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Ankle · Lateral Ankle Sprain / Chronic Ankle Instability

Ankle Sprain

You injured the ligaments on the outside of your ankle, usually by rolling the foot inward. It’s one of the most common ankle injuries. When it doesn’t fully recover, the ankle can keep feeling unstable and ‘give way’.

The ligaments and the position-sense (proprioception) in the ankle get knocked out by the sprain. If you only wait for the pain to settle and never retrain balance and the muscles that resist rolling (the peroneals on the outside), the ankle stays under-protected, so it rolls again, and again. Retrain balance and ankle strength, rather than just resting.

How it typically shows up

Pain on the outside of the ankle after rolling/twisting it inward, with lateral swelling and a wobbly, give-way feeling on single-leg balance, once fracture, Achilles rupture, high ankle (syndesmosis), inside-ankle (PTTD), and front-of-ankle arthritis are excluded. 'Giving way' or repeat sprains over a year mark the chronic-instability (CAI) form of the same condition.

How long recovery takes

Early on: protect it, move it gently, and start putting weight through it as it feels ready. Then strengthen the ankle (especially turning the foot outward) and retrain your balance, the most important part: standing on the one leg, then with eyes closed, then on something soft and wobbly. A first sprain usually settles roughly: mild in 1-2 weeks, moderate in 3-6 weeks, severe in 6-12 weeks or more. Balance work pays off over about 4-6 weeks (a few times a week). A brace early on helps, but a brace alone isn’t the fix. The strength and balance work is what makes it stick.

The phased recovery approach

  1. Phase 1 · 1–3 weeks

    Calm

    Settle pain and swelling with gentle movement before rebuilding your ankle.

    What you get back: easier walking and ankle movement.

    • Ankle Pumps: 2–3 sets × 15–20 reps · Move slowly through full range to prevent ankle stiffness. · Sit or lie, injured leg supported and relaxed.
    • Ankle Alphabet: 1 set × 45–60s moving · Complete A to Z for the shown time, drawing large, slow letters within comfortable range. · Sit down and lift the injured foot off the floor.
    • Calf Stretch / Knee-to-Wall Mobilizer: 3–4 sets × 20–30s hold · Move gently to restore the ankle’s forward bend. · Face a wall, injured foot forward, toes a few inches away.
    • Seated Calf Stretch: 3–4 sets × 20–30s hold · Keep it pain-free. This is a calm stretch you control, with no forcing. · Sit, leg straight, towel or hands around the ball of your foot.

  2. Phase 2 · 2–5 weeks

    Rebuild

    Strengthen outward foot turning to improve ankle stability.

    What you get back: an ankle that holds steady on longer walks and stairs.

    • Calf Stretch / Knee-to-Wall Mobilizer: 3 sets × 20–30s hold · Move gently to restore the ankle’s forward bend. · Face a wall, injured foot forward, toes a few inches away.
    • Band Eversion: 3 sets × 10–15 reps · Keep it slow and controlled. This is the one that protects against rolling your ankle again. · Sit, both legs out, band around both forefeet or the working foot with its other end anchored inside that foot.
    • Self-Resisted Eversion Reps: 3 sets × 10–15 reps · Move slowly with control, training ankle-stabilizing muscles. · Sit, injured foot relaxed, using your other foot for resistance.
    • Band Inversion: 3 sets × 10–15 reps · Move slowly, balancing this with eversion work. · Sit, leg out, band looped around your foot’s ball.

  3. Phase 3 · 1–6 weeks

    Your path from here

    This part depends on your goal. Your program follows one of these.

    • Walking and being on my feet or Just everyday life, pain-free

      1–3 weeks for this path

      1. Daily life

        1–3 weeks

        Maintain balance and ankle strength for steady walking, stairs, and uneven ground when sport isn’t the goal.

        What you get back: stairs and uneven ground without the wobble.

