Fitness and body: muscular strength and activities 96%

If you had a 30-pound barbell at home and you wanted to compare your muscular endurance to your younger brother's, which method would be the BEST to use? A. absolute method B. maxing out C. prediction of 1 percent RM D. fixed percentage of 1 max RM

A

If you wanted to increase your muscular endurance, it would be important to participate in activities that __________. A. increase the size of the muscle cells and the amount of blood that is delivered to the muscle B. decrease the amount of fuel that the muscle can store and increase the time it takes for the muscle to contract C. increase the number of muscles and decrease the size of the muscle cells D. decrease the length of the muscle and increase the thickness of the muscle

A

Marcel and Jose lifted 50 pounds as many times as they could. Marcel could lift the weight 25 times. Jose could lift the weight 30 times. Marcel and Jose can conclude that __________. A. Jose has better muscular endurance than Marcel B. Jose has better muscular strength than Marcel C. Marcel has better muscular strength than Jose D. Marcel has better muscular endurance than Jose

A

In this theory of muscle growth, muscle fibers are able to split and create new fibers. A. hypertrophy B. hyperplasia C. atrophy D. none of the above

B

Isometric exercise strengthens muscles without __________. A. contracting muscle fibers B. changing muscle length C. burning calories D. conscious effort

B

Which of the following activities is most likely to improve muscular endurance? A. high jumping B. long distance running C. sprinting D. throwing a fast ball

B

All of the following statements concerning drugs and supplements are true EXCEPT: A. Many drugs and supplements are ineffective and expensive. B. Many supplements and drugs are frequently used to improve performance and appearance. C. Supplements and drugs both undergo stringent government testing. D. Supplements and drugs can both cause unwanted side effects.

C

Strength training is beneficial because it decreases your risk of injury. Which statement BEST describes why this is true? A. Muscular fitness training can prevent or improve diabetes and sarcopenia. B. Muscular fitness training increases muscle mass, which increases your metabolism. C. Muscular fitness training strengthens tendons, ligaments, and cartilage. D. Muscular fitness training improves self-image and athletic performance.

C

The local gym has some rules about spotting. Which one of the rules is incorrect? A. All spotters must keep their eyes on the lifter during the lift. B. All spotters must keep an upward straight position. C. All exercises require a spotter. D. All spotters must help rerack the weights.

C

Martina wants to increase her strength in her lower and upper body to help her in her new waitressing job. Right now, Martina lifts weights once a week and includes exercises that work out all muscle groups. Which change in her workout would be BEST to help her meet her goals? A. making sure that she targets the groups in the upper body and works these groups out every day B. concentrating on the muscle groups that will strengthen only her arms and legs for her job and doing this workout every day C. working out her arms on Monday, her legs on Wednesday, and her stomach on Friday. D. making sure there is variety, at least 48 hours of rest for specific muscle groups, and that each target group gets a workout three times a week

D

What do barbell curls and dips have in common? A. They are both leg exercises. B. They both use free weights. C. Neither exercise is isotonic. D. They are both arm exercises.

D

What would be the most likely outcome if a young man were using anabolic steroids? A. He could go into insulin shock and die. B. He could have trouble with his blood sugar. C. He could develop fatigue or depression. D. He could develop breasts and high blood pressure.

D

Why is spot training a myth? A. Exercise only burns fat in specific body regions. B. Weight training strengthens muscles but does not burn fat. C. The results of spot training are not consistent. D. Exercise cannot burn fat in a target body region.

D

If you go to a nutrition store and buy a supplement, you can count on the fact that it is pure and safe because supplements are regulated, controlled, and inspected by the FDA.

F

Plyometrics is an isometric exercise technique.

F

Well-designed weight-training programs only target two or three body areas.

F

Slow-twitch muscle fibers have a high resistance to fatigue.

T

The proper way to increase progression in weight training is to gradually increase the amount and type of stimulus applied to the muscle.

T

Which of the following factors are incorporated into the FITT principle of weight training? A. function, intensity, type, and timeline for exercise B. frequency of exercise, intensity, time allotted, and type of exercise C. fitness goals, interests of the person, techniques, and time allotted D. frequency, interests of the person, technical abilities, time commitment

B

Communication between a spotter and lifter should take place __________. A. before lifting B. during the last set C. at all times D. while planning the routine

C

If you want to increase your muscular endurance, which workout would be BEST suited to help you reach your goals? A. a workout that uses five sets of five reps and works out each specific muscle group three times a week, treating every other day as a rest day B. a workout that works out each muscle group each day, using high weight and low repetitions C. a workout that uses three sets of 15 repetitions and works each muscle group four times a week, treating every other day as a rest day D. a workout that isolates one muscle group a day, using low weight and low repetitions

C

The principal difference between isometric and isotonic exercises is the __________. A. use of free weights and weight machines B. rate of calories burned during exercise C. change in muscle length during exercise D. type of muscles exercised

C

When comparing the proper position for spotting different exercises, you can conclude that, in spotting any exercise, it is important to __________. A. stand with your feet together B. keep your hand on the bar C. keep your back upright D. Place your hand inside the lifter's hands

C

Which workout schedule would be BEST suited for a weight-lifting workout that builds both strength and endurance? A. lifting weights four days a week with 2 to 4 repetitions B. lifting weights every day with 8 to 10 repetitions C. lifting weights three days a week with 12 to 20 repetitions D. lifting weights three days a week with 8 to 12 repetitions

D

When using the absolute method to assess muscular endurance, you should adjust the weight according to each individual's strength ability.

T