The reason why elevated lunges are better than dumbbell squats for thicker thighs and a bigger butt is because with elevated lunges you have a much greater range of motion and since you are using One leg there is a much better opportunity to overload your butt and thigh muscles to make them bigger.
Similarly, you may ask, which is better squats or lunges?
Squats and lunges both use glutes, quads and hamstrings. However, a single leg exercise, such as lunge, activates more the gluteus medius muscle for stabilization on one leg. Leaning forward in a lunge means more work for glutes and hamstrings. Squatting to parallel uses mostly quads.
What muscles do split lunges work?
Bulgarian split squats work the glute muscles as well as the upper leg muscles. The target muscle is the quadriceps with the gluteus maximus, soleus and adductor magnus working to assist. The hamstring, gastrocnemius, gluteus medius and gluteus minimus all act as stabilizers.
What are Bulgarian split squats good for?
Reason #3: It's simply an awesome lower body exercise, period. The Bulgarian split squat is great for adding muscle size to your quads, hamstrings and glutes… It builds significant single-leg strength and stability… It's a great functional movement with a variety of mobility, flexibility and proprioceptive benefits…