        • Graded Walking: 1 set × 25–40 min of activity · Walk today’s time at a comfortable pace, and stop if swelling or pain climbs while you walk. · Start flat and predictable before adding hills or uneven surfaces.
        • Calf Stretch / Knee-to-Wall Mobilizer: 3–4 sets × 20–30s hold · Move gently to restore the ankle’s forward bend. · Face a wall, injured foot forward, toes a few inches away.
        • Band Eversion: 3 sets × 15–20 reps · Keep it slow and controlled. This is the one that protects against rolling your ankle again. · Sit, both legs out, band around both forefeet or the working foot with its other end anchored inside that foot.
        • Self-Resisted Eversion Reps: 3 sets × 15–20 reps · Move slowly with control, training ankle-stabilizing muscles. · Sit, injured foot relaxed, using your other foot for resistance.

    • Running again

      3–6 weeks for this path

      1. Running

        3–6 weeks

        Retrain the ankle’s balance and prove it can land and hold steady before you trust it with running.

        What you get back: running again on an ankle that holds its landings.

        • Calf Stretch / Knee-to-Wall Mobilizer: 3 sets × 20–30s hold · Move gently to restore the ankle’s forward bend. · Face a wall, injured foot forward, toes a few inches away.
        • Band Eversion: 3–4 sets × 15–20 reps · Keep it slow and controlled. This is the one that protects against rolling your ankle again. · Sit, both legs out, band around both forefeet or the working foot with its other end anchored inside that foot.
        • Self-Resisted Eversion Reps: 3–4 sets × 15–20 reps · Move slowly with control, training ankle-stabilizing muscles. · Sit, injured foot relaxed, using your other foot for resistance.
        • Single-Leg Heel Raise: 3 sets × 10–15 reps · Lift and lower slowly with equal control. · Stand and rest a fingertip on a wall for balance, with your weight on the injured leg.

    • Gym training

      3–6 weeks for this path

      1. Gym

        3–6 weeks

        Rebuild the loaded leg strength and steady balance the gym asks for so squats and lunges don’t make it give way.

        What you get back: loaded lower-body training again.

        • Wobble-Board Balance: 4–5 sets × 40–60s moving · Move with control, keeping edges off the floor. · Stand on a wobble board, keeping the edges off the floor.
        • Single-Leg Balance on a Cushion: 4–5 sets × 40–60s hold · The wobble is the point. · Place a pillow or folded towel on the floor beside a wall.
        • Single-Leg Balance, Eyes Closed: 4–5 sets × 40–60s hold · Closing your eyes is the progression. Keep the hold steady, and open them the moment you start to topple. · Stand beside a reachable wall for safety.
        • Single-Leg Balance: 4–5 sets × 40–60s hold · Use the wall as little as you can, and stop the set as soon as you cannot hold steady. · Stand beside a wall within reach for balance.

Exact exercises, sets and progression depend on your severity, equipment and goal. This is the shape of the program, not a one-size prescription.

What matters while you recover

  • Balance is the real medicine here

    Balance training is the best-evidenced way to stop the ankle rolling again. Make it harder by closing your eyes then standing on something soft, not by adding weight.

  • Move it and load it, don’t just rest

    Protect it early with a brace or tape, but start bearing weight as it tolerates and moving it gently. Resting until all pain goes leaves it wobbly and prone to rolling.

  • Use a brace, alongside the work

    Use a brace or tape early and keep bearing weight. A brace also cuts your odds of another sprain, but only alongside this balance and strength work, never instead of it.

Common questions

Should I just rest it until it stops hurting?
No, that’s exactly what leads to a wobbly ankle that keeps rolling. Gentle early movement and weight-bearing, then balance retraining, is what protects you from the next sprain.
Will a brace fix it?
A brace helps early and is good for prevention, but a brace on its own does NOT rebuild the balance and strength. The exercises do. Use it as support while you train, not instead of training.
Why so much balancing on one leg?
The sprain damages your ankle’s sense of where it is in space. Retraining that (single-leg, eyes closed, on a cushion) is the single best-evidenced thing for stopping it happening again.
Is some discomfort during the exercises okay?
Moderate pain is fine if it settles by the next morning AND the swelling doesn’t go up after a session. If pain lingers or it swells more, ease off next time.

Go deeper

Related ankle conditions

Sources