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Record W2901857724 · doi:10.3389/fphys.2018.01621

Enhanced Metabolic Stress Augments Ischemic Preconditioning for Exercise Performance

2018· article· en· W2901857724 on OpenAlexafffund
Joshua T. Slysz, Jamie F. Burr

Bibliographic record

VenueFrontiers in Physiology · 2018
Typearticle
Languageen
FieldMedicine
TopicCardiac Ischemia and Reperfusion
Canadian institutionsUniversity of Guelph
FundersNatural Sciences and Engineering Research Council of CanadaMitacsCanada Foundation for Innovation
KeywordsIschemic preconditioningStress (linguistics)MedicineCardiologyIschemia

Abstract

fetched live from OpenAlex

Purpose: To identify the combined effect of increasing tissue level oxygen consumption and metabolite accumulation on the ergogenic efficacy of IPC during both maximal aerobic and maximal anaerobic exercise. Methods: Twelve healthy males (22±2 years, 179±2 cm, 80±10 kg, 47.7±4 ml.kg-1.min-1) underwent four experimental conditions: i) no IPC control, ii) traditional IPC, iii) IPC with EMS and iv) IPC with treadmill walking. IPC involved bilateral leg occlusion at 220mmHg for five minutes, repeated three times, separated by 5 minutes of reperfusion. Within 10 minutes following the IPC procedures, a 30s Wingate test and subsequent (after 25-minute rest) incremental maximal aerobic test were performed on a cycle ergometer. Results: There was no statistical difference in anaerobic peak power between the no IPC control (1211±290W), traditional IPC (1209±300W), IPC + EMS (1206±311W), and IPC + Walk (1220±288W; P=0.7); nor did VO2max change between no IPC control (47.7±2ml.kg-1.min-1), traditional IPC (48.4±6 ml.kg-1.min-1), IPC + EMS (49.1±4 ml.kg-1.min-1) and IPC + Walk (48.0±6 ml.kg-1.min-1; P=0.3). However, the maximal watts during the VO2max increased when IPC was combined with both EMS (304±38W) and walking (308±40W) compared to traditional IPC (296±39W) and no IPC control (293±48W; P=0.02). Conclusion: This study shows that in a group of participants for whom a traditional IPC stimulus was not effective, the magnification of the IPC stress through muscle contractions while under occlusion led to a subsequent exercise performance response. These findings support that amplification of the ischemic preconditioning stimulus augments the effect for exercise performance.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.025
Threshold uncertainty score0.463

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.007
GPT teacher head0.252
Teacher spread0.245 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations14
Published2018
Admission routes2
Has abstractyes

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