National Academy of Sports Medicine (NASM) Corrective Exercise Specialist (CES) Practice Exam 2026 - Free NASM CES Practice Questions and Study Guide

Side-lying leg lifts are specifically designed to target the gluteus medius, which plays a crucial role in stabilizing the pelvis and controlling hip movement. This exercise isolates the muscle in a way that allows for effective activation without excessive involvement of the larger gluteus maximus or other muscle groups. When performing side-lying leg lifts, the hip is abducted, which directly engages the gluteus medius, making it an ideal choice for activating this muscle.

In contrast, while barbell squats, lateral lunges, and leg press exercises do involve the glutes, they are compound movements that engage multiple muscle groups, including the quadriceps and hamstrings. These exercises can still contribute to overall glute development but may not specifically activate the gluteus medius as effectively as side-lying leg lifts do. Hence, for isolating and activating the gluteus medius, side-lying leg lifts stand out as the preferred option.