CSCS Review Note 400Q Bank Flashcards
- Each muscle fiber is surrounded by a connective tissue called? π₯
a. Fasiciculi
b. Perimysium
c. Endomysium
d. Epimysium
c. Endomysium β
- Which off the following identifies the layer of connective tissue enveloping a bundle of muscle fibers? π₯
A. Endomysium
B. Perimysium
C. Epimysium
D. Endomysium
B. Perimysium β
- Which of the following structures of a sarcomere shrinks in the pectoralis major muscle during the concentric action of a bench press? π₯
A. A-band
B. M-line
C. H-zone
D. Z-line
C. H-zone β
- During a typical electrocardiogram, atrial depolarization is represented by?
a P-wave
b. QRS complex
c. T-wave
d. U-wave
a P-wave β
- Which of the following represents a muscle of expiration? π₯
a. Scalene
b. External Intercostal
c. Internal Intercostal
d. Anterior Serratus
c. Internal Intercostal β
- The amount of force produced by a muscle at any given time is directly related to which of the following.
A. The number of myosin cross bridge heads that are attached to actin filaments
B. The number of actin cross bridge heads that are attached to myosin filaments
C. The strength of the attachment between the myosin cross bridge heads and the actin filaments
D. The strength of the attachment between the actin cross bridge heads and the myosin filaments
A. The number of myosin cross bridge heads that are attached to actin filaments β
π‘ MPS = Hypertrophy = More Contractile Tissue
Muscle protein synthesis (MPS) is the metabolic process where incorporation of amino acids into bound skeletal muscle proteins. Muscle proteins can be crudely classified into
- Contractile myofibrillar proteins (i.e., myosin, actin, tropomyosin, troponin)
- Energy producing mitochondrial proteins.
- When a motor unit is stimulated, all of its innervated muscle fibers fully contract due to
A. the size principle.
B. the principle of selective recruitment.
C. the all-or-none law.
D. muscle tetanus.
C. the all-or-none law. β
- When punting a football, the punterβs leg is stretched just prior to making contact with the football. Which of the following structures detects and responds to that stretch by reflexively increasing muscle activity? π₯
A. Golgi tendon organ
B. Muscle spindle
C. Extrafusal muscle
D. Pacinian corpuscle
B. Muscle spindle β
- Which component of the electrical conduction system of the heart has the greatest discharge rate? π₯
A. SA Node
B. AV Node
C. AV Bundle
D. Purkinje Fibers
A. SA Node β
- During a session of intense aerobic exercise, what percentage of total body energy is required for pulmonary ventilation? π₯
A. 5%
B. 10%
C. 20%
D. 30%
B. 10% β
- A lever in which the muscle force and resistive force act on opposite sides of the fulcrum is referred to as?
a. First class
b. Second class
c. Third class
d. Fourth class
a. First class β
- A volleyball player is performing standing plantar flexion against resistance. Which of the following types of levers occurs at the ball of the foot during this exercise? π₯
a First class
b. Second class
c. Third class
d. Fourth class
b. Second class β
- Which of the following shoulder movements and planes of action are associated with a tennis backhand?
a. Adduction/frontal
b. Abduction/frontal
c. Adduction/transverse
d. Abduction/transverse
d. Abduction/transverse β
- Which of the following represents the equation for Power? π₯
a. Force Γ Distance
b. Work / Distance
c. Force Γ Time
d. Work / Time
d. Work / Time β
- How much work is required to lift a 100 kg barbell 2 m for 5 repetitions? π₯
Π°. 9,800 J
b. 1,000 J
c. 1,000 W
d. 9,800 W
- If it takes 30 seconds to lift a 100 kg barbell 2 m for 6 repetitions, what is the power output? π₯
a. 36,000 W
b. 392 W
c. 40 W
d. 36 W
- Which type of muscle arrangement is NOT matched with the correct muscle example?
