What Do You Understand by Strength Training and Exercise Flashcards

What Do You Understand by Strength Training and Exercise? Read and study these educational flashcards and take this quiz based on Strength Training and Exercise to see what you have learned.    

71 cards   |   Total Attempts: 183
  

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Cards In This Set

Front Back
Which of the following substances acts at the NMJ to excite the muscle fibers of the motor unit? acetylcholine ATP creatine phosphate serotonin
Acetylcholine
Which of the following muscle fiber types would be most benificial for a powerlifter?
Type IIb
When throwing a baseball, the athletes arm is rapidly stretched just prior to throwing the ball. what structure detects and responds to that stretch by reflexively increasing muscle activity?
Muscle spindle
A college volleyball player begins resistance training for the first time. what muscle fiber types will hypertrophy first? fast twitch slow twitch muscle spindle intrafusal muscle
Fast twitch
A 22 yr old soccer player begins resistance training for the first time. his chosen exercises include those for all major muscle groups. after 3 weeks, he notices an increase in lower extremity strength. which of the following best explains this athletes
Improved motor control
Which of the following results from adding resistance training to a marathoners aerobic exercise training program? max o2 uptake increases max o2 uptake decreases short-term endurance may improve long-term endurance may improve
Short term endurance may improve
A weightlifter adds 30 min of intense (>75% VO2max) stationary bicycle riding every other day to her resistance training program. which of the following describes the effect this addition will have on her performance? strength gains are compromised stre
Strength gains are compromised
A bundle of muscle fibers is called
Fasiculus
To which of the following structures do the cross-bridges attach during muscle action? actin myosin m-bridge sarcolemma
Actin
Which of the following substances regulates muscle actions? potassium calcium phosphorus selenium
Calcium
Which of the following best describes what occurs during a concentric muscle action? resistance is greater than muscle force resistance is equal to muscle force resistance is less than muscle force negative energy is produced
Resistance is less than muscle force
Which of the following will increase force produced during a concentric muscle action? 1. agonist prestretching 2. more calcium released in the myofibril 3. decreased activity of the antagonist muscle group 4. faster muscle action
1,2,&3 only
Sarcopenia is defined as
Reduced muscle size and strength
The knee joint can be described as cartilaginous synovial axial multiaxial
Synovial
Most human limbs operate as which class of lever?
3rd class