Ace Group Fitness Exercise Science Fundamentals Questions and Answers

Question 1

A group fitness instructor is leading a strength training class.
During the upward phase of a bicep curl, the biceps brachii muscle is shortening while contracting.
Which type of muscle action is being demonstrated?

Accepted Answer

Concentric

Answer

Isometric

Answer

Eccentric

Answer

Isokinetic

Question 2

Which of the following movements occurs primarily in the sagittal plane?

Accepted Answer

A forward lunge

Answer

A torso twist

Answer

A jumping jack

Answer

A side shuffle

Question 3

During a high-intensity interval training (HIIT) class, participants perform 30 seconds of all-out sprinting. Which energy system is predominantly used to fuel this short, explosive activity?

Accepted Answer

Phosphagen system

Answer

Oxidative system

Answer

Glycolytic system

Answer

Aerobic system

Question 4

A participant in a boot camp class is performing a plank. Their abdominal and core muscles are engaged to hold a stable position without any visible movement of the joints. What type of muscle contraction is primarily being utilized?

Accepted Answer

Isometric

Answer

Eccentric

Answer

Concentric

Answer

Isotonic

Question 5

During a cool-down stretch, a participant is performing a standing quadriceps stretch. As the quadriceps are being stretched, what is the role of the opposing muscle group, the hamstrings?

Accepted Answer

Antagonist

Answer

Agonist

Answer

Synergist

Answer

Fixator

Question 6

A group fitness instructor is guiding participants through a moderate-intensity cycling class. The instructor wants to gauge the participants' exertion level without using heart rate monitors. They encourage the participants to see if they can speak a few sentences comfortably. This method is known as the:

Accepted Answer

Talk Test

Answer

Rate of Perceived Exertion (RPE) Scale

Answer

Metabolic Equivalent (MET) Level

Answer

Borg Scale