Athletic Injuries Exam II
(36).webp "Athletic Injuries Exam II - Quiz")
Questions and Answers
- 1.
This type of training should be discointinued prior to preaseason as it is not sport specific
- A.
Functional training
- B.
Isotonic training
- C.
Cross training
- D.
Core training
- E.
Circuit training
Correct Answer
C. Cross trainingExplanation
Cross training refers to the practice of engaging in different types of exercises or activities to improve overall fitness and prevent boredom or overuse injuries. In this context, the explanation suggests that the given type of training should be discontinued before the preseason because it is not sport-specific. This implies that cross training, which involves a variety of exercises, may not be as effective for preparing for a specific sport compared to other types of training that focus on specific movements or muscles.Rate this question:
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- 2.
This type of traning is a combination of different exercise stations, and it is designed for different training goals.
- A.
Circuit training
- B.
Interval training
- C.
Functional training
- D.
Core training
- E.
Isokinetic training
Correct Answer
A. Circuit trainingExplanation
Circuit training is a type of training that involves moving through a series of different exercise stations. It is designed to target different muscle groups and can be tailored to different training goals, such as improving strength, endurance, or cardiovascular fitness. This type of training is effective because it allows for a variety of exercises to be performed in a short amount of time, providing a full-body workout and keeping the heart rate elevated. It is a popular choice for those looking to improve overall fitness and burn calories efficiently.Rate this question:
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- 3.
activity must be increased and upgraded constantly in order to gain a higher response from the body work at or near max capacity applicable to conditioning
- A.
Static principle
- B.
Overload principle
- C.
Progression
- D.
Workload potential
Correct Answer
B. Overload principleExplanation
The overload principle states that in order to see improvements in physical fitness, the body must be subjected to a greater workload than it is accustomed to. This means that the activity level and intensity must be increased and upgraded constantly to challenge the body and elicit a higher response. By pushing the body to work at or near its maximum capacity, conditioning and fitness levels can be improved. This principle emphasizes the importance of progressively increasing the demands placed on the body to continue making progress.Rate this question:
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- 4.
The body's most efficient source of energy
- A.
Fat
- B.
Water
- C.
Carbohydrates
- D.
Proteins
- E.
Minerals
Correct Answer
C. CarbohydratesExplanation
Carbohydrates are the body's most efficient source of energy because they are easily broken down and converted into glucose, which is the primary fuel for our cells. When we consume carbohydrates, they are quickly digested and absorbed into the bloodstream, providing a rapid source of energy. Additionally, carbohydrates can be stored in the muscles and liver as glycogen, which can be readily accessed during periods of increased energy demands. This makes carbohydrates an essential nutrient for maintaining optimal energy levels and supporting bodily functions.Rate this question:
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- 5.
Sugars are also the same as carbs
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Sugars are a type of carbohydrate. Carbohydrates are macronutrients that provide energy to the body. They are made up of sugar molecules, which can be simple sugars (such as glucose and fructose) or complex sugars (such as starches and fibers). Therefore, it is correct to say that sugars are the same as carbs, as they are a subset of carbohydrates.Rate this question:
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- 6.
Glucose is a type of disaccharide
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Glucose is not a type of disaccharide. It is a monosaccharide, which means it is a simple sugar composed of a single sugar unit. Disaccharides, on the other hand, are formed by the combination of two monosaccharides through a condensation reaction. Examples of disaccharides include sucrose (composed of glucose and fructose) and lactose (composed of glucose and galactose). Therefore, the statement "Glucose is a type of disaccharide" is false.Rate this question:
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- 7.
This nutrient accounts for 55-60% of total caloric intake
- A.
Water
- B.
Carbohydrates
- C.
Proteins
- D.
Fats
Correct Answer
B. CarbohydratesExplanation
Carbohydrates are the macronutrients that provide the body with the most energy. They are broken down into glucose, which is used by the body as a primary source of fuel. Carbohydrates are found in foods such as grains, fruits, vegetables, and legumes. They account for 55-60% of total caloric intake because they are a major source of energy for the body.Rate this question:
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- 8.
The intake for fiber should be about ______
- A.
20 grams/day
- B.
35 grams/day
- C.
15 grams/day
- D.
25 grams/day
Correct Answer
D. 25 grams/dayExplanation
The recommended daily intake for fiber is 25 grams. Fiber is an essential nutrient that aids in digestion and helps prevent constipation. It also helps regulate blood sugar levels and lower cholesterol levels. Consuming an adequate amount of fiber can also promote a healthy weight and reduce the risk of developing certain chronic diseases, such as heart disease and type 2 diabetes. Therefore, it is important to consume 25 grams of fiber per day to maintain optimal health.Rate this question:
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- 9.
The most concentrated source of energy are ___ and should accout for ____ of caloric intake
- A.
