2018.05.11 CSCS Daily Study Question:

The rectus femoris is one of the major involved muscles of the low-bar back squat exercise. As an athlete performs the concentric phase of the exercise, what occurs to the sarcoplasmic concentration of calcium within the muscle fibers of the rectus femoris?
(A) Calcium concentration decreases
(B) Calcium concentration increases
(C) No change in calcium concentration

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Correct Answer:
(B) Calcium concentration increases

Explanation:
“Concentric” muscle action means that the muscle is contracting. During muscle contraction, the sarcoplasmic reticulum releases calcium into the sarcoplasm to facilitate the sliding filament process / theory of muscle contraction.

Reference:
Essentials of Strength Training & Conditioning 3rd Edition p. 7

These CSCS exam practice questions were created to help users study for the Certified Strength and Conditioning Specialist certification exam from the National Strength and Conditioning Association (NSCA). Using CSCS exam practice questions is an efficient way to study the most relevant material for the Certified Strength and Conditioning Specialist exam. CSCS exam practice questions and our CSCS study guide can help you to remember important concepts and test your knowledge of the material in a no-pressure environment. The Certified Strength and Conditioning Specialist designates that a fitness professional has the scientific and practical knowledge necessary to assist athletes to improve their physical performance.

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The Certified Strength and Conditioning Specialist (CSCS) exam by the National Strength and Conditioning Association (NSCA) is a four-hour-long, pencil and paper or computer-based examination. The Certified Strength and Conditioning Specialist exam has two sections: “Scientific Foundations” and “Practical / Applied.” Each of these sections consist of questions that the National Strength and Conditioning Association (NSCA) feels are relevant to test the knowledge and experience of a candidate for the Certified Strength and Conditioning Specialist (CSCS) professional credential. Certified strength conditioning specialist comprehensive questions from the Scientific Foundations section include anatomy, exercise physiology, biomechanics, and nutrition. certified strength conditioning specialist comprehensive questions from the Practical / Applied section include program design, exercise techniques, testing and evaluation, and organization / administration (NSCA, 2015).

2018.05.11 CSCS Daily Study Question

Links:
National Strength & Conditioning Association