| LSF | linear spread function; lymphocyte-stimulating factor |
|---|---|
| PSF | peak scatter factor; peptide supply factor; point spread function; pseudosarcomatous fasciitis |
| SACH foot | Solid-Ankle Cushion Heel foot |
| AFO | ankle/foot orthotic [brace or cast]; ankle-foot orthosis |
| AFO | Ankle Foot Orthosis |