LATEST NSCA CERTIFIED STRENGTH AND
CONDITIONING SPECIALIST (CSCS)
CERTIFICATION EXAM | Q&A WITH
RATIONALES
1. Which of the following is the primary function of the
adenosine triphosphate-phosphocreatine (ATP-PC)
energy system?
A) Provide energy for sustained aerobic activity (over
3 minutes)
B) Provide immediate energy for high-intensity, short-
duration activities (0-10 seconds)
C) Provide energy for moderate-intensity activities
(30 seconds to 3 minutes)
D) Provide energy for ultra-endurance activities (over
1 hour)
Correct answer: B
Rationale: ATP-PC system provides rapid energy via
phosphocreatine breakdown; dominant in efforts
lasting up to 10 seconds (sprinting, heavy 1RM).
2. Which muscle fiber type has the highest oxidative
capacity (aerobic endurance)?
,A) Type I (slow-twitch, oxidative)
B) Type IIa (fast-twitch, oxidative-glycolytic)
C) Type IIx (fast-twitch, glycolytic)
D) Type IIb (fast-twitch, glycolytic)
Correct answer: A
Rationale: Type I fibers are fatigue-resistant, high
oxidative capacity, used in endurance activities.
3. Which of the following is an example of a closed
kinetic chain (CKC) exercise?
A) Seated leg extension
B) Barbell back squat (feet planted)
C) Lat pulldown
D) Seated hamstring curl
Correct answer: B
Rationale: CKC exercises have distal segment fixed
(feet on floor); squat, deadlift, push-up are CKC.
4. Which of the following is an example of an open
kinetic chain (OKC) exercise?
A) Barbell squat
B) Leg extension machine (foot free moving)
,C) Deadlift
D) Pull-up (hands fixed)
Correct answer: B
Rationale: OKC exercises have distal segment free to
move (leg extension, bicep curl, bench press with
free bar).
5. The principle of "specificity" in training (SAID
principle) states that:
A) Any training program will produce general fitness
B) The body adapts specifically to the type and
nature of the training demand
C) Only high-intensity training produces results
D) Overtraining is always beneficial
Correct answer: B
Rationale: SAID principle: Specific Adaptation to
Imposed Demands – training adaptations are specific
to the mode, intensity, and volume of training.
6. Which of the following is the correct method for
calculating a 1RM (one-repetition maximum) from a
submaximal test using the Brzycki formula?
A) Weight lifted ÷ (1.0278 - (0.0278 × reps))
, B) Weight lifted × (1 + (reps ÷ 30))
C) Weight lifted × (1 + (reps ÷ 40))
D) Weight lifted × reps
Correct answer: A
Rationale: Brzycki formula: 1RM = weight ÷ (1.0278 -
(0.0278 × reps)); accurate for 1-10 reps.
7. Which muscle fiber type is most likely to
hypertrophy (increase in size) with resistance
training?
A) Type I (slow-twitch)
B) Type IIa (fast-twitch oxidative-glycolytic)
C) Type IIx (fast-twitch glycolytic)
D) Both Type IIa and Type IIx (fast-twitch fibers have
greater hypertrophy potential)
Correct answer: D
Rationale: Fast-twitch fibers (Type II) have greater
cross-sectional area and more satellite cells, leading
to greater hypertrophy.
8. Which of the following is the correct rest interval
for maximal strength training (85-100% 1RM)?
A) 20-30 seconds
CONDITIONING SPECIALIST (CSCS)
CERTIFICATION EXAM | Q&A WITH
RATIONALES
1. Which of the following is the primary function of the
adenosine triphosphate-phosphocreatine (ATP-PC)
energy system?
A) Provide energy for sustained aerobic activity (over
3 minutes)
B) Provide immediate energy for high-intensity, short-
duration activities (0-10 seconds)
C) Provide energy for moderate-intensity activities
(30 seconds to 3 minutes)
D) Provide energy for ultra-endurance activities (over
1 hour)
Correct answer: B
Rationale: ATP-PC system provides rapid energy via
phosphocreatine breakdown; dominant in efforts
lasting up to 10 seconds (sprinting, heavy 1RM).
2. Which muscle fiber type has the highest oxidative
capacity (aerobic endurance)?
,A) Type I (slow-twitch, oxidative)
B) Type IIa (fast-twitch, oxidative-glycolytic)
C) Type IIx (fast-twitch, glycolytic)
D) Type IIb (fast-twitch, glycolytic)
Correct answer: A
Rationale: Type I fibers are fatigue-resistant, high
oxidative capacity, used in endurance activities.
3. Which of the following is an example of a closed
kinetic chain (CKC) exercise?
A) Seated leg extension
B) Barbell back squat (feet planted)
C) Lat pulldown
D) Seated hamstring curl
Correct answer: B
Rationale: CKC exercises have distal segment fixed
(feet on floor); squat, deadlift, push-up are CKC.
4. Which of the following is an example of an open
kinetic chain (OKC) exercise?
A) Barbell squat
B) Leg extension machine (foot free moving)
,C) Deadlift
D) Pull-up (hands fixed)
Correct answer: B
Rationale: OKC exercises have distal segment free to
move (leg extension, bicep curl, bench press with
free bar).
5. The principle of "specificity" in training (SAID
principle) states that:
A) Any training program will produce general fitness
B) The body adapts specifically to the type and
nature of the training demand
C) Only high-intensity training produces results
D) Overtraining is always beneficial
Correct answer: B
Rationale: SAID principle: Specific Adaptation to
Imposed Demands – training adaptations are specific
to the mode, intensity, and volume of training.
6. Which of the following is the correct method for
calculating a 1RM (one-repetition maximum) from a
submaximal test using the Brzycki formula?
A) Weight lifted ÷ (1.0278 - (0.0278 × reps))
, B) Weight lifted × (1 + (reps ÷ 30))
C) Weight lifted × (1 + (reps ÷ 40))
D) Weight lifted × reps
Correct answer: A
Rationale: Brzycki formula: 1RM = weight ÷ (1.0278 -
(0.0278 × reps)); accurate for 1-10 reps.
7. Which muscle fiber type is most likely to
hypertrophy (increase in size) with resistance
training?
A) Type I (slow-twitch)
B) Type IIa (fast-twitch oxidative-glycolytic)
C) Type IIx (fast-twitch glycolytic)
D) Both Type IIa and Type IIx (fast-twitch fibers have
greater hypertrophy potential)
Correct answer: D
Rationale: Fast-twitch fibers (Type II) have greater
cross-sectional area and more satellite cells, leading
to greater hypertrophy.
8. Which of the following is the correct rest interval
for maximal strength training (85-100% 1RM)?
A) 20-30 seconds
