- The early stages of postoperative conditions (with implants)
- Epilepsy, diabetes, predisposition to thrombosis, use of blood thinners, spondylosis
- Repeated migraines, tumours
- Hip or knee implants
- Recent wounds resulting from surgery or otherwise
- Pregnancy
- Acute tendon inflammation
- Pacemakers or cardiac stimulators, cardiovascular disease
- (Recently placed) intrauterine contraceptive devices
- Hernias or other back problems, discopathy
- Infection or acute inflammation, if you are ill (flu etc.)
- Severe osteoarthritis