Bed sores often form on skin covering very bony areas, or where the skin folds over itself.
The eight areas at greatest risk for forming bed sores are as follows.
1. Back of head and ears.
2. Shoulder.
3. Elbow.
4. Greater trochanter.
5. Inner knees.
6. Hip.
7. Heel.
8. Lower back and buttocks.
Hope this helps, and I hope this is what you mean tby pressure points. ^^