Sarah Klein Author Headshot

Sarah Klein

Sarah Klein is a Boston-based health journalist with over 15 years of experience in lifestyle media. She has held positions at LIVESTRONG.com, Health.com, Prevention, and The Huffington Post. She is a graduate of the Arthur L. Carter Journalism Institute at New York University, and a National Academy of Sports Medicine certified personal trainer.

Follow

Sarah Klein's Articles (39)

Woman does a bicep curl exercise with dumbbell

Strength Train

Want to Switch Up Standard Bicep Curls? Try a Reverse Grip Bicep Curl

A tired man in the gym near a barbell. His hand is covering his face and his eyes are closed. He's wearing a bright blue shirt.

Strength Train

This Is How Long It Takes to Lose Muscle Gains During a Fitness Break

A man performing a bicep curl with a dumbbell outside while training to failure.

Strength Train

The Pros and Cons of Training to Failure—Plus How to Do It Properly

A woman eating oatmeal and a banana before going on a morning run. Her phone and headphones are on the floor next to her.

Nutrition

What to Eat Before Running In the Morning, No Matter How Much Time You Have to Spare

An athlete holding her lower back while standing outside in athletic clothes. She is experiencing lower back pain after squats.

Health

6 Things to Try If Your Lower Back Hurts After Squats, According to Physical Therapists

A smiling man running across a bridge on a sunny day.

Cardio

The Many, Many Benefits of Cardio Workouts (Because There Are Way More Than You Think)