Sep 27, 2009 · Welcome to Shaun's 4 day muscle building split workout! This workout was designed by Shaun and should be used by those looking to build muscle and/or gain weight.

The Best 4-Day Split Workout Routine With nearly two decades of experience as a trainer, I can confidently recommend that for most people looking to put on muscle mass and gain strength, the …

Oct 14, 2023 · Are 4-day workout splits good for building muscle? And if so, which split is best? In this article, we go over five of the best ones.

In this article, we’ll break down common variations of the 4-day split workout, including sample routines. We’ll also help you figure out if the 4-day split is a good fit for your workout routine.

Aug 23, 2025 · This guide compares the most popular 4-day splits, shows you how to progress them over eight weeks, and gives you workout templates so you can hit the gym tomorrow.

Feb 16, 2026 · Workout splits are simple, effective ways to organize a weekly workout schedule to eliminate the guesswork. Here, a certified trainer shares a sample program.

Build strength and muscle with this proven 4 day workout split. Follow expert training tips and balanced routines for lasting results.

Jan 27, 2026 · Master the 4 day split workout to build serious muscle while managing fatigue. This guide covers the best exercises, recovery tips, and scheduling for mass.

Feb 3, 2026 · A 4-day workout split is a training routine in which you work out 4 days a week, with each session focusing on specific body parts or training goals. Unlike a full-body workout every day, a split …

Feb 16, 2026 · A practical 4-day split to organize training, hit every muscle, and recover. Learn more in this article and register for a free day pass at GymNation.