The E20 Journal

Strength, explained.

Science-backed insights on EMS, recovery, and building a body that works as hard as you do — from the E20 coaching team and our scientific advisory board.

EMS Science

New ACSM Resistance Training Guidelines: What They Mean for Your Workouts

The first major update in 17 years, drawn from 137 reviews and 30,000+ participants, lands on one message: consistency beats complexity. Here's what it means for how you train.

By Eloiza Tecson · 3 min read · Mar 2026
Weight Management

On Weight Loss Medications? Here's Why Strength Training Is a Non-Negotiable

New WHO guidance puts exercise at the center of GLP-1 care. Why preserving muscle and metabolism matters — and how EMS fits in.

By Dr. Rachelle Reed · 4 min read
Behavior & Habits

Use Behavioral Science to Reset Your Fall Fitness Routine

Four science-backed strategies — the MPI, a support network, a flexible mindset, and process goals — to rebuild momentum and make it stick.

By Dr. Rachelle Reed · 4 min read
Getting Started

What to Know Before Your First EMS Training Session, According to Our Coaches

Coach Halli answers the most common questions new members ask — what to expect, how often to come in, and when you'll feel results.

By Dr. Rachelle Reed · 4 min read
Recovery

Red Light Therapy 101: How It Works and Why It Matters

What red light therapy is, the science behind it, and how to use it safely before or after your EMS sessions to recover faster.

By Dr. Rachelle Reed · 5 min read
Member Story

How Personalized Coaching and EMS Training Transformed a Member's Health

After a bad fall, Laurie rebuilt her strength and balance — and resolved years of lower back pain — in just 35 sessions.

By Dr. Rachelle Reed · 4 min read
Nutrition

What to Eat Before and After Exercise: Nutrition and Hydration Made Simple

Evidence-based pre- and post-workout fueling and hydration tips to perform better and recover faster.

By Dr. Rachelle Reed · 5 min read
Wellness

Understanding the Links Between Exercise and Mental Wellness

The eight dimensions of wellness — and how regular movement builds mood, resilience, and connection beyond the physical.

By Dr. Rachelle Reed · 4 min read
Active Aging

Strength Training for Older Adults: Why It Matters, and How to Get Started

From preventing falls to sharpening the mind, the research on training with age — plus how to start safely and confidently.

By Dr. Rachelle Reed · 6 min read
Recovery

The Role of Sleep in Recovery

Sleep is where muscle repair happens. The stages of sleep, why they matter for your results, and five tips to sleep better.

By Dr. Rachelle Reed · 7 min read
EMS Science

Electromuscular Stimulation vs. Traditional Training: A Comparison

The pros, cons, and research behind EMS versus traditional strength training — and how to combine both for the best of each.

By Eloiza Tecson · 3 min read
Behavior & Habits

The Science Behind Habit Formation in Fitness

The habit loop — cue, routine, reward — and three science-backed strategies to build an exercise routine that finally sticks.

By Dr. Rachelle Reed · 5 min read

More articles coming soon.

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