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Providing Visual Biofeedback Using Brightness Mode Ultrasound During a Golf Swing
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Difference in peak weight transfer and timing based on golf handicap.

Robin M Queen1, Robert J Butler, Boyi Dai

  • 1Michael W. Krzyzewski Human Performance Laboratory, Duke University Medical Center, Durham, North Carolina, USA. robin.queen@duke.edu

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Low handicap golfers exhibit greater and earlier force generation during the golf swing compared to high handicap golfers. These weight shift differences can inform golf training for improved performance.

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Area of Science:

  • Biomechanics of sport
  • Kinetics and kinematics of human movement
  • Golf performance analysis

Background:

  • Weight shift is crucial in the golf swing, but its variation across skill levels remains unclear.
  • Understanding ground reaction forces (GRF) and their timing can differentiate golfer performance.

Purpose of the Study:

  • To compare peak GRF and timing between high (HHCP) and low handicap (LHCP) golfers.
  • To analyze differences in weight shift between leading and trailing legs during the golf swing.

Main Methods:

  • Twenty-eight male golfers (LHCP < 9, HHCP > 9) participated.
  • Three-dimensional GRF peaks and timing were measured bilaterally across distinct swing phases.
  • Repeated measures ANOVA analyzed vertical, lateral, and medial GRF magnitude and timing.

Main Results:

  • LHCP golfers showed greater vertical force transfer (trailing to leading foot) in phase 2.
  • LHCP golfers exhibited earlier peak vertical, lateral (phase 2), and medial (phases 1 & 2) GRF timing.
  • Differences in peak lateral GRF magnitude were observed between groups.

Conclusions:

  • LHCP golfers demonstrate more dynamic weight shifting with earlier force generation than HHCP golfers.
  • Training programs can leverage these GRF magnitude and timing differences to enhance golf performance.
  • Teaching professionals can use these insights to optimize student weight transfer technique.