Heidi Kristoffer
SHAPE magazine
New York, NY, United States
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Past articles by Heidi:
Should You Monitor Your Pregnancy Heart Rate During Exercise?
Pregnancy heart rates (especially during exercise) have long been a topic of conversation. But there's now a better way to keep your prenatal workouts within a healthy exertion zone. Here's what to try instead of pregnancy heart rate monitoring. → Read More
Yoga Poses for Headache Relief
These moves can help keep headaches at bay and stop those migraines from creeping in. → Read More
The BIG Lesson I Learned about Yoga and Cardio from My Apple Watch
Does Apple Watch yoga count as a cardio workout? Learn more, then check out our top 13 health apps—for everything from meditation to yoga to weight loss that are now tapping into Apple Watch's features. → Read More
Why This Veteran Yoga Instructor Wants You to Stop Doing Headstands
Why you'll never heat her cue this inversion in class. → Read More
The HIIT-Meets-Yoga Class That Helped Me Lose 50 Pounds After Pregnancy
I tried almost everything to lose the baby weight after giving birth to my twins, but it was ultimately the practice that my body already knew and loved that helped me get my confidence back. → Read More
What You Need to Know About Heart Rate During Pregnancy
Here's what you need to know about monitoring your heart rate during pregnancy. → Read More
Challenge Your Core with This Advanced Yoga Flow for Strong Abs
This yoga flow is not for the faint of heart, but the abs exercises will leave you with a rock-solid core. Complete the sequence three times through for the kind of sore that feels so good. → Read More
Challenge Your Core with This Advanced Yoga Flow for Strong Abs
This yoga flow is not for the faint of heart, but the abs exercises will leave you with a rock-solid core. Complete the sequence three times through for the kind of sore that feels so good. → Read More
Break a Sweat with This Hot Yoga Flow That Burns Out Your Muscles
This intense yoga flow uses both isometric holds and cardio bursts to burn calories and tone muscles. It's sure to get you sweating! → Read More
Break a Sweat with This Hot Yoga Flow That Burns Out Your Muscles
This intense yoga flow uses both isometric holds and cardio bursts to burn calories and tone muscles. It's sure to get you sweating! → Read More
This CrossFlowX Yoga Workout Video Shows You How to Burn Major Calories Fast
Tone and stretch nearly every inch of your body while working up a sweat with this cardio-meets-vinyasa yoga workout. → Read More
The Yoga Boot-Camp Workout That Features Heart-Pumping Cardio and HIIT
Tone and stretch nearly every inch of your body while working up a sweat with this cardio-meets-vinyasa yoga workout. → Read More
Do it Better: Seated Forward Fold
Forward folds in yoga are not about how quickly you can smoosh your chest into your thighs. → Read More
How to Do Pigeon Pose: Master This Stretch for Tight Hips
Pigeon pose in yoga is amazing for runners, cyclists or anyone with tight hips. Here's how to do it better. → Read More
How to Do Warrior II: The Yoga Pose That Can Tone Your Butt
Warrior II is a fundamental of yoga — and a great pose to tone your butt. But you may be doing it wrong. → Read More
The Restorative Yoga Flow That Doesn't Require a Mountain of Props
Do this restorative flow at home with no equipment. → Read More
The Restorative Yoga Flow That Doesn't Require a Mountain of Props
Do this restorative flow at home with no equipment. → Read More
The Restorative Yoga Flow That Doesn't Require a Mountain of Props
Do this restorative flow at home with no equipment. → Read More
These Yoga Poses Are Perfect for Athletes
These yoga poses to help you recover and strengthen your muscles are perfect for any athlete looking to up their game. → Read More
These Yoga Poses Are Perfect for Athletes
These yoga poses to help you recover and strengthen your muscles are perfect for any athlete looking to up their game. → Read More