Muscle Building Myths

High-repetition exercises like using the StairMaster may improve stamina and endurance, but they fall short in building muscle compared to resistance training. Sal explains that efficient muscle contractions during endurance activities lead to smaller muscles, while focused weight training with fewer reps yields greater muscle growth. Adam emphasizes that just a couple of squat sessions can significantly enhance muscle shape and size, far surpassing the results of hours spent on cardio machines.