Achilles Tendon Stretches That Actually Help (And When to Skip Them)

By Dr. Jonathan Schutza, PT, DPT · Doctor of Physical Therapy

Medically reviewed by Dr. Jonathan Schutza, PT, DPT

A practical guide to stretching a sore or stiff Achilles: which stretches are worth your time, how to tell the difference between tightness you should stretch and tightness you shouldn't, and what to do when stretching makes things worse.

Person stretching calf against a wall in proper form

Most people who come in asking about Achilles tendon stretches have already been stretching. Often for weeks. They stretch against the wall before a run, they hang their heels off a stair, they do the towel pull in bed before their feet hit the floor. And the tendon still feels tight, still barks in the morning, still aches after a long day.

So the honest first question isn’t “which stretch?” It’s “is stretching the right tool for what’s actually going on?”

Sometimes yes. Sometimes the tightness you’re feeling isn’t short tissue at all, and pulling harder on it is like turning up the radio to fix an engine noise. Let’s sort out which situation you’re in, because that determines whether these stretches help you or frustrate you.

Two different kinds of “tight”

When people say their Achilles feels tight, they usually mean one of two things, and they feel surprisingly similar from the inside.

Genuine restriction. Your ankle doesn’t physically bend as far as it should. You can test this roughly: stand facing a wall, put your toes a few inches back from it, and try to drive your knee forward to touch the wall while keeping your heel flat. If your heel lifts early, or one side clearly goes further than the other, there’s a real range-of-motion limit. Stiff ankles like this show up after a period in a boot, after an ankle sprain, in people who live in heeled or stiff shoes, and in plenty of runners who’ve never stretched a day in their lives.

Protective tension. The joint moves fine, but the calf and Achilles feel guarded, ropey, stiff first thing in the morning, and heavy after activity. This is an irritated, under-capacity tendon telling you it’s working near its limit. Nothing is short. The tissue is sensitive.

Stretching helps the first one meaningfully. For the second, stretching often feels good for about twenty minutes and then the tightness comes right back, because the tightness was never the problem. It was the symptom.

That’s the part most stretching advice skips. A sensitive tendon feels tight precisely because it’s being asked for more than it can currently give.

First, what are the early signs you’re dealing with an Achilles problem?

People usually notice, in roughly this order:

A pattern like that can be consistent with Achilles tendinopathy (the broader, more accurate term for a tendon that’s been irritated and under-loaded for a while). Early on it’s often dismissed because it warms up. Warming up is not the same as getting better. It’s one of the most recognizable features of tendon pain, and it’s also the reason people run on it for six months before they do anything about it.

How to loosen Achilles tendon tightness

Anatomical diagram of calf muscles and Achilles tendon structure

Here’s the sequence that tends to work, in order of how much it actually changes things.

1. Move the ankle before you stretch it

Before holding anything, give the ankle ten to fifteen slow, easy repetitions of bending and pointing, then some gentle ankle circles. Then rock forward and back in a half-kneeling position, letting the knee travel over the toes and back. Movement through range does more for morning stiffness than a static hold, and it’s far less likely to provoke a sore tendon.

This is also the honest answer to the popular question of how to loosen your Achilles in 30 seconds. You can absolutely get a short-term change in 30 seconds. Rock the ankle, do a few slow calf raises, walk around the kitchen. The tendon will feel looser. What you cannot do in 30 seconds is change the tissue, and that’s worth being clear-eyed about so you’re not disappointed when the tightness returns by afternoon.

2. The gastroc stretch (knee straight)

This targets the bigger calf muscle that crosses both the knee and the ankle.

The common error is going too long with the back foot and letting the arch cave in, which sends the stretch into the foot rather than the calf.

3. The soleus stretch (knee bent)

The soleus sits underneath the gastroc, crosses only the ankle, and feeds directly into the Achilles. If you’re only doing straight-knee stretches, you’re missing the muscle that matters most for walking and for that stiff-first-steps feeling.

Most people feel considerably more from this one and are surprised by it.

4. The step stretch, with a caveat

Standing with the ball of your foot on a stair and letting the heel drop is the classic. It gives the deepest stretch, which is exactly why it’s the one most likely to aggravate an angry tendon, especially if the pain sits right at the back of the heel bone. Use it if your ankle is genuinely stiff and the tendon tolerates it. Skip it if you’re in a sensitive phase. More on that below.

5. The towel or strap stretch

Sit with your leg out straight, loop a towel around the ball of your foot, and pull gently until you feel the calf lengthen. This is the friendliest option when you’re stiff and sore, because you control the force with your hands and can stop the instant it stings. It’s a reasonable morning option before you stand up.

