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.

Discover how a small rolling modification transforms tricep extensions from average to mass-building.

These 14 banded tricep extension variations will make your arms burn.

Discover the 3 best ways to do a pronated triceps extension.

Discover the advantages and disadvantages of one arm lying tricep extensions.

Here are the 9 most effective types of kettlebell tricep extension after trying more than 15 variations.

Learn how to do incline EZ bar tricep extensions with the optimal muscle-building form.

Discover the 5 best mass-building variations of the incline dumbbell extension.

Learn the 4 pros and cons of the incline barbell tricep extension.

No bench needed: Here’s how to do tricep extensions on the floor.

Avoid these 6 lying triceps extension mistakes for more muscle growth.