HOW: Lay on your back with our legs straight. Bend your knee up with your heel on the ground. Push into the ground with your heel for the prescribed amount of time while keeping that 60 degree bend in your knee.    FEEL: You should...

HOW: Lay on your back with our legs straight. Slightly bend your knee with your heel on the ground. Push into the ground with your heel for the prescribed amount of time while keeping that 30 degree bend in your knee.    FEEL: You should...

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