Your ankles are working far harder than you realize. When you run, your ankle joints must absorb peak forces equivalent to 13 times your body weight, according to research cited by orthopedic specialists. Yet most people who hit the gym focus almost exclusively on legs, glutes, and core, leaving their ankles vulnerable to sprains, strains, and chronic instability that can sideline even casual walkers.

Why Are Ankles So Frequently Injured During Exercise?

The problem isn't that ankles are weak by nature; it's that they're undertrained. Unlike your quadriceps or hamstrings, which get attention in standard leg workouts, ankles contain smaller stabilizing muscles that require direct, targeted work to function optimally. When these stabilizers aren't conditioned, your ankle joints compensate by shifting and rotating in ways that increase injury risk.

This becomes especially problematic for runners, walkers, and anyone doing balance-based activities. Even if you already do lower-body strength work, your general leg training likely doesn't address the specific muscle groups that control ankle motion in all directions. The result: ankles that feel unstable, recurring ankle problems, and a cascade of compensations that affect your knees, hips, and lower back.

What Four Movements Build Ankle Stability?

Dr. Tom Walters, an orthopedic physical therapist and certified strength and conditioning specialist, has developed a structured approach to ankle conditioning using resistance bands. His method targets four foundational ankle movements that work together to stabilize your joint from every angle.

• Plantarflexion: Pointing your toes away from you, which strengthens the calf muscles and the bottom of your foot
• Dorsiflexion: Pulling your toes toward your shin, which engages the muscles along the front of your lower leg
• Inversion: Turning your foot inward, which targets the muscles on the inside of your ankle
• Eversion: Turning your foot outward, which strengthens the muscles on the outside of your ankle

"These four movements strengthen the muscles that help control ankle motion in every direction. This is important not only after injury but also for long-term joint stability," explained Dr. Tom Walters, orthopedic physical therapist and certified strength and conditioning specialist.

Dr. Tom Walters, Orthopedic Physical Therapist and Certified Strength and Conditioning Specialist

Together, these movements address the complete range of ankle motion. Most people never train in all four directions, which means their ankles develop imbalances. One side becomes stronger while the other remains weak, creating a setup for injury when your foot lands at an unexpected angle or your body shifts suddenly during activity.

How to Build Ankle Strength With a Resistance Band Routine

• Plantarflexion Exercise: Sit with legs extended, wrap a resistance band around the ball of one foot, pull the band to create tension while your foot is flexed, then extend your ankle by pointing your toes away from you. Return slowly to the start position and complete all repetitions on one side before switching.
• Dorsiflexion Exercise: Attach a resistance band to a sturdy anchor point and loop the other end around your foot just below your toes. Move away from the anchor until there is tension in the band with your leg extended. Flex your ankle as far as you can by pointing your toes toward you, then slowly return to the start position.
• Inversion Exercise: Attach a resistance band to an anchor point, sit right-side on to the anchor, and loop the band around the ball of your right foot. Move away until there is tension in the band with your leg extended. Use your ankle to move your foot inward to the left while keeping your leg stable and your kneecap pointing up.
• Eversion Exercise: Attach a resistance band to an anchor point, sit left-side on to the anchor, and loop the band around the ball of your right foot. Move away until there is tension in the band with your leg extended. Start with your foot turned inward, then use your ankle to move your foot outward to the right while keeping your leg stable and your kneecap pointing up.

The entire routine takes about 15 minutes and requires only a single resistance band. The key to effectiveness is controlled movement rather than speed. Walters emphasizes that the resistance should feel challenging but not painful, and you should move with deliberate control to avoid letting momentum carry your foot back to the starting position.

Perform this routine a couple of times per week to build ankle strength and reduce your risk of aches and pains. The resistance band approach is particularly valuable because it allows gradual loading without excessive joint stress, making it appropriate whether you're recovering from an ankle sprain or simply maintaining long-term joint stability.

Who Benefits Most From Ankle Strengthening Work?

While ankle conditioning helps everyone, certain groups see the most dramatic improvements. Runners and walkers benefit significantly because their ankles absorb repetitive impact forces. People recovering from ankle sprains or periods of inactivity also see faster progress, as the targeted exercises help restore control and confidence in the joint. Balance-focused activities like yoga, pilates, and functional fitness all demand stable ankles, making this routine a valuable addition to any training program.

Even if you've never had ankle problems, dedicating time to ankle strength now is an investment in your future mobility. Many people don't realize their ankle stability is compromised until they step wrong or experience a minor sprain that becomes chronic. By training your ankles proactively, you're building resilience that pays dividends across all your physical activities.