Fitness
Athlean-X
Top quality workout and nutrition advice.
StrongLifts
Tips for building strength, including especially good beginners' guides to the most important exercises.
DAREBEE
A non-profit fitness advice website, with beginners' advice, programs, workout advice, challenges and more.
ExRx
A comprehensive fitness resource for beginners and professionals alike, including a large library of exercises, fitness calculators and reference articles.
Liam Rosen's Beginner's Health and Fitness Guide
A detailed beginners' guide to fitness.
Breaking Muscle
Articles, reviews, recipes and fitness plans.
Starting Strength
A training system based entirely around barbell exercises.
Critical Bench
Various articles about building strength.
Critical Bench
The YouTube channel for the previous website.
Precision Striking
Videos to improve your boxing.
Tony Jeffries
Videos to improve your boxing by Tony Jeffries, an Olympic medallist for Team GB.