How to Strengthen Ankles: Find the Weak Link, Then Train It

If your ankle feels weak, the first question should not be, “Which ankle exercise should I do?” It should be, “What is actually limiting this ankle?”

An ankle can feel unstable because the calf is underpowered, the muscles controlling side-to-side movement lack strength, dorsiflexion is restricted, or the nervous system has poor control of the foot after an old sprain. These problems require different training strategies.

Clinical guidelines for ankle sprains specifically recommend assessing factors such as dorsiflexion range, balance, previous sprains, weight-bearing ability, and jumping and landing performance rather than treating every ankle problem identically.

That gives you a better answer to how to strengthen ankles: identify the weak link, train it progressively, then expose the ankle to the movements you actually need it to handle.

First, Find Out What Your Ankle Is Missing

Before exercising, make four simple comparisons with your other side.

Can you perform controlled single-leg heel raises? If the affected side fatigues much earlier, calf capacity may be limiting you.

Can your knee travel forward over your toes while your heel stays down? A noticeable side-to-side difference suggests restricted dorsiflexion.

Can you stand on one leg for 30 seconds without repeatedly touching down or aggressively gripping the floor with your toes? If not, balance and sensorimotor control deserve attention.

Can you step down from a low step without the ankle collapsing inward or the knee drifting uncontrollably? Poor control here matters more to an active person than simply being able to stand still.

This approach is more useful than doing every exercise equally. A 2021 clinical practice guideline identifies single-limb balance, dorsiflexion range of motion, previous sprains, and functional tasks among important factors in ankle rehabilitation.

1. Build the Calf’s Force-Producing Capacity

Start with calf raises, but don’t treat 30 quick repetitions as automatically better than 10 difficult ones.

Stand with your hands near stable support. Rise onto the balls of your feet, pause briefly, and lower under control. Begin with both legs; progress toward single-leg raises once the two-leg version is easy.

A useful progression is:

Double-leg → assisted single-leg → full single-leg → loaded single-leg.

The reason for progressing this way is simple: the calf must eventually produce and absorb force through one limb while walking, running and jumping. NHS rehabilitation guidance similarly progresses heel raises from supported bilateral work toward single-leg strength.

If your goal is athletic performance, don’t stop when you can perform the movement. Add load or difficulty until the working ankle can handle the forces your activity demands.

2. Train the Muscles That Prevent the Foot from Giving Way

Calf raises mainly challenge plantarflexion. They don’t adequately train the muscles that control inversion and eversion.

Use a resistance band to train:

• Dorsiflexion: pull your foot toward your shin.
• Plantarflexion: press the foot downward.
• Inversion: turn the sole inward against resistance.
• Eversion: turn the sole outward against resistance.

Perform 2–3 sets of 10–15 slow repetitions. Keep the movement in the ankle rather than letting the entire leg rotate.

The overlooked detail is direction. Someone who repeatedly rolls an ankle may need much more than generic calf strengthening because the ankle also has to control rapid side-to-side forces. Rehabilitation guidance commonly combines ankle movement, strengthening and proprioceptive exercises rather than relying on one category.

3. Fix the “Knee Can’t Get Over My Toes” Problem

Dorsiflexion lets the shin move forward over the foot.

Try the knee-to-wall test. Place your foot several centimeters from a wall, keep the heel flat, and gently drive your knee forward until it approaches the wall. Move the foot farther away only if you can maintain heel contact and controlled alignment.

This is not a contest to reach the farthest distance. Compare sides and watch what happens to the foot. If the heel lifts or the arch collapses to create extra movement, you may be measuring compensation rather than useful ankle motion.

Restoring range of motion is routinely incorporated into ankle rehabilitation, particularly after injury, before progressing toward demanding loading.

4. Turn Strength into Stability

Being strong while sitting is not the same as controlling your ankle while standing on one leg.

Start with a 30-second single-leg stand. Once that becomes easy, add reaching with the free leg, catching a ball, or performing the task with a slightly bent knee.