6. Then load it

This is the part that changes the story over weeks rather than minutes. Stretching manages sensitivity. Building strength through range is what raises what the tendon can actually handle. Slow, controlled calf raises, both legs then eventually one leg, progressed gradually over months, are what most people are missing. We have a full progression written out in our guide to exercises for Achilles tendinitis, so I won’t duplicate it here. But if you take one thing from this article: stretching without loading is why the tightness keeps coming back.

When stretching makes things worse

There’s a specific situation where aggressive stretching reliably backfires, and it’s common enough that it’s worth knowing.

The Achilles attaches to the back of the heel bone. If your pain is right at that attachment point, low down on the heel rather than in the cord above it, that tissue gets compressed against the bone every time your ankle bends deeply. Stretching drives it into more of exactly that. People with pain at the attachment often describe stretching as feeling productive in the moment and awful the next morning.

Signs you may want to back off deep stretching for now:

In that case, stay out of the bottom of the range. Work the calf with heel raises done on flat ground rather than off a step. Some people actually do better with a small heel lift in their shoe for a few weeks, which reduces how far the tendon gets pulled around the heel bone during every step.

The other time to ease off: when the tendon is in a hot, reactive phase. Sudden increase in pain, sore with almost anything, painful at rest. Stretching a tendon in that state usually adds to the pile. Calm it first with gentle isometric holds and reduced (not eliminated) activity, then reintroduce range work.

Should I massage my Achilles tendon if it hurts?

Gentle massage or soft tissue work on the calf muscle is fine and often feels good. Digging directly into a painful tendon is a different matter.

A couple of guidelines I give people:

Massage can reduce how sensitive things feel. It doesn’t build anything. Think of it as a comfort measure that makes the loading work more tolerable, not as treatment in its own right.

Is walking good for a tight Achilles?

Generally, yes. Walking is one of the better things you can do, with two adjustments.

First, flat ground beats hills. Uphill walking demands the most ankle bend and the most load through the tendon, and it’s one of the most common ways people accidentally flare themselves up on vacation or a hiking weekend.

Second, watch total volume rather than any single walk. Tendons respond to accumulation. Ten thousand steps at an airport, then a standing dinner, then a walk the next morning will find a tendon’s limit faster than one hard workout. And the response often shows up a day later, which is why people misidentify what caused the flare.

Complete rest is the option that looks safest and tends to work worst. A tendon that isn’t loaded gets weaker, and when you go back to normal life the same pain shows up at a lower threshold than before. Rest equals rust. Short periods of relative rest to calm things down, fine. Weeks of avoiding walking, not fine.

Use a simple rule: pain during and after activity that stays around a 4 out of 10 or below, and settles back to your baseline within about 24 hours, is generally acceptable. Pain that spikes higher than that, or is still elevated the following day, means the dose was too much. That’s information, not injury.

What not to do with a sore Achilles

A short list of the things that most reliably set people back:

What are the worst shoes for a sore Achilles?

Shoes matter here more than they do for most foot problems, because heel height directly changes how much the tendon is stretched with every step.

The ones that cause the most trouble:

What tends to feel better during a sore phase: a shoe with a modest heel-to-toe drop, a reasonably cushioned midsole, and a soft or lower heel collar. A small heel lift inserted into your existing shoes is a legitimate short-term tool for reducing tendon strain while you build strength. It’s a temporary support, not a permanent solution.

And a note for people who switched to zero-drop shoes and then developed heel pain: the shoes didn’t damage you. The change in demand happened faster than your tendon could adapt to it. That’s a transition problem, and it’s usually solvable by going back for a while and returning more gradually.

What gets mistaken for Achilles tendonitis?

Not everything at the back of the ankle is the tendon. The ones I see confused most often:

An in-person exam sorts most of this out quickly. A few specific tests, pressing in a few specific places, and watching you move usually tells us more than imaging does.

How long does a sore Achilles take to settle?

The honest answer is that it depends on how long it’s been going on and how much you’re asking of it, but some general patterns hold.

Early, mild irritation caught within a few weeks often calms down noticeably within a few weeks of sensible loading and activity adjustment.

A tendon that’s been grumbling for six months or a year is a different project. Tissue adaptation generally takes somewhere in the range of eight to twelve weeks of consistent, progressive loading before the structure itself starts changing, and full return to running or sport often takes longer than that. The first few weeks of improvement are mostly your nervous system getting more comfortable and your muscles firing better. That’s real progress, and it’s also why people feel great at week four and stop, then find themselves back at square one in the spring.

