John Carroll
John is a writer and editor based in London. He was worked for magazines such as Runner’s World, Men’s Health, Women’s Health and Cosmopolitan. A keen runner, what he lacks in ability he makes up for with enthusiasm and excuses.
Latest articles by John Carroll
I did tabletop crunches every day for a week — here’s what happened to my lower abs
By John Carroll published
What is a tabletop crunch, how do you do it, and what happens when you do them every day for a month? This fitness writer found out
I did side planks every day for a week — here's what happened
By John Carroll last updated
What happens to your body if you do a side plank every day for a week? Here's what happened when this writer tried it.
I did the 3-legged plank every day for a week — here’s what happened
By John Carroll published
What is a three-legged plank, what are the benefits, and what happens if you do one every day for a week? We found out.
I did the X plank for a week — here’s what happened to my core
By John Carroll published
What is the X plank, what are the benefits of the x plank, and what happened when this writer did it every day for a week
I did triceps dips every day for a week — here’s what happened
By John Carroll published
How to do tricep dips, the benefits of tricep dips, and what happened when our writer did them every day for a week
I did 30 V-sit-ups every day for a week — here’s what happened
By John Carroll published
What is a V-sit-up, how do you do a V-sit-up, and what happened when this fitness writer did 30 a day.
I did the glute bridge march every day for a week — here's what happened
By John Carroll published
How to do the glute bridge march, the benefits of a glute bridge march, and what happened when this editor did them every day for a week
I did single-leg deadlifts for a week — here’s what happened
By John Carroll published
How to do a single-leg deadlifts, the benefits of single-leg deadlifts, and what happened when this editor did them every day for a week
I did 30 supermans a day for a week and here’s what happened to my body
By John Carroll last updated
Here's what happened when this writer did 30 superman exercises a day for a week, and improved his lower back strength.
I did resistance band deadlifts for a week — here’s what happened
By John Carroll last updated
What are the benefits of resistance band deadlifts, and what happened when this fitness writer did them every day for a week
I did 100 fire hydrants a day for a week — here's what happened
By John Carroll last updated
I did 100 fire hydrants a day for a week — here's how to do the exercise, the benefits, and what happened when I did 50 on each leg for a week.
I did 50 glute bridges every day for a week — here's what happened
By John Carroll last updated
Here's what happens to your body when you do 50 glute bridges every day for one week.
I did 50 bird dogs a day for a week — and the results surprised me
By John Carroll last updated
How to do a bird dog exercise, the benefits of a bird dog, and what happened when we did 50 a day for a week
I did resistance-band clamshells for a week — here's what happened
By John Carroll published
I did resistance-band clamshells for a week — here's what happened to my lower body.
I did diamond push-ups every day for a week — here’s what happened to my body
By John Carroll published
How do you do diamond push-ups, what are the benefits of diamond push-ups and what happened when this writer did them for a week.
I did triceps extensions every day for a week — here’s what happened
By John Carroll published
Are triceps extensions the secret to stronger arms? — our fitness writer John did them every day to find out
I did 30 dumbbell flyes every day for a week and this is what happened
By John Carroll published
How do you do a dumbbell fly, and what happens to your chest if you do 30 dumbbell flyes a day for a week.
I did 30 lateral lunges every day for a week — here’s what happened
By John Carroll published
Read what happened when this fitness editor did 30 lateral lunges every single day for a week
I did biceps curls every day for a week — here’s what happened
By John Carroll last updated
Here's what happened when this fitness writer did bicep curls every day for a week.
I did 20 pike push-ups every day for a week — here’s what happened
By John Carroll published
I did 20 pike push-ups every day for a week — here’s what happened to my body.
How to calculate your body fat percentage — and why it matters
By John Carroll last updated
What is a healthy body fat percentage, how to calculate your body fat percentage, and the difference between body fat percentages and BMI.
I did 50 sumo squats every day for a week — here’s what happened
By John Carroll published
What happened when this writer did 50 sumo squats every single day for a week to work his glutes.
I did 50 Russian twists every day for a week — here’s what happened
By John Carroll last updated
Read what happened when this writer did 50 Russian twists every day for a week
Sign up to get the BEST of Tom's Guide direct to your inbox.
Here at Tom’s Guide our expert editors are committed to bringing you the best news, reviews and guides to help you stay informed and ahead of the curve!