Spiral
twist force , ragged, common in sports
Compression
bone crush, common due to osteoporosis
Comminuted
breaks into 1 or more pieces, common in aged people or with brittle bones,
Epiphyseal
separation break, due to dying chondrocytes or matrix calcification
Greenstick
one side breaks, other bends upward, common in children with flexible matrix
Depressed/Depression
common in Skull, pushed inward