The purpose is not simply to “improve balance.” Your brain continuously receives information from muscles and joints about limb position, then uses that information to make rapid corrections. Proprioceptive and neuromuscular training is therefore an important component of rehabilitation after an ankle sprain.

Progress only when you can maintain control. Closing your eyes or standing on an unstable surface should be a later challenge, not a shortcut to stronger ankles.

5. If You Want to Run, Train for Running

This is where many ankle routines stop too early.

A person may be able to perform 20 calf raises and balance for a minute but still have an ankle that feels unreliable when running. Running introduces repeated, rapid loading that static exercises do not reproduce.

For an athlete, progression should eventually look like:

Strength → single-leg control → hopping → landing → repeated hopping → acceleration/deceleration → cutting → sport-specific movement.

North Bristol NHS Trust recommends progressing toward impact and sport only after the ankle can tolerate weight-bearing and rehabilitation exercises, with a progressive return to sport.

The exact sequence should match the activity. A recreational cyclist and a basketball player do not need identical ankle conditioning.

A Better 3-Day Ankle Routine

For a generally healthy person with no acute injury:

Exercise	Day 1	Day 2	Day 3
Single-leg calf raise	3 × 8–12	—	3 × 8–12
Band inversion/eversion	2 × 12–15	—	2 × 12–15
Knee-to-wall	2 × 8	2 × 8	2 × 8
Single-leg balance	3 × 30 sec	3 × 30 sec	3 × 30 sec
Single-leg reach	—	3 × 5 each direction	—
Hopping progression	—	—	2–3 sets

You do not need to make every exercise harder every session. Progress one variable at a time: resistance, repetitions, range, balanced demand, speed, or impact.

That principle prevents a common mistake, turning rehabilitation into a collection of increasingly complicated exercises without establishing whether the ankle has become stronger.

How to Strengthen Ankles After a Sprain

After a recent sprain, do not immediately copy an advanced ankle workout.

Early rehabilitation generally focuses on restoring comfortable movement and progressively returning to weight-bearing. As symptoms settle, you can introduce and progress resistance, calf strengthening, and balance work. NHS guidance advises increasing activity as pain and swelling permit, progressing from basic balance and heel raises to more demanding tasks.

The important distinction is between “I can walk” and “my ankle is ready for impact.” Walking may return long before the ankle has regained the strength and movement control required for running, jumping or cutting.

If your ankle repeatedly gives way after previous sprains, that pattern may represent chronic ankle instability rather than simple weakness. In that situation, targeted rehabilitation is more appropriate than endlessly repeating basic exercises.

Mistakes That Keep Ankles Weak

1. Only doing ankle circles. Circles can maintain movement, but they provide little progressive resistance.
2. Only doing calf raises. Strong plantarflexion does not guarantee good inversion, eversion, dorsiflexion or balance control.
3. Using unstable surfaces too early. Instability makes an exercise harder, but it does not automatically make the ankle stronger. Build force and control first.
4. Ignoring the opposite side. Comparing sides can reveal a meaningful deficit that repetition counts hide.
5. Returning to sport because the pain disappeared. Pain-free walking is not the same as being prepared for repeated landing and directional changes.

When Should You Stop Training and Get Assessed?

Exercise should not produce progressively worsening pain, substantial swelling, neurological symptoms or repeated episodes of the ankle giving way.

Seek medical assessment after a significant injury if you cannot walk normally, the ankle is visibly deformed, pain is severe, or symptoms are worsening rather than improving. NHS guidance specifically recommends medical evaluation for severe ankle pain, inability to walk, deformity, or neurological symptoms.

Persistent instability also deserves attention. If months of sensible strengthening have not stopped the ankle from repeatedly giving way, the answer may not be “more repetitions.” A physiotherapist or sports-medicine clinician can assess joint mobility, ligament stability, strength, balance and movement mechanics.

Frequently Asked Questions

The most effective answer to how to strengthen ankles, then, is not a longer list of exercises. It is a progression: identify the deficit, restore movement, build force, develop single-leg control, and then train the ankle for the speed and impact it will encounter. That is what turns an ankle from merely “exercised” into an ankle that can tolerate real-world demands.