Q 01/05

What is the recommended minimum duration for moderate-intensity aerobic activity per week for adults?

A) 30 minutes

B) 75 minutes

C) 150 minutes

D) 300 minutes

Answer · why

C) 150 minutes

150 minutes a week is the floor in US and WHO guidance, and since 2018 the US guidelines no longer ask for bouts of ten minutes or more: every minute ...

Q 02/05

Which kind of training is built to add muscle mass and strength?

A) Aerobic endurance

B) Flexibility training

C) Resistance training

D) Interval training

Answer · why

C) Resistance training

Resistance training works against weights, bands or body weight; a beginner's first gains come from the nervous system learning to recruit more muscle...

Q 03/05

What does the acronym HIIT stand for in the context of exercise?

A) Heavy Intensity Interval Training

B) High-Impact Integrated Training

C) Health Improvement Interval Techniques

D) High-Intensity Interval Training

Answer · why

D) High-Intensity Interval Training

High-Intensity Interval Training can be very brief: in Izumi Tabata's 1996 study, four-minute sessions of 20-second sprints and 10-second rests raised...

Q 04/05

Which body chemicals were long credited with causing the euphoric 'runner's high'?

A) Endorphins

B) Adrenaline

C) Serotonin

D) Melatonin

Answer · why

A) Endorphins

Endorphins got the credit for decades, but they cannot cross from the blood into the brain; studies now point to endocannabinoids, the body's own cann...

Q 05/05

Which of the body's energy pathways powers very short, explosive efforts such as a 100-meter sprint?

A) Phosphagen system

B) Glycolytic system

C) Oxidative system

D) Lipolytic system

Answer · why

A) Phosphagen system

The phosphagen system runs on ATP and creatine phosphate stored in the muscle and is largely exhausted after roughly 10 seconds of all-out effort, whi...