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Questions and Answers
Which of the following best defines muscle performance?
Which of the following best defines muscle performance?
- The ability of muscles to sustain contractions repeatedly
- The ability of a muscle to do work (correct)
- The capacity of a muscle to produce great force over a short period of time
- The maximum force that a muscle can exert during a contraction
What is the main difference between muscle power and muscle endurance?
What is the main difference between muscle power and muscle endurance?
- Power involves great force production, while endurance sustains contractions repeatedly (correct)
- Power involves sustaining contractions repeatedly, while endurance produces force over a short period
- Power involves work capacity, while endurance involves maximum force exertion
- Power involves maximum force exertion, while endurance involves work capacity
According to the lecture, what is the key element of muscle performance?
According to the lecture, what is the key element of muscle performance?
- Endurance
- Flexibility
- Strength (correct)
- Agility
What is the main purpose of ACTIVE RESISTED EXERCISE?
What is the main purpose of ACTIVE RESISTED EXERCISE?
How is an active resisted exercise defined?
How is an active resisted exercise defined?
What are the main components of muscle performance according to the lecture?
What are the main components of muscle performance according to the lecture?
What is the main benefit of active resisted exercise according to the text?
What is the main benefit of active resisted exercise according to the text?
Which factor affects muscle tension by the cross-section and size of the muscle?
Which factor affects muscle tension by the cross-section and size of the muscle?
What does exercise frequency in a resistance exercise program refer to according to the text?
What does exercise frequency in a resistance exercise program refer to according to the text?
What is a 10 RM in the context of resistance exercise?
What is a 10 RM in the context of resistance exercise?
In isotonic exercise, how does the Delorme technique differ from the Oxford technique?
In isotonic exercise, how does the Delorme technique differ from the Oxford technique?
What does exercise intensity refer to in resistance exercise?
What does exercise intensity refer to in resistance exercise?
What is the effect of eccentric muscle contraction on speed and tension according to the text?
What is the effect of eccentric muscle contraction on speed and tension according to the text?
Which factor affects muscle tension by the recruitment of motor units?
Which factor affects muscle tension by the recruitment of motor units?
What is a repetition maximum (RM) used to measure?
What is a repetition maximum (RM) used to measure?
What do the first two sets act as in the Delorme technique according to the text?
What do the first two sets act as in the Delorme technique according to the text?
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Study Notes
Muscle Performance
- Muscle performance is best defined as the ability to generate force, speed, and endurance.
- The key element of muscle performance is muscle power, which is the product of force and velocity.
Muscle Power vs Muscle Endurance
- Muscle power refers to the ability to generate force quickly, while muscle endurance refers to the ability to sustain muscle activity over time.
Active Resisted Exercise
- The main purpose of active resisted exercise is to improve muscle strength and endurance.
- Active resisted exercise is defined as a type of exercise where muscles contract against an external resistance, such as weights or resistance bands.
- The main benefit of active resisted exercise is that it increases muscle tension and strength.
Components of Muscle Performance
- The main components of muscle performance are muscle power, muscle endurance, and muscle strength.
Muscle Tension
- Muscle tension is affected by the cross-section and size of the muscle, as well as the recruitment of motor units.
Exercise Frequency and Intensity
- Exercise frequency in a resistance exercise program refers to the number of times a muscle group is trained per week.
- Exercise intensity refers to the amount of weight or resistance used during an exercise.
Resistance Exercise Techniques
- In isotonic exercise, the Delorme technique differs from the Oxford technique in that it involves a series of exercises with progressive weights, while the Oxford technique involves a single exercise with a fixed weight.
- A 10 RM (repetition maximum) is the maximum weight that can be lifted for 10 repetitions.
Muscle Contraction
- Eccentric muscle contraction, which occurs when a muscle lengthens while generating force, results in slower speed and increased tension.
Repetition Maximum (RM)
- A repetition maximum (RM) is used to measure muscle strength and endurance.
Delorme Technique
- In the Delorme technique, the first two sets act as a warm-up to prepare the muscle for the heavier weights used in subsequent sets.
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