Trayner Journal

Train with better information.

Practical guidance on training, form, nutrition and recovery — written to help you understand what matters and what to do next.

Sore after training? Train, adjust or recover. Mild soreness: train as planned. Moderate: warm up, reassess and adjust. Severe: recover or train something else. Pain is not ordinary soreness, so get it checked.

Recovery

Should You Train When You're Still Sore?

Being sore doesn't automatically mean you need a rest day. Here's how to use soreness, movement and training performance to decide whether to train, adjust your session or recover.

7 min read

Front view of a lifter at the bottom of a barbell squat, with tracking points on the hips, knees and ankles and both knees and feet clearly visible

Form & Technique

Why Do Your Knees Cave In When You Squat?

Notice your knees moving inward when you squat? Learn what to look for, why it may become more noticeable as a set gets harder, and what you can do next.

7 min read

A phone on a tripod recording a lifter doing a barbell squat in a gym, with the whole body visible on screen

Form & Technique

How to Record Yourself Lifting to Check Your Form

Recording your lifts can reveal things you can't see while you're training. Here's how to position your phone, choose a useful camera angle and know what to look for afterwards.

7 min read

Front view of a lifter at the bottom of a squat with tracking points on the hips, knees and ankles and a marker showing depth

Form & Technique

Squat Form: 7 Things to Check on Every Rep

Your squat doesn't need to look perfect. Here are seven things to watch across your reps to understand where your form stays consistent — and where it starts to change.

5 min read

A barbell loaded with plates on a gym floor with the text “Your first 12 weeks in the gym”

Guides

The Beginner's Guide to Gym Training: Your First 12 Weeks

New to the gym? This step-by-step guide covers how often to train, which exercises to learn first, how to progress safely and what to eat – everything you need for a confident first 12 weeks.

4 min read