“Though MSKI most commonly occur in lower body areas such as the knees, legs, ankles and feet, approximately 20% of all military medically reported injuries are to upper extremity ...

The middle-class income was then calculated using PewResearch’s definition of middle-class. Keep reading to see what the line looks like between middle-class and upper middle class-income.

If spasticity is a problem ... These deformities may lead to chronic knee, ankle, foot, upper extremity, back, and neck pain due in part to biomechanical abnormalities, sustained muscle ...