The acute effects of exercise on cortical excitation and psychosocial outcomes in men treated for prostate cancer: A randomized controlled trial - Abstract

PURPOSE: Regular exercise improves psychological well-being in men treated for prostate cancer (PCa).

For this population and among cancer survivors in general, the effect of a single bout of exercise on self-report or objective measures of psychological well-being has not been examined. We examined the acute effect of a single bout of exercise on the cortical silent period (CSP) and on self-reported mood in men that have received treatment for PCa.

METHODS: Thirty-six PCa survivors were randomly assigned to 60 min of low to moderate intensity exercise or to a control condition. Outcomes were assessed immediately before and after either the exercise or the control condition.

RESULTS: No significant between-group differences were observed in CSP or mood were observed following the exercise session or control conditions. Participants with higher scores of trait anxiety had significantly shorter CSP at baseline, as well as those receiving androgen deprivation therapy. Age and baseline CSP had a low-moderate, but significant negative correlation. Changes in CSP following the exercise condition were strongly negatively correlated with changes in self-reported vigor.

CONCLUSION: While we did not observe any acute effect of exercise on the CSP in this population, the associations between CSP and trait anxiety, age, and vigor are novel findings requiring further examination.

IMPLICATIONS FOR CANCER SURVIVORS: Exercise did not acutely affect our participants in measures of psychological well-being. Additional mechanisms to explain the chronic psychosocial benefits of exercise previously observed in men with PCa require further exploration.

Written by:
Santa Mina D, Guglietti CL, de Jesus DR, Azargive S, Matthew AG, Alibhai SM, Trachtenberg J, Daskalakis JZ, Ritvo P.   Are you the author?
Kinesiology Program, University of Guelph-Humber Toronto, ON, Canada; Prostate Centre - Princess Margaret Cancer Centre Toronto, ON, Canada; School of Kinesiology and Health Science, York University Toronto, ON, Canada; Centre for Addiction and Mental Health Toronto, ON, Canada; University of Toronto Toronto, ON, Canada; Prostate Centre - Princess Margaret Cancer Centre Toronto, ON, Canada; University Health Network Toronto, ON, Canada; Cancer Care Ontario Toronto, ON, Canada.

Reference: Front Aging Neurosci. 2014 Nov 26;6:332.
doi: 10.3389/fnagi.2014.00332


PubMed Abstract
PMID: 25505413

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