In this video, I test one of the most effective climbing training methods for building endurance — 4x4 training on the MoonBoard 2017. This session is all about capacity training, pushing through fatigue, and learning how to climb when your forearms are completely pumped. If you’ve ever felt strong on single attempts but struggled to maintain performance across multiple climbs, this type of training can completely change your climbing. In this video: • What 4x4 training is and how it works • How to use the MoonBoard for endurance training • Real attempts and full pump climbing • How to build climbing capacity and avoid plateau This is not easy training — but it works. If you want to improve your climbing endurance, power endurance, and overall performance, this is something you should try. 📍 Filmed on MoonBoard 2017 🧗 Focus: Capacity & endurance training Subscribe for more climbing training, MoonBoard sessions, and real progression content. Have you ever tried 4x4 training? 👇 00:00 Boost Your Power Endurance with Bouldering 4x4s 00:14 Capacity training for bouldering 00:53 First Repetition 02:53 Main Goal Of Capacity Training 03:18 Second Repetition 04:34 Most Climbers Do This Mistake When Training 4x4 05:30 Third Repetition 05:49 What I Like About The 4x4 Training 06:32 Fourth Repetition 07:20 My Opinion About Capacity Training 08:32 Fifth Repetition 09:13 The Reason You Should Apply The 4x4 In Your Session #moonboard #climbing #bouldering #training #london

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