Mixed Deck — All NAFC Topics Flashcards

Which method of body composition assessment uses electrical current to estimate fat mass?

Answer: Bioelectrical impedance analysis (BIA)

Bioelectrical impedance analysis (BIA) sends a low-level electrical current through the body to estimate fat and lean mass.

What is the function of antioxidants in the body?

Answer: Neutralize free radicals that cause cellular damage

Antioxidants neutralize free radicals, which are unstable molecules that can damage cells and contribute to disease.

What is a fitness assessment baseline used for?

Answer: Establishing starting values to measure progress over time

Baseline fitness assessments establish initial values that serve as reference points to evaluate a client's progress throughout training.

When working with a client who has hypertension, which exercise type should be approached with caution?

Answer: Intense isometric exercises that cause Valsalva maneuver

Heavy isometric exercise and the Valsalva maneuver can cause dangerous spikes in blood pressure in hypertensive clients.

What does a goniometer measure?

Answer: Joint range of motion

A goniometer is a tool used to measure the angle and range of motion at a joint.

What is the Borg Rating of Perceived Exertion (RPE) scale range?

Answer: 6–20

The original Borg RPE scale ranges from 6 to 20, designed so that multiplying the number by 10 approximates heart rate; a modified 0–10 scale also exists.

Which rep range is typically associated with developing muscular endurance?

Answer: 15+ repetitions with light load

High repetition ranges (15+) with lighter loads are generally used to target muscular endurance adaptations.

Which behavioral strategy involves having a client record daily food intake and exercise sessions to increase awareness and accountability?

Answer: Self-monitoring

Self-monitoring involves systematically tracking one's behaviors, such as keeping an exercise log or food diary, to increase self-awareness and support behavior change.

What is the purpose of a warm-up before exercise?

Answer: Increase core temperature and prepare the body for activity

A warm-up gradually increases heart rate, core temperature, and blood flow to muscles to reduce injury risk and prepare the body.

Which goal-setting approach is most likely to sustain exercise motivation by providing both daily direction and long-term vision?

Answer: Combining process goals with outcome goals

Combining process goals (e.g., exercising three times per week) with outcome goals (e.g., reducing body fat) provides both daily behavioral direction and a meaningful long-term target, optimizing motivation.

In the context of behavior change theory, 'decisional balance' refers to the process of weighing which of the following?

Answer: The perceived pros and cons of changing a behavior

Decisional balance involves systematically comparing the perceived benefits (pros) and costs (cons) of adopting a new behavior, which helps shift the motivational calculus toward change.

What is a superset in resistance training?

Answer: Two exercises performed back-to-back with minimal rest

A superset involves performing two exercises consecutively with little to no rest between them.

Which of the following is a symptom requiring immediate exercise cessation and emergency medical attention?

Answer: Chest pain, severe dizziness, or sudden severe headache

Chest pain, severe dizziness, or sudden severe headache during exercise are warning signs of potentially life-threatening cardiovascular events requiring immediate cessation of activity and emergency care.

What is 'motivational interviewing' in the context of personal training?

Answer: A client-centered communication approach that helps clients explore and resolve ambivalence about behavior change

Motivational interviewing is a collaborative, client-centered approach that helps individuals explore their ambivalence about change and strengthen their intrinsic motivation to achieve health goals.

Which muscle group is primarily engaged during a pull-up exercise?

Answer: Latissimus dorsi

The latissimus dorsi muscle group is primarily engaged during a pull-up exercise. This large muscle of the back is responsible for adduction, extension, and internal rotation of the shoulder joint. During a pull-up, it works powerfully to pull the body upwards towards the bar.

What does BMI stand for?

Answer: Body Mass Index

BMI stands for Body Mass Index, a measure of body weight relative to height.

What is the appropriate response when a client discloses symptoms that may indicate a medical condition (e.g., chest pain, unexplained fatigue)?

Answer: Refer the client to a physician before continuing exercise

When a client reports symptoms that may indicate an underlying medical condition, the trainer should immediately refer them to a qualified healthcare provider before continuing exercise.

For youth clients (ages 8–18), which type of resistance training is considered safe when properly supervised?

Answer: Progressive resistance training with proper technique and age-appropriate loads

Supervised resistance training with proper form and age-appropriate loads is safe and beneficial for youth, improving strength, bone density, and body composition without increased injury risk.

What should a fitness trainer do if a client reports chest pain during exercise?

Answer: Stop exercise immediately and seek emergency medical assistance

Chest pain during exercise is a potential cardiac emergency; training must stop immediately and emergency services should be contacted.

What is a common cardiovascular exercise modification for clients with knee osteoarthritis?

Answer: Low-impact activities such as swimming or cycling that reduce joint stress

Low-impact activities like swimming and cycling provide cardiovascular benefits without the joint stress of weight-bearing impact exercise.