| 000 | 03213nlm1a2200409 4500 | ||
|---|---|---|---|
| 001 | 666598 | ||
| 005 | 20231030042042.0 | ||
| 035 | _a(RuTPU)RU\TPU\network\37802 | ||
| 035 | _aRU\TPU\network\37643 | ||
| 090 | _a666598 | ||
| 100 | _a20220113a2020 k y0engy50 ba | ||
| 101 | 0 | _aeng | |
| 102 | _aUS | ||
| 135 | _adrgn ---uucaa | ||
| 181 | 0 | _ai | |
| 182 | 0 | _ab | |
| 200 | 1 |
_aEffect of a fatiguing ultratrail on the graded energetically optimal stride frequency _fG. Vernillo, A. Mater, G. Doucende [et al.] |
|
| 203 |
_aText _celectronic |
||
| 300 | _aTitle screen | ||
| 330 | _aPurpose: To study the consequences of a fatiguing ultratrail run of 6 hours on self-optimizing capability during uphill and downhill (DR) running. Methods: The authors collected temporal stride kinematics and metabolic data in 8 (experimental group) male runners before and after the ultratrail run and in 6 (control group) male ultramarathon runners who did not run but stayed awake and performed normal, daily physical activities avoiding strenuous exercises over the 6-hour period. For each subject, preferred and optimal stride frequencies were measured, where stride frequency was systematically varied above and below the preferred one (±4% and ±8%) while running 3 conditions on level, 5% uphill, or 5% DR in a randomized order. Results: Preferred and optimal stride frequencies across grade, group, and time showed no significant differences (P ? .184). Metabolic cost and the energetically optimum metabolic cost showed a grade ? group ? time interaction (P ? .011), with an ?11% increase in the 2 variables only during the DR bouts (P ? .037). Conclusions: Despite maintaining similar dynamics of stride frequency adjustments during the DR bout, the experimental group was not able to optimize its gait. This suggests that the DR section of ultratrail runs can introduce a perturbing factor in the runners’ optimization process, highlighting the need for incorporating DR bouts in the training programs of ultratrail runners to minimize the deleterious effects of DR on the energetically optimal gait. | ||
| 461 | _tInternational Journal of Sports Physiology and Performance | ||
| 463 |
_tVol. 15, iss. 9 _v[P. 1340-1343] _d2020 |
||
| 610 | 1 | _aэлектронный ресурс | |
| 610 | 1 | _aтруды учёных ТПУ | |
| 610 | 1 | _ametabolic cost | |
| 610 | 1 | _aslope | |
| 610 | 1 | _aultramarathon | |
| 610 | 1 | _aoptimization | |
| 701 | 1 |
_aVernillo _bG. _gGianluca |
|
| 701 | 1 |
_aMater _bA. |
|
| 701 | 1 |
_aDoucende _bG. _gGregory |
|
| 701 | 1 |
_aCassirame _bJ. _gJohan |
|
| 701 | 1 |
_aMourot _bL. _cspecialist in the field of physical training and sports _cSenior Researcher of Tomsk Polytechnic University, Candidate of philological sciences _f1977- _gLaurent _2stltpush _3(RuTPU)RU\TPU\pers\41001 |
|
| 712 | 0 | 2 |
_aНациональный исследовательский Томский политехнический университет _bШкола базовой инженерной подготовки _bОтделение физической культуры _h8034 _2stltpush _3(RuTPU)RU\TPU\col\23545 |
| 801 | 2 |
_aRU _b63413507 _c20220624 _gRCR |
|
| 856 | 4 | _uhttps://doi.org/10.1123/ijspp.2019-0666 | |
| 942 | _cCF | ||