The purpose of this study is to assess the effect of eating breakfast in combination with exercise on fat usage, appetite and brain performance later in the day.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
12
1859 kJ breakfast vs fast, exercise at 60% maximum aerobic capacity to expend 1859 kJ.
Brain, Performance and Nutrition Centre, Northumbria University
Newcastle upon Tyne, Tyne and Wear, United Kingdom
Energy balance
Energy balance (kJ/kcal) will be assessed by an ad libitum test meal provided at 5 h minus energy expenditure estimated by indirect calorimetry.
Time frame: 24 h
Blood glucose
Time frame: 1.5 h area under the curve, post-consumption of a liquid snack
Serum insulin
Time frame: 1.5 h area under the curve, post-consumption of a liquid snack
Subjective appetite ratings
Participants will be asked to complete visual analogue scales (VAS).
Time frame: 1.5 h area under the curve, post-consumption of a liquid snack and following an ad libitum test meal
Cognitive function measurements
Reaction time, short-term memory, speed of processing, attention.
Time frame: 1.5 h area under the curve, post-consumption of a liquid snack and following an ad libitum test meal
Mood
Participants will be asked to complete visual analogue scales (VAS).
Time frame: 1.5 h area under the curve, post-consumption of a liquid snack and following an ad libitum test meal
Energy expenditure
Measured by indirect calorimetry
Time frame: 1.5 h mean following a liquid snack
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