Carbohydrates; 25-30%
- B.
Fats; 25-30%
- C.
Carbohydrates; 30-35%
- D.
Fats; 30-35%
Correct Answer
B. Fats; 25-30%Explanation
Fats are the most concentrated source of energy, providing 9 calories per gram compared to 4 calories per gram from carbohydrates. They should account for 25-30% of caloric intake, as stated in the answer.Rate this question:
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- 10.
Saturated fats are liquid at room temperature
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Saturated fats are solid at room temperature, not liquid. Unsaturated fats, on the other hand, are liquid at room temperature. This is because saturated fats have a higher melting point due to their chemical structure, which is composed of single bonds between carbon atoms. In contrast, unsaturated fats have double bonds between carbon atoms, which creates kinks in the molecule and lowers the melting point, resulting in a liquid state at room temperature.Rate this question:
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- 11.
This nurtient is essential for normal growth and development
- A.
CHO
- B.
Water
- C.
Protein
- D.
Fats
- E.
Iron
Correct Answer
D. FatsExplanation
Fats are an essential nutrient for normal growth and development. They provide energy, support brain development, help absorb fat-soluble vitamins, and are important for hormone production. They also help maintain healthy skin and hair. Without an adequate intake of fats, individuals may experience stunted growth, delayed development, and nutrient deficiencies. Therefore, fats are crucial for overall health and well-being.Rate this question:
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- 12.
You should consume less than ____ of cholesterol
- A.
350 mg/day
- B.
200 mg/day
- C.
300 mg/day
- D.
350 mg/day
Correct Answer
C. 300 mg/dayExplanation
The recommended daily intake of cholesterol is 300 mg/day. Consuming more than this amount can increase the risk of heart disease and other health problems. It is important to limit cholesterol intake by choosing low-cholesterol foods and avoiding high-cholesterol sources such as fatty meats, full-fat dairy products, and fried foods.Rate this question:
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- 13.
Cholesterol is a type of phospholipid
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Cholesterol is not a type of phospholipid. Cholesterol is a type of lipid, but it is not classified as a phospholipid. Phospholipids are a type of lipid that have a phosphate group attached to them, while cholesterol does not have a phosphate group. Therefore, the statement that cholesterol is a type of phospholipid is false.Rate this question:
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- 14.
Should ecompass 15% of your daily caloric intake
- A.
Protein
- B.
Unsaturated fats
- C.
Carbohydrates
- D.
None of the above
Correct Answer
A. ProteinExplanation
Protein should encompass 15% of your daily caloric intake because it is an essential macronutrient that plays a crucial role in building and repairing tissues, producing enzymes and hormones, and supporting a healthy immune system. It also provides satiety and helps in maintaining a healthy weight. Consuming an adequate amount of protein is important for overall health and wellbeing.Rate this question:
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- 15.
Protein is required for growth, maintenance, and repair of the body
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Protein is a macronutrient that plays a crucial role in various bodily functions. It is necessary for growth, as it provides the building blocks for new tissues and cells. It is also essential for the maintenance of body tissues, as it helps in repairing damaged cells and tissues. Additionally, protein is involved in the production of enzymes, hormones, and antibodies, which are important for the proper functioning of the body. Therefore, it is correct to say that protein is required for growth, maintenance, and repair of the body.Rate this question:
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- 16.
Excess protein in the body is converted into ___
- A.
Glycogen
- B.
Glucose
- C.
Fat
- D.
Excess protein is excreted via the urinary system
Correct Answer
C. FatExplanation
Excess protein in the body is converted into fat. When the body has more protein than it needs for muscle repair and other functions, it breaks down the excess protein into amino acids. These amino acids can then be used to produce glucose through a process called gluconeogenesis. If the body has enough glucose, it can convert the excess amino acids into fatty acids and store them as fat for future energy needs. This is why consuming excessive amounts of protein can contribute to weight gain.Rate this question:
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- 17.
Excess water soluble vitamins are stored and used when the body is ready for it
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Water soluble vitamins, such as vitamin C and B vitamins, are not stored in the body to a significant extent. Instead, they are excreted through urine if consumed in excess. This is because water soluble vitamins dissolve in water and are easily absorbed by the body, but they are also quickly eliminated. Therefore, it is important to consume water soluble vitamins regularly through a balanced diet, as the body does not have a large storage capacity for these vitamins.Rate this question:
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- 18.
Most minerals are stroed in the liver and the bones
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement is true because the liver and bones are major storage sites for minerals in the body. The liver plays a vital role in storing essential minerals such as iron and copper, while the bones store minerals like calcium and phosphorus. These minerals are important for various bodily functions, including maintaining bone health and supporting enzymatic reactions. Therefore, it is accurate to say that most minerals are stored in the liver and bones.Rate this question:
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- 19.
