You know when you’ve pulled a muscle.
It’s sharp, localized and unmistakable (especially if you’ve ever felt it climbing out of bed). But fascia, the connective tissue that wraps your muscles, joints and organs and lets them glide smoothly against one another, doesn’t announce itself the same way. Its problems are quieter, harder to pin down and easy to mistake for something else entirely.
What Does Healthy Fascia Do?
Fascia has historically been overlooked and understudied. It surrounds, supports and protects all the body’s nerves, muscles, blood vessels and organs. According to a 2024 study in Frontiers in Neurology, it’s estimated to house over 250 million nerve endings, more than our skin. And when fascia is healthy, it moves and stretches.
“It’s often described as the body’s internal scaffolding,” says Matt Kasee, certified personal trainer and founder of Trilogy Fitness Systems in Cincinnati. “Rather than existing as separate, isolated pieces, fascia connects everything into one interrelated system.”
Symptoms and How to Fix Unhealthy Fascia
The symptoms of unhealthy fascia can vary based on location within the body, but might show up as tightness, stiffness, a reduced range of motion or pain that radiates.
“Some people describe it as a deep ache or tension that doesn’t respond the way a typical muscle strain would,” Kasee says. “In everyday life, this might show up as difficulty fully rotating the torso, tightness that persists despite stretching or a sense that certain movements feel restricted even when there’s no clear injury.”
According to Cleveland Clinic, conditions like plantar fasciitis, myofascial pain syndrome, Dupuytren’s contracture (curled fingers) and frozen shoulder can all be caused by unhealthy fascia.
“Fascial restrictions tend to show up more commonly in areas that either bear a lot of daily load or are frequently held in fixed positions,” explains Kasee. “These areas aren’t necessarily more prone to problems because of the fascia itself, but because they’re subjected to consistent stress, repetitive positioning or reduced movement variety.”
How to Keep Fascia Healthy
While natural aging might have you prone to troublesome fascia due to changes in elasticity and composition, you can help ensure that fascia stays healthy in your body by:
- Staying active
- Stretching frequently
- Sitting up straight, especially if you sit for long periods of time at work
“Physical inactivity is one of the more significant contributors, since fascia depends on regular movement to stay pliable, and prolonged stillness allows restrictions to develop,” he says.
When to See Your Doctor
Kasee says that it’s important to get proper evaluation for any pain or stiffness, especially since the symptoms of unhealthy fascia can be difficult to distinguish from other muscle and skeletal ailments.
“These tissues don’t operate independently, and symptoms frequently overlap,” he says. “Anyone dealing with persistent or unclear symptoms should have them properly evaluated by a health care professional rather than trying to self-diagnose the source.”
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