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Rationales 2025/2026 Q&A | Instant
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1. Which of the following is the primary energy system used during
a 10-second sprint?
A. Aerobic
B. ATP-PC (Phosphagen) System
C. Glycolytic
D. Oxidative
The ATP-PC system provides immediate energy for short-duration,
high-intensity activities lasting up to 10 seconds.
2. What is the recommended daily protein intake for a sedentary
adult?
A. 0.5 g/kg body weight
B. 0.8 g/kg body weight
C. 1.2 g/kg body weight
D. 1.6 g/kg body weight
The Recommended Dietary Allowance (RDA) for protein in
sedentary adults is 0.8 grams per kilogram of body weight.
3. Which of the following exercises primarily strengthens the
gluteus maximus?
A. Leg extension
B. Seated calf raise
C. Barbell squat
,D. Bicep curl
The barbell squat is a compound movement targeting the glutes,
quadriceps, and hamstrings.
4. Which plane of motion divides the body into front and back
halves?
A. Sagittal
B. Frontal
C. Transverse
D. Oblique
The frontal plane divides the body into anterior and posterior (front
and back) halves.
5. During the OPT Model’s stabilization phase, which type of
training is emphasized?
A. Maximal strength
B. Muscular endurance and stability
C. Power
D. Hypertrophy
The stabilization phase focuses on enhancing muscular endurance,
joint stability, and proper movement patterns.
6. Which of the following is a beta-adrenergic response to exercise?
A. Vasoconstriction of skeletal muscles
B. Increased heart rate
C. Increased digestive activity
D. Decreased blood flow to muscles
Beta-adrenergic receptors increase heart rate and contractility
during sympathetic activation.
, 7. The term "VO₂ max" refers to:
A. Maximum muscular strength
B. Maximum flexibility
C. Maximum oxygen consumption
D. Maximum heart rate
VO₂ max measures the body’s ability to deliver and utilize oxygen
during exercise.
8. Which muscle is considered a primary stabilizer of the scapula?
A. Pectoralis major
B. Latissimus dorsi
C. Serratus anterior
D. Deltoid
The serratus anterior stabilizes the scapula, preventing winging and
aiding in upward rotation.
9. A client performing a single-leg squat shows the knee caving
inward. Which muscle is likely underactive?
A. Adductor longus
B. Hamstrings
C. Gluteus medius
D. Gastrocnemius
Weak gluteus medius leads to knee valgus during single-leg
movements.
10. How many stages are in NASM’s OPT Model?
A. 2
B. 3
C. 4
D. 5