The commonest injury at any indoor court venue is a rolled ankle, and the commonest cause is not fatigue or bad luck. It is footwear.
Running shoes are the default shoe for most people who do any exercise, and they are actively unsuitable for court sports. Here is why, and what to look for instead.
Running shoes are built for one direction
A running shoe is designed around a single repeated motion: heel strike, roll forwards, push off. Everything about it serves that — a thick, soft, elevated heel, a curved sole, and cushioning tuned for vertical impact.
Court sports do almost none of that. Badminton, pickleball and table tennis are played with lateral movement: side steps, sudden stops, lunges, and changes of direction at the very edge of your balance.
Put a tall soft heel under a foot that is moving sideways and the shoe rolls before the foot does. The ankle follows.
What a court shoe does differently
A flat, low sole. Your foot sits close to the floor, so there is less leverage available to tip you over.
Lateral support. The upper is reinforced at the sides, which a running shoe deliberately is not — running shoes are built light because weight matters over ten kilometres.
A gum rubber, non-marking sole. This grips a wooden or synthetic indoor court in a way a running outsole does not. It also does not leave black streaks, which is why many venues require it.
A reinforced toe. Badminton's forward lunge drags the toe across the floor on every retrieval. A running shoe wears through there within months.
The lunge test
Stand in your shoes and lunge forward as though reaching for a drop shot, then push back.
In a court shoe you feel the floor and your ankle stays over your foot. In a running shoe you feel the heel compress and your ankle wobble slightly at the outer edge. That wobble, at speed, mid-rally, is the injury.
What about turf and swimming
Turf football needs its own shoe entirely — astro trainers with many small studs. Moulded football boots designed for grass are wrong on artificial turf; the studs are too long, they catch, and knees rather than ankles pay for it.
Swimming needs flip-flops for the poolside and nothing else. Wet tile is the most slippery surface most people walk on all year.
What to spend
A decent entry-level court shoe is ₹2,500-4,000. It is the single best value purchase in any racquet sport — more useful than upgrading your racquet, by a distance.
Buy half a size up from your street size. Feet swell during play, and a shoe that fits perfectly in a shop at 6pm is tight after forty minutes of badminton.
Replace them when the sole stops gripping, not when they look worn. Grip fails before the shoe looks finished, and that gap is where people fall.
If you only take one thing from this
Do not play your first session in running shoes because you are "just trying it". First sessions involve the most unpredictable movement, by the person least prepared for it. That is exactly when the right shoe matters most.