Essentials of Strength Training and Conditioning Study
Questions with Verified A+ Answers
What substance regulates muscle actions? - Answer Calcium
What substance acts at the neuromuscular junction to excite the muscle fibers of a motor unit? - Answer
Acteylcholine
When throwing a baseball, an athlete's arm is rapidly stretched just before throwing the ball. What
structure detects and responds to that stretch by reflexively increasing muscle activity? - Answer Muscle
Spindle
Where is the heart's electrical impulse normally initiated from? - Answer Sinoatrial (SA) Node
What happens during the QRS complex of a typical ECG? - Answer I. Repolarizing of the Atria
II. Depolarizing of the Ventricles
What is the definition of power? - Answer (force) x (velocity)
To compare performacnes of Olympic weightligters of different bodyweights, the classic formula divides
the load lifted by the athlete's _______________. - Answer Body weight to the 2/3 power
During a free weight exercise, muscle force varies with: - Answer -perpendicular distance from the
weight to the body joint
-joint angle
A vertical jump involves knee, hip and shoulder movement in which anatomical planes? - Answer Sagittal
Plane
An athlete is performing a concentric isokinetic elbow flexion and extension exercise. Which types of
levers occurs at the elbow? - Answer -First Class
-Third Class
, What energy substrate can be metabolized anaerobically? - Answer Glucose
What reaction is the primary cause of metabolic acidosis (the decrease in intramuscular pH during high-
intensity fatiguing exercise)? - Answer ATP -> ADP+P(i)+H(+)
What energy system produces ATP at the quickest rate? - Answer Phosphagen
Approximately how many net ATP are produced via the oxidative energy system from the metabolism of
one glucose molecule? - Answer 38
What energy substrate cannot be depleted during extreme exercise intensities or durations? - Answer
ATP
After a bout of resistance training, acute hormonal secretions provide all of the following information to
the body EXCEPT: - Answer Energy expended
What hormones enhance(s) muscle tissue growth? - Answer -Growth Hormone
-Insulin Growth Factor(IGF) I
What is NOT a function of growth hormone? - Answer Decrease collagen synthesis
What hormone has the greatest influence on neural changes? - Answer Testosterone
What types of resistance training workout promotes the highest growth hormone increases following
the exercise session? - Answer -Low rest: 30sec
-Volume: High
-Sets: 3
Following resistance training, augmented neural drive to the working musculature is the result of: -
Answer -Increased agonist muscle recruitment
Questions with Verified A+ Answers
What substance regulates muscle actions? - Answer Calcium
What substance acts at the neuromuscular junction to excite the muscle fibers of a motor unit? - Answer
Acteylcholine
When throwing a baseball, an athlete's arm is rapidly stretched just before throwing the ball. What
structure detects and responds to that stretch by reflexively increasing muscle activity? - Answer Muscle
Spindle
Where is the heart's electrical impulse normally initiated from? - Answer Sinoatrial (SA) Node
What happens during the QRS complex of a typical ECG? - Answer I. Repolarizing of the Atria
II. Depolarizing of the Ventricles
What is the definition of power? - Answer (force) x (velocity)
To compare performacnes of Olympic weightligters of different bodyweights, the classic formula divides
the load lifted by the athlete's _______________. - Answer Body weight to the 2/3 power
During a free weight exercise, muscle force varies with: - Answer -perpendicular distance from the
weight to the body joint
-joint angle
A vertical jump involves knee, hip and shoulder movement in which anatomical planes? - Answer Sagittal
Plane
An athlete is performing a concentric isokinetic elbow flexion and extension exercise. Which types of
levers occurs at the elbow? - Answer -First Class
-Third Class
, What energy substrate can be metabolized anaerobically? - Answer Glucose
What reaction is the primary cause of metabolic acidosis (the decrease in intramuscular pH during high-
intensity fatiguing exercise)? - Answer ATP -> ADP+P(i)+H(+)
What energy system produces ATP at the quickest rate? - Answer Phosphagen
Approximately how many net ATP are produced via the oxidative energy system from the metabolism of
one glucose molecule? - Answer 38
What energy substrate cannot be depleted during extreme exercise intensities or durations? - Answer
ATP
After a bout of resistance training, acute hormonal secretions provide all of the following information to
the body EXCEPT: - Answer Energy expended
What hormones enhance(s) muscle tissue growth? - Answer -Growth Hormone
-Insulin Growth Factor(IGF) I
What is NOT a function of growth hormone? - Answer Decrease collagen synthesis
What hormone has the greatest influence on neural changes? - Answer Testosterone
What types of resistance training workout promotes the highest growth hormone increases following
the exercise session? - Answer -Low rest: 30sec
-Volume: High
-Sets: 3
Following resistance training, augmented neural drive to the working musculature is the result of: -
Answer -Increased agonist muscle recruitment