Which of these are complex carbohydrates
- A.
Surcose
- B.
Rice
- C.
Glucose
- D.
Starch
- E.
Fiber
Correct Answer
B. RiceExplanation
Rice is a complex carbohydrate because it is a starchy food that contains long chains of glucose molecules. Complex carbohydrates, like rice, take longer to digest and provide a more sustained release of energy compared to simple carbohydrates like sucrose and glucose. Fiber, another option listed, is also a complex carbohydrate as it is a type of carbohydrate that cannot be digested by the human body.Rate this question:
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- 20.
Which of these are not digestible in humans?
- A.
Pectin
- B.
Cellulose
- C.
CHO
- D.
Insoluble fiber
- E.
Complex proteins
Correct Answer(s)
A. Pectin
B. Cellulose
D. Insoluble fiberExplanation
Pectin, cellulose, and insoluble fiber are not digestible in humans. Pectin is a type of soluble fiber found in fruits, while cellulose is a type of insoluble fiber found in plant cell walls. Insoluble fiber refers to a group of dietary fibers that cannot be broken down by human digestive enzymes. These substances pass through the digestive system without being absorbed or digested, providing bulk to the stool and aiding in regular bowel movements. Complex proteins, on the other hand, are digestible in humans.Rate this question:
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- 21.
Which of these would you find all essential amino acids.
- A.
Fish
- B.
Beef
- C.
Legumes
- D.
Steak
- E.
All of the above
Correct Answer(s)
A. Fish
B. Beef
D. SteakExplanation
Fish, beef, and steak are all sources of complete proteins, which means they contain all essential amino acids that the body needs. Legumes, on the other hand, are not a complete source of protein as they lack certain essential amino acids. Therefore, the correct answer is fish, beef, and steak.Rate this question:
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- 22.
Which of these vitamins are fat soluble?
- A.
D
- B.
B
- C.
K
- D.
C
- E.
E
Correct Answer(s)
A. D
C. K
E. EExplanation
Vitamins D, K, and E are fat soluble vitamins. This means that they can be dissolved and stored in fat tissues in the body. These vitamins are absorbed along with dietary fats and are stored in the liver and fatty tissues until they are needed. Unlike water soluble vitamins, which are not stored in the body and are excreted through urine, fat soluble vitamins can be stored for longer periods of time.Rate this question:
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- 23.
Which of these vitamins are also classified as antioxidants
- A.
C
- B.
D
- C.
A
- D.
K
- E.
B
Correct Answer(s)
A. C
C. AExplanation
Vitamins C and A are classified as antioxidants. Antioxidants are substances that help protect the body from damage caused by harmful molecules called free radicals. Vitamin C is a powerful antioxidant that helps protect cells from oxidative stress and supports the immune system. Vitamin A, in the form of beta-carotene, is also an antioxidant that helps protect cells from damage and supports healthy vision. Both vitamins play important roles in maintaining overall health and well-being.Rate this question:
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- 24.
Water is the most essential nutrient in the body
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Water is considered the most essential nutrient in the body because it plays a vital role in various bodily functions. It helps in maintaining body temperature, lubricating joints, transporting nutrients and oxygen to cells, removing waste products, and supporting digestion and metabolism. Without an adequate intake of water, dehydration can occur, leading to various health issues. Therefore, it is crucial to consume enough water to ensure proper hydration and overall well-being.Rate this question:
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- 25.
Where is glycogen stored in the body?
- A.
Liver
- B.
Brain
- C.
Muscles
- D.
All of the above
- E.
Both A and C
Correct Answer
E. Both A and CExplanation
Glycogen is a form of glucose storage in the body. It is stored in the liver and muscles. The liver stores glycogen to maintain blood glucose levels and release glucose when needed. The muscles store glycogen for their own energy needs during exercise. Therefore, the correct answer is both A and C, as glycogen is stored in both the liver and muscles.Rate this question:
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- 26.
Reduces the risk of colon cancer and coronary heart diease
- A.
Fiber
- B.
Unsaturated fatty acids
- C.
Water
- D.
All of the above
Correct Answer
A. FiberExplanation
Fiber is the correct answer because it has been shown to reduce the risk of colon cancer and coronary heart disease. Fiber is a type of carbohydrate that cannot be digested by the body, but it plays a crucial role in maintaining a healthy digestive system. It helps to regulate bowel movements and prevent constipation, which in turn reduces the risk of colon cancer. Additionally, fiber has been linked to lower levels of cholesterol in the blood, which can help prevent coronary heart disease. Therefore, consuming a diet high in fiber is beneficial for reducing the risk of these two diseases.Rate this question:
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- 27.
