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.

Learn how to reduce your tricep size asymmetries with the single arm overhead cable extension.

No gym, no problem. Here’s how to perform 4 plank to triceps extension variations.

Here are 8 types of plate tricep extension that will strengthen the backs of your arms.

Learn how to do a reverse grip overhead extension with the optimal tricep-building technique.

Learn how to get the most from ring tricep extensions.

Learn the 6 pros and cons of the seated barbell extension.

Discover the 6 pros and cons of the seated tricep extension.

Here are 4 seated overhead cable extension variations that you can do to grow your triceps.

Learn how to make your triceps more proportional with the seated one arm extension.

Learn why overhead tricep extensions hurt your shoulders and what you can do about it.