Get a Straight Left Leg at Impact for Stability, Power

Published: October 12, 2025

In this video, I'll show you how to use your lead leg, from the top of the backswing all the way through to the straight lead leg at impact position.

how to get a stright left leg at impactHow to straighten your left leg at impact.

You'll find out:

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  • Which key muscles to focus on so you can consistently make a proper weight shift in the golf swing, and
  • What you should feel in your lead leg as you stack onto your lead side through impact.

The lead leg is the anchor of your entire impact position. As you transition from the top of your backswing, your lead heel should plant firmly and your lead knee should begin to straighten, driving your hip rotation through the ball. That progressive straightening — culminating in a fully posted, braced lead leg at impact — is what elite players use to create the leverage that generates effortless club head speed. Without it, the hips stall and your downswing sequencing breaks down. Check your lead leg position through the hitting zone with an AI swing analyzer, and train the proper weight transfer mechanics with the GOAT Drill system.

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How to Get a Straight Left Leg at Impact

Learn to straighten your left leg at impact for improved stability and power in your golf swing.

  1. 1

    Start from the Backswing

    Begin at the top of your backswing. Ensure your lead leg is prepared to support your weight shift as you transition into your downswing.

  2. 2

    Plant Your Lead Heel

    As you initiate your downswing, focus on planting your lead heel firmly into the ground. This will provide stability and a solid base for your swing.

  3. 3

    Straighten Your Lead Knee

    As you move through the impact zone, begin to straighten your lead knee. This action helps in driving your hip rotation and maintaining balance.

  4. 4

    Feel the Weight Shift

    Pay attention to how your weight shifts onto your lead side. You should feel a strong connection through your lead leg as you approach impact.

  5. 5

    Achieve Full Leg Extension

    Aim for a fully posted and braced lead leg at impact. This position is crucial for generating leverage and club head speed.

  6. 6

    Check Your Position

    Use an AI swing analyzer to evaluate your lead leg position through the hitting zone. Adjust as necessary to ensure proper mechanics.

Related Golf Instruction

Frequently Asked Questions

Why should the lead leg straighten at impact in the golf swing?

The straightening of the lead leg at impact is part of the natural ground-force transfer sequence. As the lead hip rotates and rises through the ball, the lead leg braces to create a stable post that the upper body can rotate around. This braced lead side is what top tour players call posting up, and it is a hallmark of powerful, consistent ball striking.

What happens if the lead leg stays bent at impact?

A bent lead leg allows the lead hip to slide laterally through the ball instead of rotating around a fixed axis. This lateral slide causes the low point of the swing arc to shift behind the ball, producing fat and thin contact. It also reduces rotational speed because the stable post that converts hip rotation into club speed is absent.

Does straightening the lead leg mean locking the knee?

Not exactly. The goal is a firm braced lead leg, not a hyperextended locked knee. The leg straightens through the momentum of rotation, not by consciously pushing it straight. Think of it as the leg posting up in response to hip rotation rather than being jammed into position ahead of time.

What drill teaches the lead leg brace at impact?

The step-and-hold drill is very effective: start with your feet together, take a small step forward with the lead foot as you swing down, and hold the impact position for two seconds. This trains you to feel the lead leg firming up naturally as the hips clear. Repeating this in slow motion builds the correct muscle memory before full-speed swings.

Learn the 3 Tour Pro Consistency Secrets You've NEVER Heard!

Watch part 2 now to see how you're moving your body in the opposite direction of the pros!

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