Physiotherapy condition

Carpal Tunnel Syndrome腕管综合征

Carpal tunnel syndrome is the most common nerve compression problem in the body, and in Singapore it turns up most often in people who spend their working day at a keyboard, on a phone, or doing repetitive work with their hands.

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The symptoms are distinctive once you know them: numbness and pins and needles in the thumb, index and middle fingers, usually worst at night, and a grip that quietly stops being reliable.

Carpal Tunnel Syndrome at a Glance

Detail	Information
What is compressed	The median nerve, at the wrist
Classic symptom	Night-time numbness in the thumb, index and middle fingers
Typical recovery	6–12 weeks with physiotherapy in mild to moderate cases
GP referral needed?	No
Insurance accepted	Multiple panels
Clinicians	AHPC-registered

What Is Carpal Tunnel Syndrome?

The carpal tunnel is a narrow passage on the palm side of your wrist. Its floor and sides are formed by the small bones of the wrist, and its roof by a tough band of tissue called the transverse carpal ligament. Nine tendons and one nerve pass through it.

That nerve is the median nerve, and it supplies sensation to the thumb, index finger, middle finger and half the ring finger, along with some of the muscles at the base of the thumb.

The tunnel cannot expand. So anything that takes up more room inside it, or increases the pressure within it, presses on the nerve. That is carpal tunnel syndrome: not damage to the hand itself, but a nerve being squeezed at the wrist and complaining further down.

Is It Your Wrist, or Your Neck?

This is the single most useful question to answer early, and it is the one most often got wrong.

The median nerve does not begin at the wrist. It starts as nerve roots in the neck, travels through the shoulder and down the arm, and only then passes through the carpal tunnel. A nerve can be irritated anywhere along that path, and the hand symptoms can feel similar wherever the problem is.

A few patterns help tell them apart:

Which fingers. Carpal tunnel affects the thumb, index, middle and half the ring finger. The little finger is spared, because a different nerve supplies it. Numbness that includes the little finger is pointing somewhere other than the carpal tunnel.
Where it starts. Carpal tunnel symptoms are usually confined to the hand. A nerve root irritated in the neck, known as cervical radiculopathy, more often produces symptoms that travel down the arm from the neck or shoulder.
What time of day. Carpal tunnel is characteristically worse at night and wakes people up. Neck-driven symptoms tend to change with neck position instead.
What provokes it. Carpal tunnel flares with wrist positions and gripping. A neck problem changes when you turn or tilt your head.

Both can be present at once, which is why an assessment checks the whole path rather than only the sore part. If the real driver is in your neck, treating the wrist will not fix it, and that is a common reason people feel they have tried physiotherapy and it did not work.

What Does It Feel Like?

Numbness, tingling or pins and needles in the thumb, index and middle fingers
Night-time symptoms that wake you, often relieved by shaking the hand or hanging it over the side of the bed
A weakening grip, noticed first as dropping cups, struggling with jar lids, or fumbling buttons and keys
Aching that travels up the forearm, which is common and does not mean the problem has spread
Clumsiness with small objects, as the fingers lose some of their feedback

Signs that need prompt medical attention:

Constant numbness that no longer comes and goes
Visible wasting of the fleshy pad at the base of the thumb
Weakness that is getting worse rather than fluctuating

These suggest the nerve has been compressed long enough to be at risk, and they change the plan. They are a reason to be assessed quickly, not a reason to panic.

What Causes It?

Often there is no single cause, but these raise the risk:

Sustained or repetitive wrist use, particularly with the wrist bent, gripping, or using vibrating tools
Workstation setup, where a keyboard, mouse or desk height holds the wrist in extension for hours
Pregnancy, where fluid retention swells the tunnel's contents. This type often settles after delivery, and is worth distinguishing from other pregnancy-related pain
Medical conditions including diabetes, an underactive thyroid and inflammatory arthritis
Previous wrist fracture or injury that changed the shape of the tunnel

It is worth saying plainly that typing alone is a weaker cause than most people assume. Posture, total load and how long the wrist is held in one position matter more than the keyboard itself.

How Physiotherapy Helps

Step 1: Finding out where the nerve is actually being squeezed

A history that establishes which fingers, what time of day and what provokes it
Nerve tests at the wrist, and screening of the neck and shoulder so a problem higher up is not missed
Grip and pinch strength, and assessment of the thumb muscles
A look at your workstation and your working day, since that is usually where the load lives

Step 2: Taking pressure off the nerve

Night splinting to hold the wrist neutral while you sleep, which is one of the better-evidenced treatments for mild to moderate cases and often the fastest route to a night's sleep
Nerve gliding, specific movements that restore the median nerve's ability to slide freely rather than catch
Manual therapy to the wrist, forearm and, where relevant, the neck and shoulder
Dry needling where forearm muscle tension is contributing

Step 3: Changing what caused it

Workstation and ergonomic assessment, covering keyboard and mouse position, desk and chair height, and wrist support
Activity pacing, so load is spread through the day rather than concentrated
Strengthening through the forearm, shoulder and upper back, because a well-supported arm asks less of the wrist
Grip retraining for the tasks that matter to you

When Physiotherapy Is Not the Answer

Mild and moderate carpal tunnel syndrome usually responds well to conservative treatment. Severe or long-standing compression sometimes does not, and carpal tunnel release surgery is a straightforward and effective operation with a long track record.

An honest physiotherapist will tell you which category you are in, and will refer you on rather than keep treating something that is not changing. If the numbness is constant, the thumb muscles are visibly wasting, or several weeks of good conservative treatment have not shifted it, a surgical opinion is the right next step. Physiotherapy still has a role after surgery, restoring movement, strength and scar mobility.

When Should You See a Physiotherapist?

Book an assessment if numbness or tingling in your hand is waking you at night, if your grip has become unreliable, or if symptoms have persisted beyond a few weeks. Earlier assessment means a simpler plan, and it is the long-standing cases that are hardest to turn around.

You can book a physiotherapy assessment directly at any of our 11 clinic locations across Singapore. No GP referral is needed.

Frequently Asked Questions on Carpal Tunnel Syndrome

What are the first signs of carpal tunnel syndrome?

The first signs are usually numbness, tingling or pins and needles in the thumb, index and middle fingers, typically worst at night and often relieved by shaking the hand. A grip that has become less reliable, such as dropping cups or struggling with jar lids, is another early sign.

Does carpal tunnel syndrome go away on its own?

Mild cases sometimes settle, particularly when the cause is temporary, such as carpal tunnel syndrome during pregnancy. Most cases do not resolve without changing the load on the wrist, and symptoms that have been present for months are unlikely to clear up by themselves.

Is my hand numbness carpal tunnel or a neck problem?

The pattern is the clue. Carpal tunnel affects the thumb, index, middle and half the ring finger, spares the little finger, and is worst at night. Numbness that includes the little finger, travels down from the neck or shoulder, or changes when you move your head, points to the neck instead. An assessment checks the whole nerve path rather than only the wrist.

Do I need surgery for carpal tunnel syndrome?

Not usually. Mild to moderate cases often respond to splinting, nerve gliding, manual therapy and changes to how the wrist is loaded. Surgery is considered when numbness is constant, the thumb muscles are wasting, or conservative treatment has not worked.

Does a wrist splint actually help?

Yes, for mild to moderate carpal tunnel syndrome. A splint worn at night holds the wrist in a neutral position and stops it curling while you sleep, which is when symptoms are usually worst. It is one of the better-evidenced conservative treatments and frequently the first thing to improve sleep.