Super Inductive System (SIS) therapy uses a high-intensity electromagnetic field to stimulate nerves and muscles. It is used alongside exercise and hands-on treatment in our physiotherapy programmes, mainly to help manage pain, muscle spasm and weakness.
Treatment is non-invasive and you stay fully clothed. Our physiotherapist will assess you first and advise whether SIS is suitable for your condition.
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- Electromagnetic stimulation applied over clothing, with no needles or skin contact needed
- Used as one part of a physiotherapy plan, together with exercise and manual therapy
- Usually a short session within your physiotherapy appointment, with no downtime afterwards
- Not suitable for everyone: tell us if you are pregnant or have a pacemaker or metal implant

What SIS therapy may help with
Your physiotherapist may suggest SIS as part of treatment for:
- Acute and long-standing muscle and joint pain
- Nerve-related pain
- Muscle tension and spasm
- Weak muscles after injury, surgery or a period of rest
- Joint stiffness
- Swelling after an injury or operation
SIS works best as part of an active programme. Exercises that build strength and movement remain the core of your recovery, and we will show you what to do at home.
How it works
The SIS applicator creates a strong, focused electromagnetic field. This passes through clothing and skin to reach the nerves and muscles underneath, causing them to activate. Depending on the settings, this can be used to ease pain signals, relax tight muscles or help weak muscles contract.
Most people feel a tapping or pulsing sensation. It should not be painful, and the intensity is adjusted to what is comfortable for you.
What to expect at your session
- Assessment: our physiotherapist asks about your symptoms and medical history and examines the area.
- Treatment plan: if SIS is suitable, it is combined with other treatment such as exercise, manual therapy or taping.
- During SIS: you sit or lie comfortably while the applicator is placed over the area. You can stay in your normal clothes.
- Afterwards: you can return to normal activities straight away. Your physiotherapist will advise how many sessions are likely to be helpful.
Who should not have SIS therapy
- are pregnant
- have a pacemaker or other electronic implant
- have metal implants or a drug pump in or near the area being treated
SIS is not used in these situations. Our physiotherapist will suggest other treatment options.
Ask whether SIS therapy suits you
One-to-one physiotherapy with our AHPC-registered physiotherapist at 79 Serangoon Garden Way. Sessions from $200 for 45 minutes. Home physiotherapy also available.
Frequently asked questions
Does SIS therapy hurt?
No. Most people feel tapping or muscle twitching. The intensity is adjusted so it stays comfortable.
Do I need to change my clothes?
No. The electromagnetic field passes through clothing, so you can stay dressed.
How many sessions will I need?
It depends on your condition. Your physiotherapist will advise you after your assessment and review your progress at each visit.
Can I have SIS therapy on its own?
SIS is used as part of a physiotherapy plan rather than on its own, because exercise and movement are key to lasting recovery.
Information reviewed by our physiotherapy team at Ashford Medical Centre. This page is general information and is not a substitute for a personal assessment.
