Why Tendon Pain Becomes So Common in Perimenopause

Ask around among women in their 40s and early 50s and you’ll hear a strikingly similar story: a shoulder that suddenly won’t cooperate, an Achilles or elbow that flares up without an obvious cause, a hip or knee tendon that stays cranky for months instead of settling in a couple of weeks like it used to. Tendinopathy, pain and dysfunction in a tendon, often without a single clear injury moment, has a well-documented spike in incidence during perimenopause and the years around menopause. This isn’t coincidence, and it isn’t just “getting older.” It’s a hormonal issue with a mechanical fix.

The Estrogen–Tendon Connection

Tendons are dense connective tissue made primarily of type I collagen, and, as covered in the connective tissue overview for this series, estrogen plays a direct role in collagen synthesis and maintenance. Tendon cells (tenocytes) have estrogen receptors, and estrogen appears to influence how tendons respond to mechanical load, essentially how efficiently they repair and adapt after being stressed during exercise or daily activity.

When estrogen drops, several things shift in tendon tissue:

• Collagen synthesis slows, meaning the tendon is less able to keep up with normal wear and repair.
• Collagen becomes stiffer and less well-organized, changing how the tendon handles load and making it more prone to microdamage.
• Tendons become less responsive to loading in general — the normal “stress it a bit, it adapts and gets stronger” cycle becomes less efficient.

This is compounded by the broader shift toward a more pro-inflammatory baseline state discussed elsewhere in this series, which can slow the repair process even further once irritation starts.

Why It Often Feels “Sudden”

A lot of people describe tendinopathy in this life stage as coming “out of nowhere”, they didn’t change their training, didn’t have an injury, and yet a tendon that was fine for years is suddenly a problem. This makes sense biologically: the underlying tissue quality has been quietly declining for a while, and a tendon that used to have a wide margin of error before it complained now has a much narrower one. The same walk, the same workout, the same reach for a cupboard can be the thing that tips it over, not because that activity was dangerous, but because the tissue’s capacity has quietly dropped below what it used to tolerate easily.

Common sites include the rotator cuff (shoulder), the Achilles, the patellar tendon (knee), the elbow (tennis/golfer’s elbow presentations), and the gluteal tendons at the hip — this last one is common enough in perimenopausal and postmenopausal women that it has its own body of dedicated research.

Why “Just Rest It” Often Backfires

The instinct when a tendon hurts is to stop using it. For an acute injury, some initial load modification makes sense. But for tendinopathy — which is fundamentally a tissue-capacity problem, not a one-time injury — prolonged rest tends to make things worse, because tendons need mechanical load to maintain and rebuild their capacity. Complete rest lets the tendon deteriorate further, so that when you do go back to normal activity, it’s even less prepared for it.

The evidence-based approach for tendinopathy, regardless of hormonal status, is progressive loading, usually starting with isometric holds (holding a position under tension without movement) to help manage pain, then progressing to heavier, slower resistance exercises that specifically target the affected tendon. This is typically best guided by a physiotherapist, especially in the early, more painful phase.

What Helps, Specifically for Perimenopause

1. Don’t abandon resistance training, lean into it, progressively. Regular, well-programmed strength training is one of the few things shown to help tendons adapt even in a lower-estrogen environment. The key word is progressive — sudden jumps in load, volume, or a new high-impact activity (like suddenly taking up running or a new sport) are a more common trigger for tendinopathy in this population than steady, gradually increased training. Read further about collagen changes, and resistance training.
2. Prioritize slow, heavy strength work over ballistic or high-impact loading when a tendon is already irritated. Slow tempo resistance exercises (like a controlled 3–4 second lowering phase) tend to be better tolerated by an irritated tendon than jumping, sprinting, or fast plyometric movements.
3. Get a proper diagnosis rather than self-managing indefinitely. Tendinopathy can look similar to bursitis, nerve irritation, or joint issues, and the treatment approach differs. Our physiotherapists can confirm what’s actually going on and build a loading progression specific to the tendon involved.

The Bigger Picture

Tendinopathy in perimenopause isn’t a sign that your body is simply wearing out, it’s a sign that your tissue’s tolerance for load has changed and needs a correspondingly adjusted approach, not a retreat from exercise altogether. The tendons that are struggling now are the same tendons that, with the right progressive loading, can rebuild real capacity, it just takes a bit more patience and a smarter plan than it used to. 

If a tendon has been nagging at you for weeks or months and isn’t settling on its own, it’s worth getting an actual assessment rather than guessing at a loading plan. Book an appointment with our team here in Kingston, ON, and we’ll figure out exactly what’s going on and build a progressive strengthening program suited to your tendon, your training, and this stage of life.