Fitness Fundamentals: A Science-Based Guide to Exercise
From strength training to cardio, flexibility to recovery -- your complete evidence-based guide to building a sustainable fitness routine at any age.
12 min read
Fitness
Exercise routines, workout plans, and movement tips
Explore Topics
Strength Training
Resistance training programs for muscle building, bone density, and functional strength
7 articlesCardio & Endurance
Heart-healthy cardiovascular exercise routines from walking to HIIT
5 articlesFlexibility & Stretching
Stretching routines, yoga sequences, and mobility work for all levels
4 articlesExercise for Beginners
Getting started with exercise safely and building lasting fitness habits
4 articlesSports & Recovery
Athletic performance optimization, injury prevention, and recovery strategies
3 articles
10 Evidence-Based Exercises for Lower Back Pain
Physical therapist-approved exercises that strengthen your core and alleviate chronic lower back pain without medication.
6 min read
Strength Training After 50: Building Muscle Safely
It is never too late to start. Safe techniques, progressive overload principles, and recovery strategies for older adults.
7 min read
Walking for Health: The Most Underrated Exercise
Walking 30 minutes daily reduces heart disease risk by 35%. Discover the surprising benefits and how to maximize your walks.
8 min read
HIIT vs Steady-State Cardio: Which Is Better for You?
A science-based comparison of high-intensity interval training and steady-state cardio, including who should choose which.
9 min read
Yoga for Beginners: A Complete Introduction
Start your yoga practice with this beginner-friendly guide covering basic poses, breathing techniques, and choosing the right style.
10 min read
How to Start Exercising When You Are Out of Shape
A compassionate, realistic guide to beginning an exercise routine when you have been sedentary, including week-by-week progression plans.
6 min read
The Science of Muscle Recovery: What Actually Works
Separate fact from fiction on recovery methods including sleep, nutrition timing, cold therapy, stretching, and active recovery.
7 min read
Body Weight Exercises: Build Strength Without a Gym
A complete bodyweight training program you can do anywhere, from push-ups and squats to advanced progressions like pistol squats.
8 min read