James Jackson

James Jackson is a personal trainer who uses his expertise in strength and conditioning to create helpful workout tutorials that show fitness enthusiasts how to build muscle while staying safe in the gym. He draws on the latest sports science data as well as tried and tested training techniques to get the best results for his clients without them having to live in the gym.

Find out how to grow an inch taller using natural methods.

Learn how to grow 2 inches taller—if you have the genetics for such a height increase.

Here’s how to grow 3 inches taller (it won’t work for everyone).

Find out what it really takes to grow 4 inches taller.

Learn if it’s really possible for a person to grow 6 inches taller.

Discover what’s required to grow 5 inches taller.

Find out why almost no one can grow 7 inches taller (except during puberty).

Find out why most people simply can’t grow 8 inches taller (unless they meet this one developmental requirement).

Find out if it’s possible for you to grow 9 inches taller (hint: It probably isn’t).

Here’s what’s really required for a person to grow 10 cm taller.