The 12REPS Fitness Blog

Expert workouts, nutrition guides, and strength training tips from certified personal trainers. Transform your training with science-backed advice.

Featured Article
What If You Can Only Train at Busy Times?

Best Time to Go to the Gym for an Uninterrupted Workout | 12reps

By Will Duru, BSc (Hons) Sport and Exercise Science, Award-winning Personal Trainer Read more

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Women's Strength Training

How to Build Bigger Arms for Women: Biceps and Triceps Training

Getting Rid of Bingo Wings: The Complete Guide to Toned Upper Arms

By Will Duru, BSc (Hons) Sport and Exercise Science, Award winning Personal Read more

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Workout Programmes

Total Body Kettlebell Strength: One Kettlebell. Six Exercises. Your Entire Body. By Will Duru | BSc Sport Science | Personal Trainer | 10+ Years Experience

Total Body Kettlebell Strength: One Kettlebell. Six Exercises. Your Entire Body.

By Will Duru | BSc Sport Science | Personal Trainer | 10+ Read more

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12REPS app strength training app workout tracker interface

12REPS: The Best Workout & Gym Planner App of 2026

Staying motivated in the gym starts with having a smart plan, not Read more

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Training Tips & Guides

ChatGPT vs Personal Trainer: Why AI Will Never Replace Human Coaching

ChatGPT vs Personal Trainer: Why AI Will Never Replace Human Coaching

By Will Duru, BSc (Hons) Sport and Exercise Science, Award-winning Personal Trainer with Read more

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I Asked ChatGPT to Plan My Workouts for 12 Weeks: Here's What Happened

I Asked ChatGPT to Plan My Workouts for 12 Weeks: Here’s What Happened

By Will Duru, BSc (Hons) Sport and Exercise Science, Award-winning Personal Trainer with Read more

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