Dr. Susie Reiner is an industry and academic research scientist, writer, and educator with expertise in exercise physiology, human performance, and digital health. She is an Assistant Professor of Exercise and Sport Science at Seton Hall University, where she focuses on applied research and translating science into real-world clinical, performance, and industry applications.
Alongside her academic work, Dr. Reiner consults with fitness, sport, and wellness technology companies on research strategy, study design, data analysis, and evidence generation. She also develops science-driven content for both professional and consumer audiences, helping bridge the gap between research and practice.
Previously, she served as Head of Science at Aletha Health, where she led scientific strategy for an AI-driven musculoskeletal health platform, including clinical validation and product development support. She completed postdoctoral training at the University of Kentucky’s Sports Medicine Research Institute, leading federally funded research on injury risk and human performance in the fire service.
Dr. Reiner holds a PhD in Health Sciences (Human and Sport Performance) and an MS in Exercise Science and Health Promotion. She is an ACSM Certified Exercise Physiologist and holds multiple NSCA and NASM certifications. She is also active in professional service through committees within ACSM and NSCA.
Read more articles and guides from our experts and thought leaders.
An introductory guide to the anatomy, movement, and common injuries of the hip joint, so you can keep your hips healthy, whatever exercise you’re doing.
Discover how PEACE and LOVE, acronyms for new research-backed soft tissue injury management strategies, can reduce healing times and optimize recovery.
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An introductory guide to the anatomy, movement, and common injuries of the neck, to make sure you know how to keep yourself safe and healthy.
A balanced diet doesn't have to be complicated. Learn how the foods you eat fuel your energy, recovery, and long-term health, plus simple steps to start.
Staying hydrated supports your energy, performance, and recovery from injury. Learn how much water you need and simple ways to drink more each day.
Falls are a leading cause of injury for older adults. Learn how balance and strength exercises can lower your risk and help you stay steady on your feet.
Regular cardio strengthens your heart, lifts your mood, and supports long-term health. See what the research shows and how much you need each week.
You may need less exercise than you think to see real health benefits. Learn how many minutes per week the research supports and how to fit them in.
Learn how a physical therapy home exercise program supports recovery, improves motivation, and helps patients stay consistent between therapy visits at home.
Join us for a guide to the anatomy, movement, and common injuries of the lower back so you can keep yourself as healthy and strong as possible.
Understand return-to-sport criteria to assess your physiological and psychological readiness for competition and make the best decision for your status.
Check out this introductory guide to the anatomy of this wrist and hand, common injuries to be aware of, and what movements you can use to protect yourself.
Progressive overload helps you gradually increase the stress on your body to see a significant boost in strength and success in your training.
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Discover the physical and mental health benefits of walking, including better mood, stronger heart health, improved energy, and daily movement habits.
Learn why you feel pain, how pain affects the body and mind, and practical strategies for managing acute and chronic pain symptoms in daily life today.
Discover practical sleep tips that help you fall asleep faster, stay asleep longer, and improve overall health, recovery, and daily energy naturally today.
Discover the mental health benefits of exercise and how daily movement can reduce stress, improve mood, support sleep, and build emotional resilience.
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Learn the difference between the most common types of diagnostic imaging and how they are interpreted in your overall treatment plan.
These five health benefits of building strength through resistance training will have you reaching for a dumbbell, stat.
Learn the surprising way your body adapts to the stress of a workout for long-term health and well-being.
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