TECHNIQUE: Get into a forearm plank, Shoulders back, core engaged. Squeeze one glute hard and your leg will raise up. Alternate sides, Your legs should not raise that high off the ground if you are engaging the glutes properly ADVANTAGES: This is a great core exercise that also targets the glutes. FAULTS: Some common faults with this movement include the core disengaging; resulting in a sway back, or kicking the leg instead engaging the glute SCALING: This movement can be made more difficult by adding a small band around the ankles as you lift.