<unk>  defined as middle one-third of<unk>  from lesser tubercle to supracondylar ridges
Peaks in third and seventh decades of life (young men and osteoporotic elderly women)
Common site of pathologic<unk> s (especially breast cancer)
Humerus shaft fracture
Adult
Humerus fracture
Proximal
Calcaneus fracture
Shaft
Tibial tuberosity fracture
Distal