Journal List > Korean J Sports Med > v.33(1) > 1054545

Kim: Effects of Auditory Information and Expertise on the Kinematic Variables of Lower Extremity during Golf Iron Swing

Abstract

The purpose of this study was to examine kinematic variables in golf swing depending on auditory information and expertise. The subjects were semi-professional 5 golfers and amateur 5 golfers. Data were analyzed with analysis of variance for repeated measures using SPSS program. The results were followed. The angular displacement of the shoulder joint's right was significant that skilled and unskilled group were according to the swing the most phase in the metronome. Unskilled group was significant difference to swing with the music performed in 4 phases. Angular displacement of the hip joint's right was significant difference that skilled group was to swing in all phases and unskilled group was showed significant differences in the 3 phase. Angular displacement of the hip joint's left was significant difference that skilled group in all phases except for two phase. Unskilled group was significant differences in all phases. The angular displacement of knee joint's right were significant difference that skilled group was to swing in all phases. Unskilled group was showed except for 1 phase a significant difference was found in all phases. The angular displacement of knee joint's left were significant difference that skilled group and unskilled group showed significant differences in all phases. The angular displacement of ankle joint's right and left ankle joint were significant differences, both skilled and unskilled group in all aspects. Consequently, efficient golf swing may affect that the accuracy considered over the regular rhythmic auditory training methods that provide auditory information.

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Fig. 1.
Field and target marking golf swing test.
kjsm-33-19f1.tif
Fig. 2.
Makers of subjects. ASIS: anterior superior iliac spine.
kjsm-33-19f2.tif
Fig. 3.
Phase of iron swing.
kjsm-33-19f3.tif
Table 1.
Physical characteristics of subjects
Subject Age (y) Height (cm) Weight (kg) Handicap
Skilled (n=5) 26.40±1.51 176.60±1.00 78.40±2.19 3
Un-skilled (n=5) 27.60±0.54 185.40±3.50 83.40±0.54 15.3
Table 2.
Hip angular displacement of auditory information and expertise
Phase Group Expertise Right (o) Left (o)
1 G1 Skilled 142.99±4.49 146.64±2.94
  Un-skilled 133.75±3.23 134.02±1.70
G2 Skilled 156.51±3.46 135.04±2.93
  Un-skilled 132.41±4.29 137.67±2.05
G3 Skilled 135.45±4.98 143.00±5.20
  Un-skilled 133.68±1.54 139.71±1.09
F-value Skilled 113.869 45.213
  Un-skilled 1.041 56.876
Sig. Skilled 0.000∗∗∗ 0.000∗∗∗
  Un-skilled 0.360 0.000∗∗∗
2 G1 Skilled 148.31±2.63 141.54±2.29
  Un-skilled 146.83±4.38 130.53±0.77
G2 Skilled 149.45±0.57 140.88±3.38
  Un-skilled 146.86±5.94 134.90±1.45
G3 Skilled 147.98±1.62 140.89±3.03
  Un-skilled 145.23±4.56 134.80±1.07
F-value Skilled 3.262 0.297
  Un-skilled 0.622 86.358
Sig. Skilled 0.046 0.744
  Un-skilled 0.541 0.000∗∗∗
3 G1 Skilled 151.27±4.52 142.96±1.13
  Un-skilled 147.78±1.01 135.95±1.77
G2 Skilled 151.44±2.13 145.39±0.69
  Un-skilled 151.47±1.71 139.31±0.90
G3 Skilled 146.38±1.56 145.02±0.68
  Un-skilled 153.08±0.53 136.85±0.90
F-value Skilled 17.150 43.761
  Un-skilled 99.196 36.017
Sig. Skilled 0.000∗∗∗ 0.000∗∗∗
  Un-skilled 0.000∗∗∗ 0.000∗∗∗
4 G1 Skilled 145.74±9.92 133.35±5.49
  Un-skilled 151.84±4.03 136.29±1.30
G2 Skilled 137.95±5.29 145.35±2.30
  Un-skilled 149.77±5.33 140.93±1.14
G3 Skilled 148.01±5.39 134.46±4.73
  Un-skilled 153.04±4.78 138.29±1.03
F-value Skilled 10.908 47.436
  Un-skilled 2.438 81.299
Sig. Skilled 0.000∗∗∗ 0.000∗∗∗
  Un-skilled 0.096 0.000∗∗∗

Values are presented as mean±standard deviation. G1: general swing, G2: metronome swing, G3: music swing. ∗∗∗p<0.001.

