Is My Pain Muscle or Joint?
/You want to know what kind of thing you hurt. Muscle sounds like it will settle on its own. Joint sounds like it might not, and that guess drives what people do next. Here are the general patterns, and the part most pages leave out: where they stop being reliable.
What muscle pain tends to do
- Sore to press over the belly of the muscle rather than over a joint line.
- Louder when that muscle works against something, and often when it is stretched.
- Diffuse. Asked to point at it with one finger, most people use a whole hand.
- Eases as things warm up, then comes back later or the next morning.
- Usually has an obvious event behind it: an unusual effort, a day of hauling gear.
What joint pain tends to do
- Worse at the ends of a movement rather than through the middle, like the last part of turning your head.
- Deeper, and harder to place precisely, in there somewhere rather than on the surface.
- Stiff after sitting still, loosening over the first few minutes of moving, the pattern behind a stiff back every morning.
- Provoked by load and weight-bearing more than by muscle effort: standing, carrying, taking a stair.
- Sometimes catches or clicks, or gives a moment of not going where you sent it.
Tendon pain is its own category, and it gets called muscle
A tendon is where a muscle attaches to bone, and pain there does not behave like pain in the muscle body. It sits at one point close to the bone, it hurts with load rather than at rest, and it is characteristically worse when the load has ramped up recently: more running, a new job, a heavy week on a boat. A lot of what gets called a pulled muscle is a tendon asked for more than it had. Achilles tendinitis and tennis and golfer's elbow are the familiar versions.
Nerve pain is different again
Burning, electric, or shooting, often with numbness, tingling or weakness. The giveaway is geography: nerve pain does not stay inside one muscle. It runs down a limb, past joints, into a hand or a foot. If that is what you have, muscle or joint is the wrong question, and pinched nerve or herniated disc is a better start.
These are tendencies, not tests
Everything above is a lean, not a result, for two reasons.
The first is that these structures sit on top of each other. A joint capsule, the ligaments around it, the tendons crossing it and the muscles moving it share the same few inches and the same nerve supply, so pain from something deep gets felt across a wide area. That is why the diffuse-versus-pinpoint clue is softer than it sounds.
The second is that they set each other off. An irritated joint makes the muscles around it guard, and a guarding muscle gets genuinely sore on its own. That is the mechanism behind a back spasm that will not let go, and it means the real answer for many people is both. Pressing the sore spot confirms nothing except that it is sore, a point what a muscle knot actually is also makes.
So the practical value of asking is not to land on a label at home. It is to know whether what you are already doing about it makes sense, and to notice when your pain fits none of these patterns, which is the signal worth acting on.
What settles it
An examination loads each structure separately, which is the one thing a description cannot do. The joint gets moved while you stay relaxed, so it answers without the muscles. The muscle gets tested against resistance in a position that leaves the joint out of it. The tendon gets loaded where it attaches, and nerves get checked with reflexes, strength and sensation. Everything is compared against your other side, the only useful baseline there is.
Dr. Keys is the Chair of the Virgin Islands Board of Chiropractic Examiners, a member of the Virgin Islands Chiropractic Society, and the International Chiropractors Association representative for the U.S. Virgin Islands.
If you already know the body part
The question gets sharper once you know where it lives. For buttock and leg pain, see sciatica or piriformis syndrome and sciatica or hip arthritis. For numb hands, carpal tunnel or a neck problem. For a shoulder, tear or soreness.
When you should see someone else
Some findings are not a which-structure question at all. Go to the nearest emergency room, or call 911, for:
- An inability to put weight through the leg, or to use the arm at all, after an injury
- Obvious deformity after an injury, or a joint that looks out of place
- A joint that is hot, swollen and red, especially with a fever
- Swelling that comes up fast, within an hour of the injury
- Numbness or weakness that is getting worse rather than staying put
- Back pain with loss of bowel or bladder control, numbness in the saddle area, or leg weakness that is spreading
That last one is time-sensitive. When back pain is an emergency has the rest.
Getting seen
Call (340) 690-4994 to have it examined. We take walk-ins and same-day appointments. We are at the VI Medical Foundation Building, Suite 202, 9150 Estate Thomas, St. Thomas, USVI 00802, just east of Charlotte Amalie. Hours are Mon, Wed, Thu: 10:00 am to 1:00 pm and 3:00 pm to 7:00 pm. Tue, Fri: 7:00 am to 2:00 pm. Closed Sat and Sun. New patient forms are at forms. Tradewinds Chiropractic has more than 180 five-star Google reviews.
Questions patients ask
Is my pain muscle or joint?
Muscle pain tends to be sore over the belly of the muscle, diffuse rather than pinpoint, worse when that muscle is working or stretched, and easier once things warm up. Joint pain tends to be deeper, harder to place, worse at the ends of a movement and under load, and stiff after rest until you get going. Those are tendencies, not tests, and a joint problem usually makes the muscles around it sore too, so having both at once is common.
How do I know if I pulled a muscle or hurt a joint?
A pulled muscle usually has an obvious moment behind it, hurts over the muscle rather than at the joint line, and flares when that muscle is used against resistance. A joint is more likely if the pain is deep, shows up at the end range of a movement, gets worse with weight-bearing, and stiffens after you sit still. Neither pattern is proof. An exam loads each structure separately, which is what actually separates them.
Is it a muscle strain or something worse?
Most of the time it is a strain, and most strains settle. The things that make it worth having looked at are pain that is not improving over a couple of weeks, weakness rather than just soreness, symptoms that travel down a limb with numbness or tingling, or pain that does not fit any of the usual patterns. Those are the cases where guessing costs you time.
Can it be a muscle and a joint at the same time?
Yes, and that is the usual situation rather than the exception. When a joint is irritated, the nervous system tightens the muscles around it to limit movement, so the muscle becomes genuinely tender in its own right. Treating only the sore muscle often gives short relief and no lasting change, because the reason for the guarding has not been addressed.
Can a chiropractor tell whether my pain is muscle or joint?
That is what the exam is for. Joint motion gets tested passively while you stay relaxed, muscles get tested against resistance, tendons get loaded at their attachment, and nerves get checked with reflexes, strength and sensation, with your uninjured side as the comparison. Imaging gets added when the history or the exam calls for it, not as an opening move.
