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 if you have the genetics to sculpt 60 inch shoulders.

Learn how to measure your chest circumference and chest width, and discover the average male chest size.

Find out if a 34 inch chest is too small for your body type.

Find out how small a 35 inch chest really is.

Learn everything there is to know about having a 32 inch chest.

Find out what size a 33 inch chest is and learn what that means for you.

Find out who has the largest chest in the world and the biggest pecs in bodybuilding history.

Learn how big (or small) your 38 inch chest really is.

Find out how your 39 inch chest stacks up.

Discover if a 40 inch chest is big for your height, build, and body fat level.