Persistent doesn’t mean permanent. A tendon that’s been sore for two years isn’t beyond help, it just means starting lower and being more patient with the climb.

One more thing about how to measure progress. Pain is one signal, and not the most useful one week to week. Ask better questions: Am I stiff for five minutes in the morning instead of thirty? Can I walk further before it shows up? Does it settle faster after activity than it did a month ago? Can I do more heel raises than I could three weeks ago? Those often improve before the pain number does, and they tell you the tendon is genuinely getting more capable.

A flare-up along the way doesn’t erase any of it. Look at what changed (a longer day, new shoes, a hill, less sleep), adjust the dose, and keep going. The line up is bumpy for almost everyone.

A practical starting point

If you’re not sure where to begin and your pain is in the cord above the heel rather than at the bone:

  1. Ankle rockers and easy range of motion, morning and before activity.
  2. Soleus stretch (knee bent) and gastroc stretch (knee straight), 30 to 45 seconds each, two rounds per side, most days.
  3. Slow, controlled calf raises on flat ground, both legs, with a pause at the top. Build these steadily over weeks before adding step drops or single-leg work.
  4. Keep walking, keep the total day’s load reasonably steady rather than swinging between nothing and everything.
  5. Check the response the next morning. Back to baseline within about a day means the dose was right.

If your pain sits at the heel attachment, drop the deep stretching for now, keep heel raises on flat ground, and consider a temporary heel lift.

When to get it looked at

See a clinician if the pain isn’t trending better after several weeks of sensible work, if it’s getting worse rather than better, if there’s significant swelling or a palpable lump or gap in the tendon, if you had a sudden sharp pain or a snapping sensation and struggle to push off, or if you can’t do a single-leg heel raise on that side. Sudden, severe symptoms deserve a prompt evaluation rather than a wait-and-see approach.

The rest of it, the stiff mornings and the ache after long days, usually responds well once the loading is right. Stretching has a place in that. It’s just rarely the whole plan.

Person performing towel strap stretch while seated, hands pulling gently on towel around foot ball.

Frequently Asked Questions

What are the best Achilles tendon stretches?

The most effective stretches are the soleus stretch (knee bent) and gastroc stretch (knee straight), held for 30 to 45 seconds each, two to three rounds per side. Before stretching, move the ankle gently through its range with easy repetitions and ankle circles. For sensitive tendons, the towel strap stretch offers controlled, gentle lengthening.

When should you not stretch your Achilles tendon?

Avoid deep stretching if your pain is at the heel attachment (where tendon meets bone) rather than in the cord itself, as stretching compresses this already-irritated tissue. Also back off during hot, reactive phases when pain is sudden or elevated at rest. Work the calf with flat-ground heel raises instead.

How long does Achilles tendonitis take to heal?

Early irritation often improves within a few weeks of sensible loading and activity adjustment. A tendon that has been sore for months typically needs eight to twelve weeks of consistent, progressive loading before structural adaptation begins. Full return to sport often takes longer.

Is walking good for a sore Achilles tendon?

Yes, walking is beneficial, but keep it on flat ground rather than hills, and watch total daily volume rather than any single walk. Pain that stays around 4 out of 10 and settles within 24 hours is generally acceptable. Complete rest weakens the tendon and often backfires.

Why does my Achilles feel tight even though I stretch?

Tightness from protective tension (when the joint moves fine but the tendon feels guarded) is a symptom of the tendon working near its limit, not shortened tissue. Stretching provides temporary relief but doesn't address the underlying problem. Building strength through progressive loading is what actually raises the tendon's capacity.

What shoes are worst for Achilles pain?

Completely flat shoes, stiff high heel counters, worn-out running shoes with collapsed midsoles, and barefoot time on hard floors all worsen symptoms. A shoe with modest heel drop, cushioned midsole, and soft heel collar tends to feel better during a flare. A temporary heel lift can also reduce tendon strain.

References

  1. Cook (2008) Is tendon pathology a continuum? A pathology model to explain the clinical presentation of load-induced tendinopathy. British Journal of Sports Medicine.
  2. Martin (2018) Achilles Pain, Stiffness, and Muscle Power Deficits: Midportion Achilles Tendinopathy Revision 2018. Journal of Orthopaedic & Sports Physical Therapy.
  3. Alfredson H (1998) Heavy-load eccentric calf muscle training for the treatment of chronic Achilles tendinosis.. The American journal of sports medicine.
  4. Cook (2011) Is compressive load a factor in the development of tendinopathy?. British Journal of Sports Medicine.