II spent years working in physical therapy clinics as a clinical assistant watching people struggle with movements that should have been simple. Squats. Lunges. Even just getting up from a chair without feeling like their knees were going to give out.
Most of the time, the problem was not obviously their knees. It was not obviously their hips. What stood out was their ankles.
And nobody was paying attention to it.
I see the same thing now in my own training. I have been lifting consistently for over a decade, and ankle mobility is still something I have to actively work on. If I skip it for a few weeks, my squat depth suffers. My knees track differently. My lower back compensates in ways it should not.
Your ankles are probably doing the same thing to you right now, and you have no idea because nothing actually hurts. You just notice that your heels come up when you squat. Or your knees cave in a little. Or you cannot get as deep as you used to. And you assume that is just how your body works.
It is not. It is a mobility restriction. And it is fixable.
What Ankle Mobility Actually Does
Ankle mobility is your ability to bring your shin forward over your foot while keeping your heel on the ground. The technical term is dorsiflexion, but what it really means is whether your ankle joint can flex enough to let you move properly.
Try this right now. Sit down. Put your foot flat on the ground. Now try to bring your knee forward over your toes without lifting your heel.
How far can you go? Two inches? Four?
Research shows a healthy ankle should allow your shin to move at least 10 to 12 centimeters past vertical, which is roughly four to five inches. (Hoch et al., Journal of Science and Medicine in Sport, 2011) Most people I saw in physical therapy clinics could barely get two. And when I test my own, even after years of training, I still have to work to maintain that range.
Why You Lost It (And Why It Keeps Getting Worse)
Most people do not lose ankle mobility from an injury. They lose it from sitting.
When you sit all day, your ankle stays locked in one position. Your calf muscles adapt by shortening. The joint capsule gets stiff. Over time, your body gives you exactly as much range as you ask for. Which, if you work a desk job and wear cushioned shoes, is almost nothing.
I saw this pattern constantly in physical therapy clinics. People would come in with knee pain or lower back issues, and when we tested their ankles, they often had maybe 20 degrees of dorsiflexion. A normal ankle should have closer to 40. (American Academy of Orthopaedic Surgeons)
The shoes you wear make it worse. Elevated heels, whether from dress shoes or running shoes, let your ankle stay in a shortened position all day. Your body adapts. It stops maintaining range it does not need.
Why This Wrecks Your Squat (And Everything Else)
Here is what happens when your ankle cannot flex enough.
Your body still wants to squat. So it compensates. Your knee moves inward to find stability. Your hip rotates. Your lower back rounds to shift your center of mass. All of these compensations put stress on joints that were not designed to handle it.
I have seen this play out in my own training more times than I want to admit. I will go through a phase where I get lazy about ankle work, and within a few weeks, my squat starts to feel off. My knees track differently. My torso pitches forward more than it should. I start feeling it in my lower back after heavy sets.
It is not a strength issue. It is a mobility issue. And it shows up as:
Knee pain during squats or lunges. When your ankle cannot flex, your knee has to compensate by moving in an unstable path. Over time, that wears on the joint. A 2013 study found that people with restricted ankle dorsiflexion showed significantly increased medial knee displacement during squatting compared to those with normal mobility. (Macrum et al., Journal of Sport Rehabilitation, 2012)
Lower back tightness. When you cannot hinge at the ankle, your pelvis tilts and your spine takes over. Chronic lower back tightness is often an ankle problem in disguise. Fix the ankle, and the back stops having to work so hard.
Poor squat depth. If your heels lift or your torso has to pitch way forward just to hit parallel, tight ankles are usually the limiting factor. Research has shown that ankle dorsiflexion range of motion can account for up to 39 percent of the variance in squat depth between individuals. (Hoch et al., Journal of Science and Medicine in Sport, 2011)
Calf and Achilles issues. Tight calves are both a cause and an effect. Limited mobility makes the muscles work harder in a restricted range, which keeps them tight. It becomes a feedback loop.
Reduced power in running or jumping. Your ankle is the foundation. If it cannot load properly, you lose force transfer through the entire kinetic chain.
