MedPath

The Effect of Breakfast Size Prior to Morning Exercise on Cognition, Mood and Appetite in Habitually Active Women

Not Applicable
Completed
Conditions
Alteration of Cognitive Function
Interventions
Dietary Supplement: No breakfast
Dietary Supplement: Cereal
Registration Number
NCT01711008
Lead Sponsor
Northumbria University
Brief Summary

Both regular exercise and breakfast consumption have well known health benefits. Consuming breakfast prior to morning exercise may influence appetite, mood and cognitive function later in the day. The purpose of this study is to test whether the amount of food consumed at breakfast prior to exercise influences these parameters in active women.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Female
Target Recruitment
24
Inclusion Criteria
  • Must be habitually active (exercising for least 30 minutes, 3 times per week for at least the previous 6 months)
  • Must have a normal exercise routine includes a minimum of 1 morning exercise session (which takes place between 6am-11am) each week
  • Must run on a regular basis (at least once per week) and be able to run at a moderate pace for 30 minutes non-stop on a treadmill
  • Must consume breakfast on most days of the week, usually consume breakfast before undertaking a morning exercise session and be comfortable consuming a bowl of cereal 45mins before running
Exclusion Criteria
  • English not first language
  • Smoking
  • Previous or current eating disorders, metabolic disorders, gastric problems or any contraindications of exercise.
  • Pregnancy
  • The habitual use of some prescription or over the counter medications (excluding contraception) or herbal/dietary supplements (please ask the researcher)
  • A history of or current learning difficulties, ADHD or dyslexia
  • Daily use of an inhaler to control asthma
  • Allergies or intolerances to any of the foods provided in the study (Special K cereal, semi-skimmed milk, pasta, tomato sauce, cheese, olive oil, rice, custard)

Study & Design

Study Type
INTERVENTIONAL
Study Design
CROSSOVER
Arm && Interventions
GroupInterventionDescription
No BreakfastNo breakfastWater only
20g CerealCereal20g Kelloggs Special K cereal with 83ml semi-skimmed milk
40g CerealCereal40g Kelloggs Special K cereal with 166ml semi-skimmed milk
Primary Outcome Measures
NameTimeMethod
Cognitive function change from baseline scoresAssessed hourly until 4.5 hours and at 6.5 and 10.5 hours

Participants will complete 4 cognitive tasks (Four Choice Reaction Time, NBack, Stroop and RVIP) measuring reaction time, short-term memory, speed of processing and attention.

Secondary Outcome Measures
NameTimeMethod
Mood change from baseline scoresAssessed hourly until 4.5 hours and at 6.5 and 10.5 hours

Mood will be assessed using Visual Analogue Scales (VAS) immediately before and after each set of cognitive tasks.

Trial Locations

Locations (1)

Brain, Performance and Nutrition Research Centre, Northumbria Univerity

🇬🇧

Newcastle upon Tyne, Tyne and Wear, United Kingdom

© Copyright 2025. All Rights Reserved by MedPath