Flat Feet Exercises: Can You Strengthen a Fallen Arch?

If you have flat feet, you’ve probably wondered whether exercise can actually change anything, or whether you’re stuck managing symptoms forever with insoles and supportive shoes. The honest answer sits in between: exercises generally won’t build you a visibly higher arch, but they can meaningfully strengthen the muscles that support your foot, which often translates into less pain, better stability, and reduced fatigue, even if your arch height itself doesn’t change much.

What Exercise Can (and Can’t) Do for Flat Feet

Your arch height is largely determined by the structure of your bones, ligaments, and tendons, not something that gets rebuilt through exercise the way a muscle grows with training. So if the goal is a taller, more defined arch on its own, exercise alone usually isn’t going to get you there.

What exercise can do is strengthen the muscles in your foot, ankle, and lower leg that support the arch and control how your foot moves. Stronger supporting muscles mean your foot has more active help resisting excess inward roll (over-pronation) and less reliance on passive structures alone to get through a day of walking or standing. For a lot of people, that translates directly into less fatigue and less pain, even without a visible change in arch shape.

Foot-Strengthening Exercises Worth Doing

Towel scrunches. Sit with a towel flat on the floor under your foot. Using only your toes, scrunch the towel toward you, then release. This directly targets the small intrinsic muscles along the bottom of the foot that help support the arch. Aim for 2–3 sets of 10–15 scrunches per foot.

Marble or object pickups. Similar principle, pick up small objects (marbles, small stones, a scrunched-up sock) with your toes and place them in a container. Works the same intrinsic foot muscles as towel scrunches, with a slightly different, more precise movement pattern.

Calf raises. Stand with feet hip-width apart and rise onto your toes, then lower slowly. The calf muscles and Achilles tendon play a real role in overall foot and ankle stability, and tight or weak calves can indirectly increase strain on a flat arch. Start with 2–3 sets of 10–15, holding onto something for balance if needed.

Heel walks and toe walks. Alternate walking short distances on just your heels, then just the balls of your feet. This builds strength and control through the full range of motion your foot goes through during a normal stride.

Single-leg balance. Stand on one foot for 20–30 seconds, progressing to standing on an unstable surface (like a folded towel or a balance pad) as it gets easier. This builds the small stabilizing muscles around the ankle and foot that work constantly, but almost invisibly, to keep you balanced and your arch supported during everyday movement.

Arch lifts (the “short foot” exercise). While seated or standing, try to shorten your foot by drawing the ball of the foot toward the heel without curling your toes, essentially trying to lift the arch slightly through muscle activation alone. This one takes practice to feel, but it’s specifically aimed at the muscles that actively support arch height during movement.

Stretches Worth Adding

Calf stretch. Standing, place one foot behind the other with the back heel flat on the ground, and lean forward gently until you feel a stretch in the lower leg. Hold 20–30 seconds each side. Tight calves are a common, often overlooked contributor to arch strain.

Plantar fascia stretch. While seated, cross one ankle over the opposite knee and gently pull the toes back toward the shin until you feel a stretch along the arch. This is particularly useful if flat feet are contributing to any plantar fasciitis symptoms alongside general arch fatigue.

How Consistent Do You Need to Be?

Like most strengthening work, the benefit comes from consistency rather than intensity. Most people doing these exercises 3–4 times a week start noticing a difference in fatigue and comfort levels within several weeks, though this varies by individual and by how much time you’re spending on your feet day to day. These aren’t exercises you do once and stop, they work best as an ongoing habit alongside proper footwear and support, not a short-term fix.

Exercise Isn’t a Replacement for Support

It’s worth being clear about this: foot-strengthening exercises complement supportive footwear and insoles, they don’t replace them. Strengthening the muscles around a flat arch helps that arch function better and resist fatigue, but it doesn’t eliminate the structural reality of having a lower arch to begin with. For most people with flat feet, especially if there’s any pain involved, the combination of consistent strengthening work and proper arch support in daily footwear produces far better results than either approach alone.

If your flat feet are causing pain during or after these exercises, rather than just normal muscle fatigue, that’s worth easing back on the intensity and having it assessed by a podiatrist rather than pushing through.

The Bottom Line

Exercise won’t rebuild a higher arch, but it will genuinely strengthen the muscles that support the one you have, which for most people means less fatigue, better stability, and often reduced pain over time. Pair a consistent strengthening routine with supportive footwear and the right insole, rather than treating either one as a complete solution on its own.

Our flat feet insole guide can help you find the right level of arch support to pair with a strengthening routine, matched to your specific arch height and the shoes you wear most.