Kourtney Kardashian, now seven weeks postpartum, resurfaced after taking a break from social media with a gym workout post.
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The mom revealed she was also a fan of the popular 12-3-30 treadmill routine that has been all the buzz lately.
“7 weeks postpartum: first day in the gym doing 30 minutes walking 3.0 12.0 incline,” she wrote.
“Taking it easy, no rush, no pressure mamas. Your body is healing. It’s not a race.”
The simple exercise routine was popularized by influencer Lauren Giraldo, who shared the routine on TikTok in November 2020, according to Cosmopolitan.
Lauren credited the routine for her weight loss, which is easy and simple enough for her to stick with, as someone who used to find the gym “intimidating.”
The workout quickly went viral through social media grapevines, with countless influencers swearing by the routine.
Melissa Lattari, a 30-year-old fitness coach, said that she was able to quit fad diets and workouts thanks to finding the right workout for her.
“Stop following crazy diet fads and workouts with a bunch of different exercises.
“To see growth all you need is a structured workout routine, a customized meal plan, and get your steps in,” she said in a TikTok video.
Morgan Greene, a vlogger, revealed she was able to lose 25 pounds simply by committing to 12-3-30 and being mindful of her diet.
Experts, such as Deep Freeze’s Sammy Margo, also raved about the straightforward workout.
“As a huge fan of walking, the 12:3:30 challenge is not going to be the only answer to your weight loss needs but it’s a great place to start if you normally avoid the gym,” Margo told The Sun.
Unlike more demanding exercises such as weightlifting, Margo explained that the 12-3-30 workout was a low-entry barrier to fitness.
“One positive about the trend is the steady low-impact training which will burn fat without stressing your joints.
“But you do need to combine it with a reduced calorie diet to shift the pounds and aim to workout 3-4 times a week.
“I would also suggest adding a few body weight exercises, such as lunges, squat holds, press-ups on the knees, single arm plank, and sit-ups to target specific areas, such as belly fat and biceps.”
Aimee Victoria Long, a personal trainer and Pilates instructor, added that 12-3-30 was also accessible to more folks than other workouts.
“It’s a great idea for anyone who may already be suffering from lower body joint issues with their knees or ankles,” she said.
Studies have shown that walking just 20-30 minutes a day can increase cardiovascular fitness, strengthen bones, reduce excess body fat, and boost muscle power and endurance.
While 12-3-30 may sound low-risk, high reward, women’s strength training coach Caroline Idiens warned against overreliance on the exercise.
She said it would “only be working the leg muscles but more importantly, it is putting a huge amount of stress on the lower back, the knees and compromising your posture”.
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