Amber Sayer

Amber Sayer is a fitness, nutrition, and wellness writer and editor. She holds a master’s degree in exercise science and a master’s degree in prosthetics and orthotics. She is a NCSA-certified personal trainer, UESCA-certified running coach, triathlon coach, and endurance nutrition coach.

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Man practices hip flexor exercises outside
Training & Performance

10 Hip Flexor Exercises to Improve Your Athletic Performance

These movements will help you build functional leg strength

Man does a resistance band arm workout
Training & Performance

The Best Resistance-Band Arm Workout to Strengthen Your Upper Body

A personal trainer shares seven exercises that focus on your biceps, triceps, and shoulders

Woman practices a push-up
Training & Performance

The 4 Most Common Mistakes Made While Doing Push-Ups—and How to Fix Them

You'll want to take note of these errors before your next workout