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J Rehabil Med. 2014 Nov;46(10):1050-4. doi: 10.2340/16501977-1905.

Effect of interval training on cognitive functioning and cerebral oxygenation in obese patients: a pilot study.

Author information

1
, Cardiovascular Prevention and Rehabilitation Centre (ÉPIC), Montreal Heart Institute , Montreal, Canada.

Abstract

OBJECTIVE:

To assess the effect of a 4-month high-intensity interval training programme on cognitive functioning, cerebral oxygenation, central haemodynamic and cardiometabolic parameters and aerobic capacity in obese patients.

METHODS:

Cognitive functioning, cerebral oxygenation, central haemodynamic, cardiometabolic and exercise para-meters were measured before and after a 4-month high-intensity interval training programme in 6 obese patients (mean age 49 years (standard deviation 8), fat mass percentage 31 ± 7%).

RESULTS:

Body composition (body mass, total and trunk fat mass, waist circumference) and fasting insulin were improved after the programme (p < 0.05). V. O2 and power output at ventilatory threshold and peak power output were improved after the programme (p < 0.05). Cognitive functioning, including short-term and verbal memory, attention and processing speed, was significantly improved after training (p < 0.05). Cerebral oxygen extraction was also improved after training (p < 0.05).

CONCLUSION:

These preliminary results indicate that a 4-month high-intensity interval training programme in obese patients improved both cognitive functioning and cere-bral oxygen extraction, in association with improved exercise capacity and body composition.

PMID:
25297458
DOI:
10.2340/16501977-1905
[Indexed for MEDLINE]
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