Chapters 2 & 3
Which of the following is an example of sagittal plane movement?
a. Horizontal adduction of limbs
b. Internal rotation of limbs
c. Side lunges
d. Biceps curls
d. Biceps curls
Which of the following is a true statement of type I (slow-twitch) muscle fibers?
a. They are larger in size than type II muscle fibers and are referred to as white fibers.
b. They contain a large number of capillaries, mitochondria, and myoglobin.
c. They are faster than type II muscle fibers to produce maximal tension.
d. They have a low oxidative capacity and fatigue quickly.
b. They contain a large number of capillaries, mitochondria, and myoglobin.
Which of the following is an example of relaxation of the psoas so the glutes can contract?
a. Reciprocal inhibition
b. Force-couple
c. Altered reciprocal relationship
d. Length-tension relationship
a. Reciprocal inhibition
Which of the following is a muscle that is commonly overactive in the foot and ankle?
a. Medial gastrocnemius
b. Soleus
c. Anterior tibialis
d. Posterior tibialis
b. Soleus
At what point in a class should an instructor provide an overview of the workout and the equipment needed?
a. Introduction
b. Body of workout
c. Transition
d. Movement prep
a. Introduction
The synergistic action of muscle groups to produce movement around a joint is known as what?
a. Moment of force
b. Subacromial impingement
c. Length-tension relationship
d. Force-couple
d. Force-couple
Which statement best describes aerobic metabolism?
a. Maintains high levels of ATP production for shorter periods of time
b. Is called the ATP-phosphocreatine system
c. Maintains high levels of ATP production for longer periods of time
d. Occurs during the initial 10 to 15 seconds of activity
c. Maintains high levels of ATP production for longer periods of time
Which of the following is a characteristic of synovial joints?
a. They comprise approximately 80 percent of all the joints in the body and have high mobility.
b. They are seen in the sutures of the skull.
c. They exhibit little to no movement.
d. They have no joint cavity, fibrous connective tissue, or cartilage in the uniting structure.
a. They comprise approximately 80 percent of all the joints in the body and have high mobility.
What are the two main divisions of the skeletal system called?
a. Axon and dendrite
b. Central and peripheral
c. Axial and appendicular
d. Type I and type II
c. Axial and appendicular
In a strength and resistance class, which set of variables is most appropriate for strength or muscular development?
a. 10 – 12 reps
b. 12 – 20 reps
c. 6 – 8 reps
d. 6 - 12 reps
d. 6 - 12 reps
Which of the following sustains high-power activity without oxygen for up to 15 seconds?
a. ATP-PC
b. Krebs cycle
c. Aerobic glycolysis
d. Anaerobic glycolysis
a. ATP-PC
Cardiac output is represented by which of the following formulas?
a. VO2 x HR = Q
b. RR x HR = Q
c. SV x RR = Q
d. SV x HR = Q
d. SV x HR = Q
Which of the following is a component of the appendicular skeleton?
a. Skull
b. Femur
c. Vertebral column
d. Rib cage
b. Femur
Which of the following can occur if one transitions too quickly from intense movement to slower movement?
a. Reduced muscle elasticity
b. A reduced caloric expenditure
c. An increased risk of fainting
d. Increased muscle soreness
c. An increased risk of fainting
Which of the following should be included in the movement prep segment of a resistance class focused on the lower body?
a. Stretches for the hip flexors to facilitate glute activation
b. Stretches for the abductors to reduce knee adduction
c. Stretches for the glutes to reduce spinal flexion
d. Stretches for the calf muscles to facilitate ankle plantar flexion
a. Stretches for the hip flexors to facilitate glute activation
Which is a characteristic of muscle spindles?
a. They remain unaffected even when the muscle within which they are present is stretched.
b. They provide the ability to sense the relative position of adjacent parts of the body.
c. They are sensitive to change in tension of muscle and the rate of that change.
d. They are sensitive to change in length of muscle and the rate of that change.
d. They are sensitive to change in length of muscle and the rate of that change.
Which of the following is a function of blood?
a. Transportation
b. Filtration
c. Digestion
d. Immunity
a. Transportation
Which of the following is a high-energy molecule that stores energy to be used in cellular and mechanical work, including exercise?
a. GTO
b. Macronutrient
c. Calorie
d. ATP
d. ATP
Which component of a workout is designed to increase the core body temperature?
a. Body of workout
b. Introduction
c. Movement prep
d. Transition
c. Movement prep
Using strategies such as poker cards, group tasks, and pyramid circuits is most commonly used in what type of class?
a. Yoga
b. Boot camp
c. Strength
d. Cycle
b. Boot camp
Which of the following is the functional unit of the nervous system that merges collectively to form nerves?
a. Neuron
b. Vein
c. Tendon
d. Cartilage
a. Neuron
Which of the following are fibrous connective tissues that connect bone to bone and provide static and dynamic stability as well as input to the nervous system?
a. Dendrites
b. Axons
c. Ligaments
d. Tendons
c. Ligaments
Which of the following is a common overactive muscle of the head and neck?
a. Rotator cuff
b. Tensor fascia latae
c. Levator scapulae
d. Vastus medialis oblique
c. Levator scapulae
In a HIIT class with repetitive jumping activities, which of the following exercises is most important to include as movement prep?
a. SMR for the quadriceps and hamstrings
b. Active stretching of the gluteals and abductors
c. Plyometric jump squats with a dumbbell
d. Static stretching of the calves and adductors
d. Static stretching of the calves and adductors
Which component of class design is intended to capture the attention of participants by providing a quick explanation of the workout and class expectations?
a. Introduction
b. Movement prep
c. Body of workout
d. Transition
a. Introduction