Exam 4: Muscular Strength and Endurance

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A) 40-60% RM; 15 to 20 repetitions
B) 40-60% RM; 1 to 5 repetitions
C) 80% RM; 1 to 5 repetitions
D) 90-100% RM; 10 to 15 repetitions

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A) by measuring the most force a muscle can produce in one effort
B) by measuring the most force a muscle can produce in 10 repetitions
C) by measuring the ability to exert a submaximal force repeatedly over time
D) by measuring the ability of a muscle to exert force rapidly

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A) handgrip strength
B) overall power
C) "core" endurance and strength
D) isokinetic strength

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A) quadriceps
B) rectus abdominis
C) gastrocnemius
D) deltoids

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A) a motor nerve attached to muscle cells
B) a protein structure within muscle cells
C) an enzyme that facilitates metabolism within muscle cells
D) an individual muscle cell

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D

A) walking and jogging
B) jumping and sprinting
C) weight training
D) shot putting

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A) Free weights are less available.
B) Free weights require less skill.
C) Free weights adapt to real life motion.
D) Free weights require less coordination.

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A) an increase in muscle fiber size
B) a decrease in muscle fiber size
C) an increase in muscle fiber number
D) a decrease in muscle fiber number

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Answered by ExamLex AI

1. Improved physical performance: Developing muscular strength and endurance allows for greater power, speed, and agility in physical activities such as sports, weightlifting, and everyday tasks like lifting heavy objects. This is because stronger muscles can generate more force and endure longer periods of exertion. 2. Injury prevention: Strong muscles provide better support and stability for the joints, reducing the risk of injuries such as strains, sprains, and fractures. Endurance also helps to maintain proper form and technique during physical activities, further reducing the risk of injury. 3. Enhanced metabolism: Building muscle mass through strength training can increase the body's metabolic rate, leading to more efficient calorie burning and improved weight management. Endurance training also contributes to overall cardiovascular health, which can further support a healthy metabolism. 4. Improved bone health: Resistance training, which is a key component of developing muscular strength, has been shown to increase bone density and reduce the risk of osteoporosis. This is particularly important for aging individuals who are at higher risk for bone-related issues. 5. Enhanced mental well-being: Regular strength and endurance training have been linked to improved mood, reduced stress, and better overall mental health. This is due to the release of endorphins during exercise, as well as the sense of accomplishment and confidence that comes with achieving physical fitness goals. In summary, developing muscular strength and endurance provides benefits such as improved physical performance, injury prevention, enhanced metabolism, improved bone health, and enhanced mental well-being through the physiological and psychological effects of regular exercise.

A) applying force with movement
B) applying force at a constant speed.
C) applying force without a change in the length of the muscle.
D) applying force while a muscle is lengthening.

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A) eccentric
B) isometric
C) concentric
D) isotonic

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A) Weight machines are better for developing explosive strength.
B) Weight machines are safer.
C) Weight machines are harder to use.
D) Weight machines are less convenient.

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B

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