推杆行程
推杆行程是把球沿预定路线滚出的可控钟摆动作。良好的力学动作包括触球时方正的杆面、稳定的节奏，以及与推杆弧度相匹配的路径。
推杆行程是用于把球滚过推杆果岭的具体力学动作。它遵循一套与完整高尔夫挥杆不同的生物力学原理：推杆行程通常被描述为一个钟摆动作，推杆围绕脊柱顶端的一个固定轴摆动，由肩膀的摇摆驱动。与完整挥杆不同，髋部和腿部的作用极小，手腕应保持安静稳定，行程沿着一条特定的路径进行（直后直前式，或根据推杆长度和风格略带内侧-方正-内侧的弧线）。
推杆行程的力学动作，最好通过它对两个关键变量的影响来理解：起始方向和距离控制。起始方向主要由触球时的杆面角度决定（占起始方向影响的75%到80%），其次由行程路径决定（20%到25%）。这意味着，一名瞄准正确、果岭判读也很好、但触球时杆面不稳定的球手，无论其他方面是否正确，都会产生不稳定的起始方向和推丢的推杆。因此，触球时的杆面稳定性，是推杆行程中优先级最高的力学技能。
距离控制——能否稳定地把球滚到预定距离的能力——取决于行程节奏、上杆长度的一致性，以及触球时的加速率。过于减速的行程会产生短推；过快的行程会产生长推。距离控制的黄金标准是一致的节奏，上杆略短于随挥（大约1:1.5的比例），从而产生稳定的加速和可预测的滚动。历史上许多最优秀的推杆手都使用了一种清晰、类似节拍器的节奏：两拍，无论距离长短，每次推杆都保持一致。
For a more consistent putting stroke, put a rubber band around your lead wrist and the shaft of the putter. This means if your wrist breaks down through impact, the band will pull tight. This immediate feedback trains the flat lead wrist that is the foundation of a consistent putting stroke.
Record 20 putts from 10 feet using a camera positioned at hole level (facing the golfer) and check the putter face angle at impact on each one. For a face-balanced putter, the face should appear square (perpendicular to your view) at impact for each putt. Any variation. This means face open on some, closed on others. This means quantifies your face-angle uneven results and tells you whether the stroke or the grip is the source of variability.
Example
一名球手使用一种轻微弧形的推杆行程，与他所用槌形推杆的自然弧度相匹配，全程保持杆面方正——结果是起球方向持续稳定在线。
How it shows up on video
From a face-on camera angle, the putting stroke is evaluated for shoulder-rock versus wrist-flip, face angle stability at impact, and stroke length proportionality (backswing versus follow-through). A shoulder-driven stroke shows the shoulders rocking while the wrists remain quiet and the putter moves smoothly. A wristy stroke shows the hands rotating and the putter face opening and closing through the stroke. From a down-the-line angle, the stroke path (inside-square-inside versus straight) and the face angle relative to the start line at impact are directly observable.
Common mistakes
- Breaking down the lead wrist at impact — a cupped lead wrist at impact is the putting equivalent of a flip in the full swing. It opens the face and pushes the ball to the right (for a right-hander). The lead wrist should remain flat through impact.
- Using different tempo for long versus short putts — changing stroke tempo for different length putts introduces uneven results. The best approach is to change the backswing length (and matching follow-through) while maintaining the same tempo.
- Looking up to see if the putt goes in — premature head movement disrupts the stroke arc and shoulder rock. Keep the head still until after the ball has been struck, then allow it to rotate toward the hole.
- Gripping the putter too tightly — heavy grip pressure in putting kills feel and restricts the pendulum motion of the stroke. Putting grip pressure should be lighter than full-swing pressure — a 3–4/10 is appropriate for most putters.
In SwingVantage Motion Lab
SwingVantage evaluates the putting stroke from face-on video by analyzing shoulder versus wrist motion, lead wrist position at impact, stroke path, and tempo consistency across multiple putts. The system can detect the wristy versus shoulder-driven pattern and flag lead wrist breakdown at impact. Confidence labels reflect video quality and whether the impact zone is clearly visible in the available footage.
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