A unilateral leg exercise that works muscles in your lower body, including your hip flexors, hamstrings, quadriceps and glutes.
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Step one foot back far enough so that when you lower your knees, you are in a half-kneeling position.
Keep your torso upright, inhale as you lower your back knee almost to the ground by bending both knees and flexing your front hip.
Return to the starting position by straightening both knees and extending your front hip and exhale.