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Fitness Trainer Katie Crewe in Two-Piece Workout Gear Shares "Core Workout"

"If you can fit in 20 minutes, or 10 min twice a day, give this a go!”

Katie Crewe
Katie Crewe/Instagram

Katie Crewe is sharing a core workout – in her two-piece workout gear. In a new social media post, the trainer shows off her amazing body in a belly-baring set. “How many months or years did you start working out postpartum? I’ve been thinking of sharing a week of 10 min and under daily workouts that are appropriate for postpartum. Drop me a ⭐️ if this would be helpful for you! If you can fit in 20 minutes, or 10 min twice a day, give this a go!” she captioned the Instagram video. How does she approach diet, fitness, and self-care? Here is everything you need to know about her lifestyle habits.


1. Focus on Building Strength

“My whole view on training and relationship with myself changed when I stopped trying to use my workouts as a way to get smaller and started trying to be more powerful. Your workouts shouldn’t be a way to punish yourself or to “earn” food. Your workout isn’t more successful because you burned the most calories possible. Lift weights to be stronger and more powerful, to feel more confident, and to make your everyday life easier. Lift weights so elderly you thanks you for the strong bones and increased capabilities. It’s a tough but extremely empowering mindset shift that I’m so grateful I made,” Katie wrote in a post.

2. Do a Warm Up Set

Katie recently shared “tips for when you’re short on time but don’t want to compromise on your workout.” One of them is not skipping workouts. “Last time I posted about warm-ups, a surprising number of people said that they do a dynamic warm-up but no warm-up sets (maybe it was only surprising to me). Let me know below what your warm-ups usually look like (please, for research :p),” she says. “If you’re short on time I’d still recommend doing some warm-up sets. I cut down on some of my dynamic warm-up but not much on my warm-up sets because I really need these to acclimate to the weight and feel prepared.”

3. Agonist-Antagonist Paired Sets

Katie Crewe.2Katie Crewe/Instagram

She also recommends agonist-antagonist paired sets. “This is the one I will use most frequently when trying to save time. Pairing opposite muscle groups (e.g. hamstring curls and quad extensions) allows one to rest while you’re performing the other exercise. I still usually rest in between but 30 sec-1 min vs 90 sec-2 min. As long as you’re not still puffing from your last set, your strength shouldn’t be compromised,” she wrote.

4. Always Do Something

“The most important tip is that going and doing something, even if it’s 1/3 of what you planned for, is still benefiting you. You still moved your body, it helped you maintain the habit, and it helps get you out of an ‘all or nothing’ mentality when it comes to working out – which can really work against you in the long run,” she added.

5. Her Core Workout

Here is Katie’s full core workout:

🔺360 degree breathing - 2 min

🔺Pull-in pulses - 3x10 pulses, 3 times per set

🔺Side plank pull-ins - 3x10-15

🔺Heel drops - 3x16

🔺Glute bridges with adductor squeeze - 3x15

🔺Bear hovers - 3x10-15

🔺Kneeling to tall kneeling - 3x10-15

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