How to do Bench Flutter Kicks Bench Glute Flutter Kicks / Benefits It is one of the best equipment-free exercises you can include in your workouts to tighten and tone the glutes, improve hip mobility, and strengthen your lower back. Muscles Worked in The Bech Glute Flutter Kicks Target - Gluteus MaximusSynergists - Adductor MagnusStabilizers - ObliquesStabilizers - Erector SpinaeStabilizers - Gluteus MediusStabilizers - Gluteus MinimusAntagonist Stabilizers - HamstringsAntagonist Stabilizers - Rectus Abdominis