An intense, but ecologically valid, resistance exercise session does not alter growth factors associated with cognitive health

Kieran J. Marston, Belinda M. Brown, Stephanie R. Rainey-Smith, Sabine Bird, Linda K. Wijaya, Shaun Y.M. Teo, Ralph N. Martins, Jeremiah J. Peiffer

Research output: Contribution to journalArticlepeer-review

4 Citations (Web of Science)

Abstract

The purpose of this investigation was to assess the acute changes in growth factors associated with cognitive health following two ecologically valid, intense resistance exercise sessions. Twenty-nine late-middle-aged adults performed one session of either (a) moderate-load resistance exercise or (b) high-load resistance exercise. Venous blood was collected prior to warm-up, immediately following exercise and 30 min following exercise. Serum was analyzed for brain-derived neurotrophic factor, insulin-like growth factor 1, and vascular endothelial growth factor. Session intensity was determined by blood lactate concentration and session rating of perceived exertion. Postexercise blood lactate was greater following moderate-load when compared with high-load resistance exercise. Subjective session intensity was rated higher by the session rating of perceived exertion following moderate-load when compared with high-load resistance exercise. No differences were observed in serum growth factor levels between groups. Ecologically valid and intense moderate-load or high-load exercise methods do not alter serum growth factor levels in late-middle-aged adults.

Original languageEnglish
Pages (from-to)605-612
Number of pages8
JournalJournal of Aging and Physical Activity
Volume28
Issue number4
DOIs
Publication statusPublished - Aug 2020
Externally publishedYes

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