Ultrasound accelerates fracture repair (Dyson,
1982, Pilla et al., 1990)
Ultrasound given to an unstable fracture during cartilage formation may cause cartilage proliferation and delay union (Dyson, 1989)
Ultrasound has no effect on myositis ossificans but may help reduce surrounding inflammation (Ziskin, 1990)
Ultrasound not effective in detecting stress fractures