- freely available
Int. J. Environ. Res. Public Health 2019, 16(22), 4355; https://doi.org/10.3390/ijerph16224355
1.1. Objective of the Study
1.2. Research Questions
- Are there differences between the lateralization of the lead leg selected in three tests that involve clearing hurdles at a marching pace, taking into account different directions of exercise practice?
- Are there differences in terms of the lead-leg lateralization of the subjects among five tests that involve clearing hurdles at marching, jogging, and maximal paces?
- Are there correlations between the functional asymmetries of the selection of the right or left leg as the lead leg during hurdle clearance at marching, jogging, and maximal paces?
- There are no differences in the lateralization of the lead leg selected by participants in three tests involving marches over hurdles.
- There are no differences in the lead leg selected by participants in all forms of hurdle exercises.
2. Materials and Methods
2.2. Study Procedure
2.2.1. “OSI” Test: A Novel Test Developed in this Study
2.2.2. Two Tests Involving Hurdle Clearance at Jogging and Sprinting Paces
2.3. Statistical Analysis
- From all tests involving hurdle clearance (marching, jogging, and running), the study demonstrates the dominance of the right leg. Therefore, the left leg can be considered the dominant take-off leg.
- The lack of a correlation between the leg selection at the marching pace and that at the running pace demonstrates that the specific approach followed during hurdle clearance depends on the profile of the track.
- The results of tests involving hurdle clearance at various speeds (marching, jogging, and running) demonstrate a correlation only between tests conducted at similar speeds (march–jog and jog–run). Such similarities between tests were not observed when hurdling clearance was performed at considerably different speeds (march–run).
- The results of this research could prove helpful in the teaching hurdling running to young athletes, especially over longer distances, taking into account races following a curve (i.e., after a distance of 150–300 m in hurdling races).
Conflicts of Interest
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|Test||Distance Between Hurdles (m)|
|Test 5||F||12 (A)||7.5|
|Test No.||Type Of Test||Lead Leg||Mean ()||Stand. Dev. (SD)||Min.||Max.||Skewness||Kurtosis|
|1||March in a circle “O”||L||3.11||1.20||0||6||0.28||1.22|
|2||March around a bend “S”||L||2.53||1.75||0||6||0.11||−0.44|
|3||March in a straight “I”||L||2.63||1.60||0||6||−0.11||−0.24|
|Test No.||Type Of Test||Left Leg, L||Right Leg, R||Stand. Dev. (SD)||t||p||d|
|1||March in a circle|
|2||March around a bend “S”||36.09||63.91||25.02||−3.42||0.002 *||2.97|
|3||March in a straight line “I”||37.59||62.41||22.87||−3.34||0.002 *||7.67|
|4||Hurdle jog||38.75||61.28||22.75||−3.06||0.004 *||0.99|
|5||Hurdle run||35.34||64.66||35.73||−2.52||0.016 *||0.96|
|Hurdle Arrangement||Layout “O”||Layout “S”||Layout “I”||ANOVA|
|Lead leg R|
|55.64 (±17.18)||63.91 (±25.02)||62.41 (±22.87)||1.53||0.22 (NS)||0.05|
|Test||March “O”||March “S”||March “I”||Total “OSI”||Jog||Run|
|March “I”||0.26||0.46 *|
|Total “OSI”||0.50 *||0.80 *||0.81 *|
|Jog||0.11||0.45||0.64 *||0.58 *|
|Run||0.30||0.33 *||0.44 *||0.47 *||0.58 *|
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