Calling all desk jockeys: Make it a point to get up and walk around at least once every half hour. Otherwise, hamstrings remain shortened and become stiff.
Lie faceup on floor and lift right leg 90 degrees. Try to straighten right knee without moving thigh. Switch legs and repeat test.
Good (3 points): Leg is straight.
Fair (2 points): Knee is bent 20 degrees.
Poor (1 point): Knee is bent more than 20 degrees.
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