a. Rectus femoris: Bipennate
b. Biceps Brachi: Longitudinal
c. Deltoid: Multipennate
d. Gluteus Medius: Radiate
b. Biceps Brachi: Longitudinal β
- How does the patella increase the mechanical advantage of the quadriceps muscle group? π₯
A. It increases the area in which the quadriceps tendon exerts force
B. It maintains the moment arm through which the quadriceps tendon exerts force
C. It increases the length of the quadriceps tendon
D. It provides another surface for the quadriceps tendon to exert force
B. It maintains the moment arm through which the quadriceps tendon exerts force β
- As the moment arm of the applied force lengthens, which of the following describes the resultant effect on mechanical advantage? π₯
A. It increases
B. It decreases
C. There is no change
D. There is not enough information
A. It increases β
- Which of the following lever classes has the fulcrum at one end and the effort is applied between the fulcrum and the load? π₯
A. Class I lever
B. Class II lever
C. Class III lever
D. Class IV lever
C. Class III lever β
- Which of the following represents the equation for work? π₯
A. Force X Distance
B. Force / Time
C Force X Time
D. Distance / Time
A. Force X Distance β
- When comparing the power produced by two athletes performing the back squat, the strength and conditioning professional should use which of the following formulae to calculate power? π₯
A. force X distance
B. Sets X rep X weight lifted
C. Work / time
D. acceleration / force
C. Work / time β
Power = Work / Time
Work = Force x Distance
Volume = Sets x Rep x Weight
- Using the International System of Units and dividing Joules (J) by Seconds (s), will give us what unit of measurement?
A. Newtons
B. Meters
C. Force
D. Watts
D. Watts β
- How much work is required to lift a 75 kg barbell, 1.75 m for 6 repetitions?
A. 82.75 J
B. 787.5 J
C. 4,410 J
D. 7,717.5 J
π‘ 75KG Weight x 9.8 x 1.75m x 6 reps
D. 7,717.5 J β
- It took an American football lineman 14 seconds to complete 10 repetitions of a 102 kg
bench press. If the bar had to travel 1.47 meters each repetition, what was the average power output during this set? π₯
A. 107.1 W
B. 1,049.58 W
C. 14,694.12 W
D. 20,991.6 W
π‘ ( 102 KG x 9.8 x 1.47 x 10 ) / 14 Secs
B. 1,049.58 W β
- How would the muscle fiber arrangements of the rectus abdominal muscle be classified?
A. Longitudinal
B. Fusiform
C. Bipennate
D. Unipennate
A. Longitudinal β
- A muscle has the greatest capability to generate force when it is at which of the following states of length?
A. Stretched
B. Shortened
C. Contracted
D. Resting
D. Resting β
- At resting length: actin and myosin filaments lie next to each other; maximal number of potential cross-bridge sites are available; the muscle can generate the greatest force.
- Muscle force capability is greatest when the muscle is at its resting length because of increased opportunity for actin-myosin cross-bridges.
- Which of the following pathways/systems has the highest capacity for energy production? π₯
a. Phosphagen
b. Slow glycolysis
c. Oxidation of carbohydrates
d. Oxidation of fats and proteins
d. Oxidation of fats and proteins β
- A male athlete fatigues during the running of a marathon and must pull out of the race, which is the most probable factor that limited his performance in the race. β
a. Depleted creatine phosphate
b. Depleted muscle glycogen
c. Depleted fat stores
d. Low pH
b. Depleted muscle glycogen β
- ATP used during the 400-m dash would be primarily supplied from what energy system? π₯
a. Phosphagen
b. Slow glycolysis
c. Fast glycolysis
d. Oxidative
c. Fast glycolysis β
- Which energy system results in the formation of the organic end product lactic acid? β
a. Phophagen
b. Slow glycolysis
c. Fast glycolysis
d. Oxidative
c. Fast glycolysis β
- The Creatine Kinase reaction provides energy by catalyzing the synthesis of ATP from which of the following? π₯
A. Adenosine Diphosphate and Creatine Phosphate
B. Adenosine Diphosphate and Glucose
C. Creatine Phosphate and Glucose
D. Adenosine Monophosphate and Creatine Phosphate
A. Adenosine Diphosphate and Creatine Phosphate β
- Lactate will NOT be produced if which of the following is present in sufficient quantities?
