Table 1. Impact and jump performance related variables (n = 21 participants).
Variable | Shoe type | SF0 | SF1 | SF2 | SF3 | SF4 | Shoe effect (p-value) | SF effect (p-value) | Shoe*SF (p-value) |
---|---|---|---|---|---|---|---|---|---|
Ankle Jumps | |||||||||
PVGRF (N.kg-1) | MIN | 60.0±5.0 | 59.2±5.3 | 61.4±7.0 | 60.5±6.9 | 60.3±4.7 | 0.002 | 0.636 | 0.637 |
CUSH | 62.3±5.7 | 62.0±6.5 | 62.2±4.8 | 61.4±5.6 | 61.5±5.4 | ||||
VILR (N.s-1. kg-1) | MIN | 2859±1117 | 2825±1360 | 2678±1113 | 2429±871 | 2074±625 | <0.001 | <0.001 | 0.414 |
CUSH | 1876±415 | 1890±472 | 1907±415 | 1772±267 | 1546±318 | ||||
VALR (N.s-1. kg-1) | MIN | 699±132 | 689±124 | 730±188 | 714±137 | 704±115 | <0.001 | 0.617 | 0.782 |
CUSH | 800±154 | 783±166 | 795±114 | 782±132 | 767±132 | ||||
CT (ms) | MIN | 198±15 | 201±21 | 195±19 | 197±23 | 199±16 | <0.001 | 0.300 | 0.971 |
CUSH | 188±18 | 189±18 | 185±14 | 188±17 | 190±13 | ||||
Wecc (J. kg-1) | MIN | -4.0±0.5 | -4.2±0.7 | -4.0±0.6 | -4.0±0.7 | -4.0±0.6 | 0.008 | 0.524 | 0.972 |
CUSH | -3.9±0.6 | -4.0±0.7 | -3.9±0.6 | -3.9±0.6 | -3.9±0.6 | ||||
JH (cm) | MIN | 23.8±4.3 | 24.5±5.2 | 24.1±4.4 | 23.4±5.2 | 23.5±4.0 | 0.588 | 0.444 | 0.998 |
CUSH | 23.6±3.8 | 24.1±5.1 | 23.9± 4.4 | 23.4±4.4 | 23.4±4.2 | ||||
Wcon (J. kg-1) | MIN | 4.1±0.6 | 4.2±0.8 | 4.1±0.6 | 4.0±0.8 | 4.1±0.5 | 0.004 | 0.266 | 0.980 |
CUSH | 3.9±0.6 | 4.0±0.7 | 4.0±0.6 | 3.9±0.6 | 3.9±0.6 | ||||
Multi-jumps | |||||||||
PVGRF (N.kg-1) | MIN | 36.2±7.0 | 36.2±8.0 | 36.5±7.4 | 35.3±7.5 | 35.0±7.3 | <0.001 | 0.240 | 0.740 |
CUSH | 31.6±5.4 | 32.9±6.0 | 34.0±7.5 | 32.2±5.9 | 32.4±6.4 | ||||
VILR (N.s-1. kg-1) | MIN | 3340±1361 | 2666±1316 | 2953±1403 | 2523±856 | 2077±793 | <0.001 | <0.001 | 0.003 |
CUSH | 1966±541 | 1911±567 | 2001±732 | 1854±445 | 1815±565 | ||||
VALR (N.s-1. kg-1) | MIN | 427±139 | 430±158 | 423±153 | 411±139 | 402±145 | 0.488 | 0.802 | 0.533 |
CUSH | 402±151 | 395±153 | 433±207 | 399±149 | 423±139 | ||||
CT (ms) | MIN | 636±103 | 646±104 | 596±109 | 618±93 | 620±85 | 0.002 | 0.013 | 0.694 |
CUSH | 593±88 | 617±112 | 581±105 | 603±91 | 604±96 | ||||
Wecc (J. kg-1) | MIN | -7.9±0.6 | -8.0±0.7 | -7.8±0.7 | -8.0±0.7 | -8.0±0.6 | 0.792 | 0.380 | 0.903 |
CUSH | -7.9±0.6 | -8.0±0.7 | -7.9±0.7 | -7.9±0.7 | -7.9±0.7 | ||||
JH (cm) | MIN | 33.4±4.8 | 33.6±4.0 | 33.4±3.7 | 33.9±4.9 | 33.2±4.3 | <0.001 | 0.304 | 0.714 |
CUSH | 34.0±3.9 | 34.2±4.3 | 34.3±3.9 | 34.1±4.4 | 33.8±4.3 | ||||
Wcon (J. kg-1) | MIN | 7.8±0.8 | 7.9±0.7 | 7.7±0.6 | 7.9±0.7 | 7.8±0.6 | 0.061 | 0.171 | 0.900 |
CUSH | 7.7±0.6 | 7.8±0.7 | 7.7±0.6 | 7.7±0.6 | 7.8±0.6 |
Values are Mean±SD. PVGRF: Peak Vertical Ground Reaction Force; VILR: Vertical Instantaneous Loading Rate; VALR: Vertical Average Loading Rate; CT: Contact Time; Wecc: Eccentric Work; JH: Jump Height; Wcon: Concentric Work; N: Newton; kg: kilogramme; s: second; ms: millisecond; cm: centimetre; J: Joule; MIN: Minimalist shoes; CUSH: Cushioned shoes; SF: Sports Floorings.