: Jenna Bush Hager reflects on 10-year-old self's New Year's resolution to lose weight

"After a second baby, I — I have no time. So I feel like change is scary," Hager said on TODAY. "And I feel like a lot of moms probably feel that way. A lot of people probably feel that way."

It's a common fear that's all too familiar to women that have recently had children, and even to others that have other reasons for avoiding the gym.

"It's terrifying. It's absolutely terrifying. We fail to — to remember that we didn't gain all this weight in a day," Wolfe said. "We can't lose all the weight in a day."

RELATED: 3 new fitness trends to nix boredom and spice up your workout

Knowing that time is valuable, especially as a mom herself, Wolfe designed this workout to help even the busiest person find a few minutes within their day (3 times a week) to tackle those fitness goals.

Mini-Circuit #1

  • 20 apple pickers / 20 jogs in place
  • 16 apple pickers / 16 jogs in place
  • 12 apple pickers / 12 jogs in place
  • 8 apple pickers / 8 jogs in place
  • 4 apple pickers / 4 jogs in place

Mini-Circuit #2 (Do 2x)

  • 50 shoulder circles (forward)
  • 10 jumping jacks
  • 50 shoulder circles (backward)
  • 10 jumping jacks
  • 100 reverse claps
  • 10 jumping jacks
  • 50 reverse claps
  • 10 jumping jacks

Mini-Circuit #3 (Do 3x)

50 hip raises

  • 15 toy soldiers

Mini-Circuit #4 (Do 2x)

  • 20 upper cuts
  • 20 quad drops
  • 20 wide-leg shuffles in place

Mini-Circuit #5

  • 10 front kicks (left leg, right leg equals 1 rep)
  • 10 squats
  • 9 front kicks
  • 9 squats (continue all the way down to 1)

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WEEK #1 – Getting started!

When you're at home:

Whenever you're standing around, lift one foot off the ground. Balancing on one leg will really work that all-important core.

When you're at work:

Seated at your desk, without leaning back in your chair, alternate lifting each foot off the floor as fast as possible as if you're doing a football shuffle. All the while, hold your abs tight and engaging your core. Aim for 300-500 over the course of your day.

When you're at the gym:

  • 6-minute treadmill run/20 pushups
  • 5-minute treadmill run/20 bicep curls
  • 4-minute treadmill run/20 triceps dips
  • 3-minute treadmill run/20 supermans
  • 2-minute treadmill run/20 upper cuts w 3-pound weights
  • 1-minute treadmill run/20 pushups

When you only have 5 minutes:

  • 5 jumping jacks/5 pushups
  • 4 jumping jacks/4 pushups
  • 3 jumping jacks/3 pushups
  • 2 jumping jacks/2 pushups
  • 1 jumping jacks/1 pushups

When you have 30 minutes:

  • 5-minute warm up jog/run

Then two rounds of...

  • 100 jogs in place
  • 90 butt kickers
  • 80 high knees
  • 70 mountain climbers
  • 60 tricep dips on the floor
  • 50 squats
  • 40 pushups (on knees if necessary)
  • 30 Russian twists
  • 20 jump squats
  • 10 burpees