A. Oxygen
B. Glucose
C. Glycogen
D. Sodium
A. Oxygen β
- What would be the primary energy system used for a male athlete running the 400m hurdles in the Olympics? π₯
A. Phosphagen
B. Phophagen and Fast Glycolysis
C. Fast Glycolysis
D. Oxidative
C. Fast Glycolysis β
- The degradation of one blood glucose molecule via the oxidative energy system produces approximately how many ATP? π₯
A. 35
B. 38
C. 41
D. 42
B. 38 β
- Which of the following energy substrates cannot be depleted during extreme exercise intensities or durations? π₯
a. creatine phosphate
b. glycogen
c. water
d. ATP
d. ATP β
- Which of the following reactions is the primary cause of metabolic acidosis (i.e., the decrease in intramuscular pH during high-intensity, fatiguing exercise)? π₯
a. ATP β ADP + P + H+
b. pyruvate + NADH β lactate + NAD i
c. ADP + creatine phosphate β ATP + creatine
d. fructose-6-phosphate β fructose-1,6-bisphosphate
a. ATP β ADP + P + H+ β
- All of the following are physiological roles of growth hormone EXCEPT
A. Increase glycogen synthesis
B. Increase protein synthesis
C. Increase lipolysis
D. Increase collagen synthesis
A. Increase glycogen synthesis β
- Catecholamines act as all of the following EXCEPT? π₯
A. Central motor stimulators
B. Peripheral vascular dilators
C. Enhanced enzyme systems
D. Vasoconstrictors
D. Vasoconstrictors β
- For women still having a menstrual cycle, which of the following hormones is higher than men at rest? π₯
A. Cortisol
B. Insulin
C. Growth Hormone
D. Testosterone
C. Growth Hormone β
- Which of the following represents a physiological action of epinephrine? π₯
A. Decreased Blood Sugar
B. Increases Cardiac Output
C. Stimulates Analgesia
D. Increases body fluids
B. Increases Cardiac Output β
- Which of the following represents a physiological role of Growth Hormone?
A. Increases glucose utilization
B. Increases glycogen synthesis
C. Decreases retention of sodium
D. Increases retention of potassium
D. Increases retention of potassium β
- All of the following are functions of Human Growth Hormone EXCEPT? π₯
a) Increased bone and muscle growth
b) Increased uptake of glucose
c) Decreased uptake of amino acids
d) Increased utilization of fatty acids
c) Decreased uptake of amino acids β
- Which of the following have affects such as lipolysis and thermogenesis and have been found to increase lean mass and decrease stored fat? π₯
a) Beta-Adrenergic Agonists
b) Erythropoietin
c) Human Chorionic Gonadotropin
d) Growth Hormone
π‘ Key: lipolysis and thermogenesis
a) Beta-Adrenergic Agonists β
- During the performance of high intensity anaerobic exercise accumulation of which of the following in working skeletal muscle leads to decreased performance? π₯
A. ATP
B. Creatine Phosphate
C. Hydrogen Ions
D. Calcium Ions
C. Hydrogen Ions β
- Which of the following is a side effect associated with caffeine? π₯
A. Bradycardia
B. Lethargy
C. Increased Urine Output
D. Hallucinations
C. Increased Urine Output β
- Which of the following would be an appropriate depth jump box height for a male shot putter who is 6β5β and weighs 340 lbs.?
A. 1 inch
B. 12 inches
C. 24 inches
D. 36 inches
π‘ usually 30-32 inch, range from 12-42 inch, for 200+ lb <18 inch
B. 12 inches β
- You are watching a video of a sprinter at maximum velocity, during the early flight phase which of the following decelerates backward rotation of the thigh? π₯
A. Concentric Hip Flexion
B. Eccentric Hip Flexion
C. Concentric Knee Extension
D. Eccentric Knee Flexion
B. Eccentric Hip Flexion β
- When changing direction in response to movements by a wide receiver a defensive back is instructed to focus on which of the following body parts of the wide receiver β
A. Head
B. Arms
C. Hips
D. Legs
C. Hips