A neck muscle strain happens when a muscle in the neck is overloaded or overstretched, often by a sudden movement, a heavy lift, an unusual workout or hours in one position. It causes an aching, tight neck that hurts to turn or tilt and is tender to press. Most mild strains ease within a few days and settle within 1 to 3 weeks. Knots are tender, tight spots inside a muscle. They are common, usually harmless, and tend to soften with movement, warmth and less sustained load.
The muscles most often involved run from the base of the skull and neck to the top of the shoulder and the shoulder blade: the upper trapezius and the levator scapulae.
A strain is usually a small amount of overload in the muscle fibers, not a tear you could see on a scan. The ache comes from the muscle and the nerves around it becoming sensitive while it recovers.
Key takeaways
- What it is: an overloaded or overstretched neck muscle, usually the upper trapezius or levator scapulae.
- Usual course: most mild neck strains ease within a few days and settle within 1 to 3 weeks.
- Knots: tender, tight spots in a muscle that are common and usually harmless.
- What helps: gentle movement within comfort, warmth, and a gradual return to normal activity.
- When to check: pain that is not easing after about 2 weeks, or any numbness, weakness or fever, needs assessment.
Where are you right now?
- It happened in the last day or two: read the week-by-week section and check the safety lists at the end.
- Two weeks in and still sore: go to “If it isn’t going to plan” and the list of other causes.
- Knots that never seem to go away: the page on neck pain from desk work and forward head posture covers the sustained load that often keeps them going.
- Getting back to the gym or sport: the “When can I…” table gives typical ranges.
Week by week
- Days 1 to 3: the muscle is often at its most tender. Keep moving the neck gently within comfort several times a day. Many people find warmth eases the tightness. Ease off the lift, sport or position that caused it.
- Days 4 to 7: most people can turn and tilt further with less pulling. Normal daily activities usually return.
- Weeks 2 to 3: most mild strains have settled. Light strengthening for the shoulder blade and upper back can start, building up over the following weeks.
- Weeks 3 to 6: a more significant strain, or one on top of long-standing tension, can take this long. Return to heavier lifting and sport in steps.
What knots are, and what helps them
A knot (often called a trigger point) is a small, tender, firm area within a tight band of muscle. Pressing it can send an ache further, for example from the top of the shoulder up into the side of the head. Researchers still debate exactly what a knot is. It is not a ball of tangled muscle, and it does not cause damage.
Knots tend to build where muscles hold a load for long periods without a break: shoulders held up while typing, a bag on one side, or the head held forward at a screen. Pressure, massage and warmth can ease them for a while. Changing the load that feeds them, with breaks, setup changes and strengthening, tends to help for longer.
A knot is a muscle asking for a change of load, not a sign of damage.
Where else this could be coming from
- Facet joint irritation: sharper pain just beside the spine that catches at the end of turning or looking up, rather than a broad muscular ache.
- Acute wry neck: waking with the head stuck turned or tilted, with a sudden, sharp block to movement.
- A disc or nerve problem: pain, tingling or numbness spreading down an arm, or pain that worsens with coughing or sneezing.
- A shoulder problem: pain on the outer upper arm that comes on when you lift or reach rather than when you move your neck.
- Whiplash: neck pain after a car crash or a fall, which has its own course and safety checks.
Is this normal?
- “It is sorer the day after.” Common. Muscle soreness often peaks 24 to 48 hours after the strain.
- “Pressing the knot sends pain into my head.” Referred pain from neck and shoulder muscles is common and usually not a sign of anything serious.
- “Massage helped, but it came back by the next day.” Typical. Massage eases tension for a time; the load that caused it is often still there.
- “I can feel a lump.” A knot feels like a firm, tender band within the muscle. A lump that is separate from the muscle, hard, painless, or lasting more than 2 to 3 weeks needs a doctor to check it.
If it isn’t going to plan
It is week three. You have pressed the same knot with a tennis ball against the wall every night, and every morning the top of your shoulder is tight again. The thought in your head is that it just needs one deep enough massage to finally release.
Pressure eases the knot for hours. It does not change why the muscle keeps tightening. If the shoulders still lift while you type, the bag still hangs on the same side, and the muscle has not grown stronger, the knot returns.
A strained or overworked neck muscle usually responds well to movement that keeps it supple, a load it can handle that is gradually increased, and fewer hours of holding the same position. Strengthening the muscles around the shoulder blade and upper back spreads the load so the neck muscles do less of the holding.
If the pain is not easing after about 2 weeks, or keeps coming back, get assessed by a physical therapist or your doctor. Useful questions to ask:
- Source: is this the muscle, or could a joint, disc or nerve be involved?
- Load: what in my day is likely keeping this muscle overworked?
- Strength: which exercises should I start with, and how should I progress them?
When can I…
| Activity | Typical range |
|---|---|
| Sleep on that side | Often within 2 to 5 days, with a pillow that fills the gap between the ear and the mattress |
| Drive | Once you can turn to check blind spots without sharp pain, often within 2 to 7 days |
| Reach overhead | Usually within a few days to 2 weeks |
| Lift | Light loads within days; return to heavy lifting or gym loads in steps over 2 to 4 weeks |
| Desk work | Usually within 1 to 2 days, with breaks every 30 to 45 minutes |
| Manual work or sport | Often 1 to 3 weeks for mild strains, longer for contact sport |
If you have had surgery, your surgeon’s protocol comes first.
Call your local emergency number or go to the emergency department if
- A significant injury: neck pain after a car crash, a fall from height, a diving accident or a hard tackle, especially with numbness or tingling in the arms or legs.
- Neck pain with chest symptoms: chest pressure, breathlessness, sweating, or pain spreading to the jaw or left arm.
- Loss of bladder or bowel control, or new weakness in the legs.
See a doctor today if
- Fever: neck pain and stiffness with a fever or feeling generally unwell.
- Progressive arm weakness: an arm or grip that is getting weaker over days.
- Severe, unrelenting pain: pain that does not change at all with position or rest.
Get it checked soon if
- Slow recovery: the pain is not easing after about 2 weeks.
- Arm symptoms: tingling or numbness spreading past the shoulder.
- A neck lump: a lump that is hard, painless or lasting more than 2 to 3 weeks.
- Night pain or weight loss: pain that wakes you whatever position you lie in, or unexplained weight loss.
More on this area: neck conditions.
A strained neck muscle usually settles in weeks once it gets movement and a load it can handle.
Written by Louise Yow, Neck & Shoulder Physio.