Person writing in a fitness journal notebook at home, tracking workout progress

How to Track Fitness Progress at Home

Why the scale lies and what to track instead. RPE, performance metrics, progress photos, and how apps automate your home fitness tracking.

Mar 22, 2026 8 min read

Person working at a desk with a laptop in morning light, focused and productive

Lifestyle

Exercise and Focus: The Productivity Science

How exercise boosts focus, working memory, and BDNF. The neuroscience of why a 5-minute workout can improve cognitive performance better than caffeine.

Mar 21, 2026 8 min read

Person doing bodyweight floor exercise on a mat in a home living room with natural light

Fitness Tips

Beginner Home Workout Guide

New to fitness? This evidence-based guide covers your first bodyweight workout at home: what to do, how long, and the science behind starting small.

Mar 20, 2026 8 min read

Person questioning fitness advice at a gym, surrounded by common workout equipment

Lifestyle

7 Fitness Myths Science Has Debunked

From the 30-minute rule to muscle turning to fat, these fitness beliefs have been tested and overturned. Here is what peer-reviewed research shows.

Mar 19, 2026 9 min read

Person using a fitness app on smartphone during a home workout session

Fitness Tips

AI Personal Trainers: Do They Work?

AI coaching promises personalized workouts without the cost of a trainer. What research shows about app-based fitness programming and who benefits most.

Mar 18, 2026 8 min read

Person performing a seated forward stretch on a yoga mat, demonstrating post-workout static stretching technique

Fitness Tips

Stretching Before or After? The Science

Decades of coaches said stretch before training. Science overturned that. What research actually shows about when and how to stretch for performance.

Mar 17, 2026 8 min read

Man performing a bodyweight lunge in his living room, demonstrating progressive overload training with no gym equipment

Quick Workouts

Progressive Overload at Home: No-Gym Guide

Progressive overload is the engine of all strength gains. Here is the exact system for applying it to bodyweight training at home, with no equipment needed.

Mar 16, 2026 9 min read

Three runners in silhouette sprinting at dawn, representing exercise as a tool for stress relief and cortisol regulation

Motivation

Exercise and Stress: The Cortisol Science

Exercise is one of the most effective stress management tools available. Here is the cortisol science, the mood research, and how short workouts count.

Mar 15, 2026 8 min read

Woman resting with legs elevated on a couch, representing sleep and recovery as the foundation of athletic performance

Fitness Tips

Sleep and Exercise: The Recovery Science

Poor sleep cuts strength, slows recovery, and raises injury risk. The research on how sleep drives muscle repair, hormones, and athletic performance.

Mar 14, 2026 8 min read

The RazFit Fitness Blog

How to Track Fitness Progress at Home

Exercise and Focus: The Productivity Science

Beginner Home Workout Guide

7 Fitness Myths Science Has Debunked

AI Personal Trainers: Do They Work?

Stretching Before or After? The Science

Progressive Overload at Home: No-Gym Guide

Exercise and Stress: The Cortisol Science

Sleep and Exercise: The Recovery Science