Table 3.
Knee angular displacement of auditory information and expertise
Phase Group Expertise Right (o) Left (o)
1 G1 Skilled 147.16±3.13 149.74±4.40
Unskilled 149.94±1.79 149.84±2.82
G2 Skilled 151.52±1.43 152.21±1.67
Unskilled 150.84±1.54 147.95±1.35
G3 Skilled 108.18±2.28 150.30±3.05
Unskilled 150.64±1.84 150.98±1.05
F-value Skilled 1897.800 3.018
Unskilled 1.422 12.205
Sig. Skilled 0.000∗∗∗ 0.057
Unskilled 0.250 0.000∗∗∗
2 G1 Skilled 144.47±1.45 141.66±0.48
Unskilled 143.21±1.40 142.44±0.81
G2 Skilled 149.23±0.94 153.36±0.76
Unskilled 145.09±1.32 143.02±0.69
G3 Skilled 106.85±1.32 142.97±0.74
Unskilled 143.97±0.63 144.97±1.47
F-value Skilled 6136.866 1612.320
Unskilled 11.665 28.425
Sig. Skilled 0.000∗∗∗ 0.000∗∗∗
Unskilled 0.000∗∗∗ 0.000∗∗∗
3 G1 Skilled 147.42±2.18 136.12±3.76
Unskilled 141.72±0.53 138.92±1.81
G2 Skilled 147.79±2.19 152.48±2.74
Unskilled 143.10±1.73 141.88±1.00
G3 Skilled 104.97±1.33 142.86±1.45
Unskilled 141.40±0.66 139.94±1.23
F-value Skilled 3039.041 161.333
Unskilled 12.372 22.155
Sig. Skilled 0.000∗∗∗ 0.000∗∗∗
Unskilled 0.000∗∗∗ 0.000∗∗∗
4 G1 Skilled 145.11±0.71 136.39±8.00
Unskilled 139.16±0.51 137.78±4.06
G2 Skilled 148.25±1.43 154.06±3.35
Unskilled 142.44±1.88 142.39±2.34
G3 Skilled 102.77±0.69 135.80±2.25
Unskilled 139.11±1.22 142.42±0.57
F-value Skilled 12057.393 81.747
Unskilled 40.935 18.929
Sig. Skilled 0.000∗∗∗ 0.000∗∗∗
Unskilled 0.000∗∗∗ 0.000∗∗∗

Values are presented as mean±standard deviation. G1, general swing; G2, metronome swing, G3, music swing. ∗∗∗p<0.001.

Table 4.
Ankle angular displacement of auditory information and expertise
Phase Group Expertise Right (o) Left (o)
1 G1 Skilled 110.94±1.91 109.11±8.02
Un-skilled 128.02±1.18 112.74±3.10
G2 Skilled 108.18±2.28 144.60±1.55
Un-skilled 107.88±1.73 265.29±6.75
G3 Skilled 119.00±0.58 123.55±2.14
Un-skilled 108.40±0.53 114.45±3.29
F-value Skilled 194.863 254.428
Unskilled 1598.753 6615.168
Sig. Skilled 0.000∗∗∗ 0.000∗∗∗
Unskilled 0.000∗∗∗ 0.000∗∗∗
2 G1 Skilled 113.78±1.96 98.45±1.07
Un-skilled 125.02±1.09 107.50±1.02
G2 Skilled 106.85±1.32 140.28±2.35
Un-skilled 107.05±0.64 254.11±4.17
G3 Skilled 119.27±0.48 118.42±0.88
Un-skilled 108.01±0.33 109.28±1.66
F-value Skilled 359.293 3153.179
Unskilled 3177.358 17973.685
Sig. Skilled 0.000∗∗∗ 0.000∗∗∗
Unskilled 0.000∗∗∗ 0.000∗∗∗
3 G1 Skilled 108.23±9.59 96.25±1.02
Un-skilled 122.86±0.29 105.50±0.84
G2 Skilled 104.97±1.33 133.60±3.08
Un-skilled 107.94±1.22 247.46±1.01
G3 Skilled 114.69±4.05 114.55±2.03
Un-skilled 107.83±0.74 106.80±1.01
F-value Skilled 12.655 1353.313
Unskilled 1984.298 136887.535
Sig. Skilled 0.000∗∗∗ 0.000∗∗∗
Unskilled 0.000∗∗∗ 0.000∗∗∗
4 G1 Skilled 109.25±5.85 101.69±6.45
Un-skilled 122.62±0.75 104.85±1.09
G2 Skilled 103.04±1.17 141.21±4.29
Un-skilled 111.66±1.06 250.86±2.99
G3 Skilled 115.87±2.03 117.44±2.78
Un-skilled 111.79±0.77 110.47±1.69
F-value Skilled 62.022 356.570
Unskilled 1023.746 31510.539
Sig. Skilled 0.000∗∗∗ 0.000∗∗∗
Unskilled 0.000∗∗∗ 0.000∗∗∗

Values are presented as mean±standard deviation. G1, general swing G2, metronome swing, G3, music swing. ∗∗∗p<0.001.

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