Improving ankle mobility does not just help you squat deeper. It changes how your entire lower body moves.
How to Actually Fix It
The good news is that ankle mobility responds quickly if you work on it consistently. You do not need a complicated program. You just need to stretch the restricted tissue and strengthen through the new range.
Here is what I do now in my own training, and what I saw work consistently in physical therapy settings:
Daily calf stretches. I keep a slant board at home specifically for this. Stand on it with your heels lower than your toes, and just hang out there for 30 to 60 seconds per side. Do it every single day, ideally before you train.
If you do not have a slant board, find a step or a curb. Same principle. Let your heel drop below the level of your toes and hold the stretch.
Wall ankle mobilizations. Stand facing a wall with your toes a few inches away. Try to touch your knee to the wall without lifting your heel. If you can do it easily, move your foot farther back. If you cannot do it at all, move closer. Work at the edge of your range.
Do three sets of 10 reps per side, at least three times a week. I do these as part of my squat warm-up. Makes a massive difference.
Loaded stretches. After your main squat sets, drop the weight way down and do a few deep pause squats. Hold the bottom for 10 to 15 seconds. This builds strength in the stretched position and reinforces the new range.
Ankle circles and mobility drills. Sounds basic, but it works. Sit down and draw big, slow circles with your foot in both directions. This keeps the joint moving through all planes of motion, not just flexion and extension.
The Heel Elevation Thing (And Why It Is Not Cheating)
Here is where people get confused. I just spent this whole post talking about ankle mobility, and now I am going to tell you that elevating your heels during squats is sometimes a good idea.
It sounds contradictory. It is not.
If your ankle mobility is genuinely limited and you are working on it but not there yet, putting small plates or wedges under your heels lets you squat with better mechanics while your flexibility catches up. This is a compensatory strategy, not a permanent fix.
Olympic weightlifters wear shoes with elevated heels for a reason. It allows them to stay more upright in the catch position of a clean or snatch. That is a biomechanical advantage, not a mobility crutch. (Sato et al., Journal of Strength and Conditioning Research, 2012)
The key is intent. Are you elevating your heels because it allows you to train with better form while you work on your ankle mobility? That is smart. Are you elevating your heels so you can avoid dealing with the mobility restriction entirely? That is a problem.
Use the tool. Just do not let it replace the work.
What You Should Actually Notice
Give it two weeks of consistent work before you judge whether it is doing anything.
Within that time frame, you should notice your squat feels more stable. Your lower back might not feel as tight after training. Your calves will not scream at you five minutes into a run.
Within a month, you should see measurable improvement. Your shin will move farther forward in that wall test. Your heels will stay down longer in a deep squat. Movements that felt awkward or unstable will start to feel natural.
This is not a dramatic transformation. But it compounds. Better ankle mobility means better movement quality. Better movement quality means less pain, better performance, and a body that moves the way it is supposed to.
Why This Actually Matters
Most people do not think about ankle mobility until something breaks. A sprained ankle. Achilles tendinitis. Knee pain that will not go away. Plantar fasciitis that makes every step hurt.
By then, you are playing defense. You are managing symptoms instead of fixing the root cause.
I spent years in physical therapy clinics watching people come in after an injury, and the pattern was clear. The people who stayed on top of basic mobility work had fewer issues. The people who ignored it until something forced them to pay attention always had a harder road back.
Now I see the same pattern in my own training. The weeks I skip ankle work, I pay for it later. The weeks I stay consistent, everything else runs smoother.
You do not need a gym. You do not need special equipment. You just need to move the joint through its full range and give it a reason to adapt.
Five minutes a day. That is it.
Your ankles are the foundation of every movement you make. If the foundation is off, everything above it compensates. Fix the foundation, and the rest follows.
For more practical health tools and guidance that fits real life, visit evolutionofwellness.com. And if you want a simple starting point based on where you actually are today, try The Reset Compass — free to start, no account required.
Marcus Clark is the founder of Evolution of Wellness LLC and holds a Master of Public Health degree. This post is for informational purposes and does not constitute medical advice. Always consult your healthcare provider for personalized guidance.
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