Fitness Lessons Fitness 2

Question 1

What is the recommended minimum weekly cardio duration for substantial health benefits according to US guidelines?

Accepted Answer

75 minutes of vigorous activity

Answer

US guidelines recommend 75 minutes of vigorous-intensity or 150 minutes of moderate-intensity cardio per week for substantial health benefits.

Question 2

Which muscle group is primarily targeted by the Romanian deadlift?

Accepted Answer

Hamstrings and glutes

Answer

The Romanian deadlift primarily targets the hamstrings and glutes through a hip-hinge movement pattern with minimal knee bend.

Question 3

What does RPE stand for in exercise science?

Accepted Answer

Rate of Perceived Exertion

Answer

RPE stands for Rate of Perceived Exertion, a subjective scale used to measure exercise intensity based on how hard you feel you are working.

Question 4

Which training method alternates between upper and lower body exercises with minimal rest?

Accepted Answer

Peripheral heart action training

Answer

Peripheral heart action (PHA) training alternates between upper and lower body exercises to keep blood circulating throughout the body and maintain cardiovascular demand.

Question 5

What is the primary energy system used during a 400-meter sprint?

Accepted Answer

Glycolytic (lactic acid) system

Answer

A 400-meter sprint lasting roughly 45-90 seconds relies primarily on the glycolytic (lactic acid) system for energy production.

Fitness Lessons Practice Test

Fitness Lessons Practice Test

Fitness Lessons Fitness 2