Carbohydrate is the main source of fuel for the athlete (main energy substrate) 

Fat is the main source of fuel for the athlete (main energy substrate) 

Fats and carbohydrates are equally contributing fuel sources for the athlete (main energy substrate) 

Proteins and carbohydrates are equally contributing fuel sources for the athlete (main energy substrate) 

Protein is the main source of fuel for the athlete (main energy substrate) 

ml/kg/min

mmol/kg/min

None of the answers are correct

m/km/min

mm/kg/s

Blood lactate is > 8 mmol/L

RER is >1.15

There is a plateau in oxygen uptake

none of the above

Heart rate is within 10 beats of age predicted HR max

The mathematical relationship to VO₂ during continuous exercise

None of the answers are correct.

The mathematical relationship to heart rate during continuous exercise

The mathematical relationship to blood lactate during continuous exercise

The mathematical relationship to stride rate during continuous exercise

Sprint ability

Anaerobic capacity

Leg speed (cadence)

Strength

Endurance capacity

It is important that the participant's work-rate is decreased to an equal amount at each stage

It is important that the participant's work-rate  is increased to an equal amount at each stage

None of the answers are correct

It is important that the participant's work-rate judged from their heart rate at each stage

It is important that the participant's work-rate is never increased across all stages

Males compared to females because of their ability to accelerate faster

Males compared to females because of their greater stature

Females compared to males because of their greater fat mass

Males compared to females because of their greater relative muscle mass

Females compared to males because of their greater relative muscle mass

Neutral, linear

Positive, linear

None of the answers are correct

Exponential

Negative, linear