If hitting the gym on the regular isn’t resulting in the swelling silhouette you envisioned, you may not be sending your muscles the right message. Key variables in your training — sets, reps, weight, rest — determine the outcome of your efforts, so it’s important to ensure those factors are aligned towards your goal.
Here, created using a combination of high volume, varying weight, and controlled rest periods, you’ll find a simple and effective muscle-building workout plan, designed to pack mass onto your entire body. “For the skinny dude, this is a great workout to put on some serious muscle,” says celebrity trainer and elite endurance athlete Alex Isaly, the architect behind this bulk-up blueprint.