“Sitting all day can lead to issues like poor blood flow and tight hamstrings because your knees stay bent, while the top of your hamstrings are stretched due to your hips being flexed,” says Justin ...

Clift says these exercises typically involve lifting the thigh towards the torso or resisting extension at the hip joint. “Examples include standing knee raises, leg lifts, lunges with a high knee ...

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Directions: Do the dumbbell 21s finisher as a circuit, with no rest between exercises. Do three rounds of it, resting 1 ...