Your Kicking Leg Swing: Inside-Out vs Straight-Through

Your ball flight is a receipt for your swing path. The ball goes where your leg was going, then curves where your path was pointing. Inside-out paths curve one way. Outside-in paths curve the other. And straight-through — the one everybody wants — is almost nobody’s natural swing on day one. That’s not a flaw. It’s just a fact you train around.

The two paths, and what each one does

For a right-footed kicker, here’s the map. Lefties, mirror it.

Inside-out: the leg starts inside your target line and swings out through it. The ball starts right of the target and curves back left as the swing continues across. Some curve is fine — a slight inside-out path is actually how good kickers get height and power together. Too much, and every kick is a curveball you have to aim around.

Straight-through: the leg travels down the target line, striking the back of the ball square. The flight stays on line. This is the path behind the cleanest, most reliable contact, and it’s what I’m describing in detail in my post on the perfect field goal swing.

Outside-in: the leg crosses the ball from outside the line toward the inside. The flight starts left and bends right, or comes off with sideways spin. This is usually a symptom of reaching — plant too far away, shoulders closed, swing cutting across.

The reason this matters so much: your contact point on the ball is partly a product of your path. Change the path and you change the strike, which is why swing work and ball contact are the same course taught in two semesters.

Why your swing wants to go around you

The body is built to rotate. Your hips want to open, your torso wants to spin, and your leg happily follows both. Straight-through kicking is fighting a default — which is why it never “just happens” and always needs reps. The plant foot pointing down the line, the shoulders staying square a beat longer than feels natural, the knee driving at the target instead of wrapping: those are the three brakes on rotation.

How to feel the correct path

Feel is the hard part, so here are two ways to build it.

The wall check. Stand about a foot from a wall, facing it, in your kick stance. Go through slow-motion swings. If your leg wraps around your body at all, you’ll feel the space close down and your knee drift toward the wall. Ten slow reps, adjust, repeat. The wall only lets honest swings through.

The line drill. Lay a strap, a sock, or a chalk line from the ball straight to your target. Swing so your shin crosses that line at the exact moment of contact. Not parallel to it — crossing it. That’s the feel of a swing that travels through the line instead of around it.

When you move to real kicks, keep the line drill in the warm-up and take one cue to the ball. “Through the line” is my favorite, because it survives pressure. Long cue lists fall apart the second a rush is in your face; a single image your body already owns is what you get to keep. Every session, ten line-drill swings, then straight to short kicks with the same feel. The transfer happens in that gap, not in the drill itself.

Swing faults, flight, and fixes

Fault	Flight you’ll see	First fix
Excessive wrap (leg swings around body)	Starts right, stays right or curves further	Plant a couple inches farther from the ball; slow the hip rotation
Reaching across the ball	Starts left with sideways spin	Plant closer; keep shoulders square through contact
Massive backswing	Inconsistent starts, timing issues	Shorten the backswing until the strike re-times
Stabbing at the ball	Weak, thuddy, little rotation	Drive through a spot past the ball, not at it

Backswing deserves a quick mention here because it’s the fault people notice first. A tall, loopy backswing feels powerful and mostly buys timing debt — everything after it has to re-sync. A moderate backswing with a fast lower-leg snap beats a big one every time.

Corrections that actually stick

Swing path changes need volume at low speed. That’s the non-negotiable. Fifty slow-motion reps with the line drill, spread over a week, will move your path more than 200 full-speed kicks will — because at full speed, your body defaults to whatever it already knows.

Film from behind, at knee height, once a week. You’re looking at one thing: where the shin is pointed at the moment of contact relative to your target line. When that line points where you aimed, you’ve fixed the plane. Everything else — distance, height, curve — improves downstream of it.

One caution as you work: don’t chase someone else’s swing frame by frame. Your structure is your structure. The goal is your most repeatable path, not a carbon copy. That idea runs through my post on finding your authentic kicking swing, and it’s the difference between coaching and imitation.

From a clean path to more yards

Here’s the payoff for all this pedantry. Once your swing travels down the line, your contact stops leaking, and contact is where distance actually comes from. A straight-through path turns the same leg speed into more usable power, because nothing is spent curving the ball.

So here’s your next step: get the path boring, then take it to the range work in my guide to kicking field goals farther — the 12-week framework there assumes you’ve done this homework first. Fix the path, and half your misses file themselves away on their own.