Study guides, Class notes & Summaries

acceleration - Answer the change in velocity per unit time agonist - Answer also called the prime mover. The muscle most directly involved in bringing about a movement anatomical position - Answer the body is erect, the arms are down at the sides, and the palms face forward angle of pennation - Answer angle between the muscle fibers and an imaginary line between the muscle's origin and insertion; 0° corresponds to no pennation angular displacement - Answer the angle throu...

Why do sedentary ,healthy adults require dietary proteins/amino acids to maintain good health? a. to maintain cellular structure and function b. to prevent diseases such as cancer c. to strengthen bones - Answer ANSWER: a. to maintain cellular structure and function EXPLANATION: Protein is the primary structural and functional component of every cell in the human body. Dietary proteins are used for growth and development and to build and repair cells; they serve as enzymes, trans...

Which of the following substances regulates muscle actions? potassium calcium troponin tropomyosin - Answer calcium Which of the following substances acts at the NMJ to excite the muscle fibers of a motor unit? acetylcholine ATP creatine phosphate serotonin - Answer acetylcholine When throwing a baseball, an athlete's arm is rapidly stretched just before throwing the ball. Which of the following structures detects and responds to that stretch by reflexively increasing musc...

All of the following are considered one of the five food groups EXCEPT? a) Milk b) Beans c) Oils d) Fruit - Answer c) Oils [They should be included in all diets as they provide essential fatty acids and Vitamin E] Expressed as percent of daily caloric intake, a common protein intake recommendation would be a) 10% - 15% b) 45% - 65% c) 20% - 35% d) 3% - 5% - Answer a) 10% - 15% [This is a "common" recommendation, not necessarily enough for athletes during training] Which...

During the concentric phase of the low bar back squat, which of the following muscles acts as an antagonist to the gluteus maximus? a. quadriceps b. hamstrings c. psoas major - Answer c Which of the following muscle groups and types of muscle actions are associated with the downward phase of the dumbbell biceps curl? a. Primary group- elbow extensors, Primary action- eccentric b. Primary group- elbow flexors, Primary action- eccentric c. elbow flexors- concentric - Answer b Which...

To what structures do the cross-bridges attach during muscle action? - Answer Actin Which substance regulates muscle actions? - Answer Calcium Which substance acts at the neuromuscular junction to excite the muscle fibers of a motor unit? - Answer Acetylcholine Which muscle fiber type is the MOST beneficial for a marathon runner? - Answer Type I When throwing a baseball, an athlete's arm is rapidly stretched just prior to throwing the ball. Which of the following structures ...

Which of the following substances regulates muscle actions? a. Potassium b. Calcium c. Troponin d. Tropomyosin - Answer b. Calcium Which of the following substances acts at the neuromuscular junction to excite the muscle fibers of a motor unit? a. Acetylcholine (ACH) b. ATP c. Creatine Phosphate d. Serotonin - Answer a. Acetylcholine (ACH) When throwing a baseball, an athlete's arm is rapidly stretched just before throwing the ball. Which of the following structures detect...

NSCA CSCS Exam Review Questions and Answers 2024

NSCA CSCS Exam Review Questions and Answers 2024

NSCA CSCS Exam Review Questions and Answers 2024