Muscle tension is your body’s response to physical or psychological stress, and reducing it comes down to interrupting the cycle that keeps muscles locked in a contracted state. The most effective approaches combine physical techniques like stretching and heat therapy with stress-reduction methods that calm the nervous system driving the tension in the first place.
Why Muscles Stay Tense
Muscles contract and relax through signals from your nervous system. Under normal conditions, a muscle fires when needed and then returns to a resting state. But when you’re stressed, sitting in a poor position for hours, or recovering from overuse, the nervous system can keep sending “stay tight” signals even when there’s no physical demand. Stress hormones increase sympathetic nervous system activity, which raises baseline muscle tone and can produce pain, particularly in the jaw, neck, and shoulders.
This creates a feedback loop: tense muscles send discomfort signals to the brain, which registers them as a threat, which keeps the stress response active, which keeps the muscles tense. Breaking that loop from either direction (the physical side or the nervous system side) is what makes tension release possible.
Stretching: How Long and What Kind
Stretching reduces tension by physically lengthening muscle fibers and decreasing stiffness. But the details matter more than most people realize.
When you hold a low-force stretch for more than seven seconds, sensors in your tendons called Golgi tendon organs activate and temporarily inhibit the contraction reflex. This is the mechanism behind that “letting go” feeling during a good stretch. For best results, hold each static stretch for 20 to 45 seconds and repeat two to three times per muscle group. Move the muscle as far as it can go without pain, then hold.
Dynamic stretches, where you move through a range of motion repeatedly without holding, are better suited for warming up before activity. They increase muscle temperature and reduce stiffness in the short term. Static stretching is more effective for releasing tension that’s already built up, particularly at the end of the day or after prolonged sitting.
For chronic neck and shoulder tension, focus on the upper trapezius (ear toward shoulder), the levator scapulae (chin toward armpit), and chest openers that reverse the hunched posture of desk work. For lower back tightness, hip flexor stretches and gentle spinal twists target the muscles that shorten during long periods of sitting.
Heat Therapy for Tight Muscles
Heat is generally more effective than ice for muscle tension. It reduces joint stiffness and muscle spasm by increasing blood flow to the area, which helps clear the chemical byproducts (like lactic acid) that accumulate in overworked tissue and contribute to soreness. Johns Hopkins Medicine recommends heat specifically when muscles are tight or after intense exercise.
A warm towel, heating pad, or warm bath applied for 15 to 20 minutes works well. Reserve ice for acute injuries with swelling or inflammation. For everyday tension in your neck, shoulders, or lower back, heat is the better choice.
Progressive Muscle Relaxation
Progressive muscle relaxation (PMR) is one of the most well-studied techniques for releasing tension throughout the body, and it takes only 10 to 15 minutes. The U.S. Department of Veterans Affairs recommends it as a core stress-reduction tool.
The method works in two steps. First, deliberately tense a specific muscle group while breathing in and hold for five seconds, paying attention to what that tension feels like. Then release all at once while breathing out, and notice the contrast as the muscle relaxes. Work through the body one muscle group at a time: feet, calves, thighs, abdomen, hands, arms, shoulders, neck, and face. Repeat each group one or two more times using progressively less tension each round. Some practitioners find it helpful to silently say the word “relax” each time they release.
The real value of PMR isn’t just immediate relief. Over time, it trains you to recognize low-level tension before it builds, so you can release it throughout the day instead of carrying it for hours without noticing.
Myofascial Release and Trigger Points
Muscle knots, technically called trigger points, are localized areas where muscle fibers remain contracted and irritable. You can feel them as tender lumps, often in the upper back, neck, or between the shoulder blades. Myofascial release works by applying gentle, sustained pressure to these areas, slowly lengthening the connective tissue (fascia) that surrounds and supports the muscle.
A therapist will press into a knot and hold until they feel the tissue soften and release, then move on. You can replicate a version of this at home using a foam roller or a firm tennis ball against a wall. Place the ball on the tight spot, lean into it with enough pressure to feel a “good hurt” (not sharp pain), and hold for 30 to 90 seconds. The key is sustained, gentle pressure rather than aggressive digging.
Fix Your Workspace
If you sit at a desk for hours, your workspace setup is either preventing tension or creating it. The muscles of the neck, shoulders, and upper back (particularly the trapezius and levator scapulae) bear the brunt of poor ergonomics. According to Mayo Clinic guidelines, a few specific adjustments make the biggest difference:
- Monitor position: Place your screen directly in front of you, about an arm’s length away (20 to 40 inches). The top of the screen should be at or slightly below eye level. Looking down at a laptop for hours is one of the fastest paths to chronic neck tension.
- Chair height: Your feet should rest flat on the floor with thighs parallel to it. If your chair has armrests, set them so your elbows stay close to your body and your shoulders can stay relaxed, not hiked up.
- Keyboard and mouse: Position them so your wrists are straight and your hands are at or slightly below elbow level. Your shoulders should remain relaxed, not reaching forward.
- Phone use: Never cradle a phone between your ear and shoulder. Use a headset or speakerphone if you talk while typing.
Even with a perfect setup, static posture itself creates tension. Set a reminder to stand and move for a minute or two every 30 to 45 minutes.
The Role of Magnesium
Magnesium is essential for normal muscle function, and deficiency can contribute to cramping and tightness. The recommended daily intake for adults is 310 to 420 mg depending on age and sex. Good dietary sources include dark leafy greens, nuts, seeds, beans, and whole grains.
That said, the evidence for magnesium supplements specifically reducing muscle tension in people who aren’t deficient is weak. If you suspect a deficiency (common signs include frequent cramps, fatigue, and poor sleep), magnesium malate is the form most associated with muscle support. The upper limit for supplemental magnesium (on top of what you get from food) is 350 mg per day for adults. Higher doses can cause digestive issues.
Over-the-Counter Pain Relief
When tension produces pain, an anti-inflammatory pain reliever can help. Research published in the Journal of Pharmacy & Pharmaceutical Sciences found that naproxen provides longer-lasting pain relief per dose than ibuprofen, aspirin, or acetaminophen. Notably, studies on back pain found that adding a muscle relaxant to naproxen did not improve outcomes compared to naproxen alone, meaning a simple anti-inflammatory is often sufficient.
These medications treat the symptom, not the cause. They’re useful for breaking through a pain-tension cycle so you can stretch, move, and sleep more comfortably, but they work best alongside the physical and behavioral strategies above.
When Muscle Tension Needs Medical Attention
Most muscle tension resolves with the strategies above within a few days. However, stiffness that persists beyond that, or that comes with fever, muscle weakness, significant neck stiffness, or swelling, warrants a visit to a healthcare provider. These can signal an underlying condition rather than simple overuse or stress. Numbness, tingling, or loss of strength in an arm or leg alongside tension are also signs that something beyond routine tightness may be involved.