OSTEOPENIA. OSTEOPENIA Bone mineral density test (femoral neck). This methods measures the subject´s bone mineral density (BMD), and can detect osteopenia (a decrease in bone density) and osteoporosis (pathological reduction in bone density). The chart indicates the patient´s BMD (in g/cm2) for their age. Here, a BMD of 0.730 g/cm2, corresponds to an osteopenic condition for a person of this patient´s age. The T-score and Z-score indicate the variation between the subject´s BMD and