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Fitness Exam 2 Questions and
Answers (100% Correct Answers)
Already Graded A+
Sarcopenia
Ans: Age-related loss of lean body mass, strength, and function
Hypertrophy
Ans: An increase in the size if the cell as in muscle hypertrophy
© 2026 Assignment
Muscular strength
Ans: ability to exert maximum force against resistance
Guru01 - Stuvia
Expert
Muscular endurance
Ans: Ability to exert submaximal force repeatedly over time
How is muscular strength usually determined?
Ans: 1 RM (1 repetition maximum)
Slow-twitch fibers
Ans: greater capacity for aerobic work
(slow speed of contraction)
Fast-twitch fibers
Ans: greater capacity for anaerobic work and produce more overall force
(fast speed of contraction)
Atrophy
Ans: decrease in size of a cell
Overload Principle
Ans: training concept that the demands placed on a system
(cardiorespiratory or muscular) must be increased systematically and
progressively over time to cause physiological adaptation
Fitness Exam 2 Questions and
Answers (100% Correct Answers)
Already Graded A+
Sarcopenia
Ans: Age-related loss of lean body mass, strength, and function
Hypertrophy
Ans: An increase in the size if the cell as in muscle hypertrophy
© 2026 Assignment
Muscular strength
Ans: ability to exert maximum force against resistance
Guru01 - Stuvia
Expert
Muscular endurance
Ans: Ability to exert submaximal force repeatedly over time
How is muscular strength usually determined?
Ans: 1 RM (1 repetition maximum)
Slow-twitch fibers
Ans: greater capacity for aerobic work
(slow speed of contraction)
Fast-twitch fibers
Ans: greater capacity for anaerobic work and produce more overall force
(fast speed of contraction)
Atrophy
Ans: decrease in size of a cell
Overload Principle
Ans: training concept that the demands placed on a system
(cardiorespiratory or muscular) must be increased systematically and
progressively over time to cause physiological adaptation
