What Is Plantar Fasciitis and Why Does It Hurt Most in the Morning?

You know the feeling. Your alarm goes off, you swing your legs over the side of the bed, and the moment your foot touches the floor — there it is. A sharp, stabbing pain in your heel that makes you wince before the day has even started.

If that sounds familiar, you’re likely dealing with plantar fasciitis — one of the most common causes of heel pain. And you’re far from alone. It affects millions of people every year, from runners and athletes to teachers, nurses, and anyone who spends long hours on their feet.

Here’s what’s actually happening — and why mornings tend to be the worst.

What Is the Plantar Fascia?

The plantar fascia is a thick band of connective tissue that runs along the bottom of your foot, connecting your heel bone to the base of your toes. Think of it as a bowstring that supports the arch of your foot.

Every time you take a step, the plantar fascia absorbs a significant amount of force. It stretches, tightens, and helps your foot function as a stable, spring-like structure. Most of the time, it handles this load without complaint.

But when the fascia is subjected to more stress than it can handle — through overuse, improper footwear, biomechanical issues, or sudden increases in activity — small tears and inflammation develop, particularly where the fascia attaches to the heel bone. That’s plantar fasciitis.

Why Is Morning Pain So Intense?

This is the question most people want answered first — and there’s a clear biomechanical explanation.

While you sleep, your foot naturally relaxes into a plantarflexed position — toes pointing slightly downward, the plantar fascia in a shortened, contracted state. During those hours of rest, the small micro-tears in the fascia begin to heal in that shortened position.

Then you stand up. Suddenly, your full body weight loads the fascia and stretches it rapidly from that contracted position. Those partially healed fibers are pulled apart again — which is exactly what causes that sharp, immediate pain with your first steps.

Most people notice the pain eases up after a few minutes of walking. That’s not because the problem has resolved — it’s because the tissue has warmed up and loosened. The underlying inflammation is still there.

Who Gets Plantar Fasciitis?

Almost anyone can develop plantar fasciitis, but certain factors increase the risk:

•      Being on your feet for long periods at work

•      Increasing running mileage or activity too quickly

•      Flat feet or high arches that alter how load is distributed

•      Worn-out or unsupportive footwear

•      Tight calf muscles or Achilles tendons

•      Age — the fascia loses elasticity over time

What Does Recovery Actually Look Like?

Plantar fasciitis is treatable, but it tends to be stubborn. Without addressing the underlying mechanics, many people find themselves in a cycle: it feels better, they return to normal activity, and the pain comes back.

Effective treatment usually involves a combination of approaches:

•      Stretching the plantar fascia and calf muscles regularly

•      Supportive footwear with proper arch support

•      Reducing activity that aggravates the condition

•      Bracing to support the foot’s natural mechanics during the day

•      Night splints to prevent overnight tightening

One approach that’s gaining recognition is supporting the windlass mechanism — the natural biomechanical process in your foot that stabilizes the arch during walking. When this mechanism isn’t working properly, the plantar fascia takes on more load than it should. Restoring it can be a key part of breaking the pain cycle.

The Bottom Line

Plantar fasciitis is more than just heel pain — it’s a sign that something in the way your foot is loading and moving needs attention. The morning pain is one of the most reliable indicators, but it’s also one of the most manageable once you understand what’s driving it.

If you’re looking for a brace specifically designed to support the foot’s mechanics — not just mask the symptoms — the Windlass Brace was developed by Dr. Christopher Lotufo for exactly that purpose.

Want to understand how a windlass brace differs from a traditional night splint? Read: Night Splint vs. Windlass Brace: What’s the Difference?

Learn more at thewindlassbrace.com.