Fiber is beneficial for the digestive system
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Fiber is beneficial for the digestive system because it adds bulk to the stool, making it easier to pass through the intestines. It also helps prevent constipation by promoting regular bowel movements. Additionally, fiber can help regulate blood sugar levels and lower cholesterol levels.Rate this question:
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- 28.
This nutrient aids with enzyme, hormone, and enzyme production.
- A.
Lipids
- B.
Proteins
- C.
Fats
- D.
Carbohydrates
Correct Answer
B. ProteinsExplanation
Proteins are the correct answer because they play a crucial role in enzyme, hormone, and enzyme production. Enzymes are proteins that act as catalysts in biochemical reactions, helping to speed up the rate of these reactions. Hormones are also proteins that act as chemical messengers in the body, regulating various physiological processes. Additionally, proteins are involved in the production of other proteins through the process of transcription and translation.Rate this question:
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- 29.
A defiency of this vitamin in the diet will could cause scurvy
- A.
D
- B.
C
- C.
A
- D.
K
Correct Answer
B. CExplanation
A deficiency of vitamin C in the diet can cause scurvy.Rate this question:
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- 30.
Helps in energy metabolism and oxygen transport
- A.
Calcium
- B.
Zinc
- C.
Phosphorus
- D.
Iron
- E.
Magnesium
Correct Answer
D. IronExplanation
Iron is the correct answer because it plays a crucial role in energy metabolism and oxygen transport. Iron is a key component of hemoglobin, a protein in red blood cells that carries oxygen from the lungs to the body's tissues. It also helps in the production of adenosine triphosphate (ATP), which is the main source of energy for cellular processes. Therefore, iron is essential for maintaining proper energy levels and ensuring that oxygen is efficiently transported throughout the body.Rate this question:
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- 31.
Used for bone formation, clotting and muscle contractions
- A.
Potassium
- B.
Sodium
- C.
Zinc
- D.
Calcium
- E.
Iron
Correct Answer
D. CalciumExplanation
Calcium is used for bone formation as it is a major component of bones and teeth. It is also involved in blood clotting, as it helps in the activation of certain clotting factors. Additionally, calcium plays a crucial role in muscle contractions, including the contraction of the heart muscles. It is necessary for the release of neurotransmitters, which allow muscles to contract and relax. Therefore, calcium is essential for maintaining strong bones, proper blood clotting, and normal muscle function.Rate this question:
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- 32.
Which vitamin should you take for prevention of the common cold?
- A.
D
- B.
K
- C.
C
- D.
B
- E.
E
Correct Answer
C. CExplanation
Vitamin C is commonly recommended for the prevention of the common cold. It is known to boost the immune system and has antioxidant properties that help protect against infections. Many studies have shown that taking vitamin C regularly can reduce the duration and severity of cold symptoms. However, it is important to note that while vitamin C may help in preventing colds, it does not guarantee complete immunity. Other measures such as practicing good hygiene and maintaining a healthy lifestyle are also important in preventing the common cold.Rate this question:
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- 33.
Vitamin C may cause kidney stones and/or diarrhea if overconsumed (supplementation)
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Overconsumption of Vitamin C through supplementation may lead to kidney stones and/or diarrhea. This is because excess Vitamin C is excreted through urine and can form crystals in the kidneys, leading to the formation of kidney stones. Additionally, high doses of Vitamin C can have a laxative effect, causing diarrhea. Therefore, it is important to consume Vitamin C within the recommended daily intake to avoid these potential side effects.Rate this question:
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- 34.
The most abundant mineral in the body is ___
- A.
Phosphorus
- B.
Calcium
- C.
Magnesium
- D.
Iron
Correct Answer
B. CalciumExplanation
Calcium is the most abundant mineral in the body because it plays a vital role in various bodily functions. It is essential for building and maintaining strong bones and teeth, as well as for proper muscle function, nerve transmission, and blood clotting. Calcium is also involved in regulating enzyme activity and maintaining a healthy pH balance in the body. Due to its widespread importance, calcium is stored in bones and teeth and constantly regulated through the actions of hormones to ensure a steady supply for these critical functions.Rate this question:
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- 35.
Young adults require about 1500 mg of calcium per day
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
1000 mgRate this question:
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- 36.
Overtime, a defiency of calcium in the diet can lead to osterporosis
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
A deficiency of calcium in the diet can lead to osteoporosis over time because calcium is an essential mineral for maintaining strong and healthy bones. When the body does not get enough calcium from the diet, it starts to withdraw calcium from the bones, which weakens them and increases the risk of fractures. Therefore, it is important to consume an adequate amount of calcium through the diet or supplements to prevent osteoporosis.Rate this question:
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- 37.
An anemic individual lacks which mineral
- A.
Magnesium
- B.
Calcium
- C.
Zinc
- D.
None of the above
Correct Answer
D. None of the aboveExplanation
IronRate this question:
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- 38.
People who are lactose intolerant lack the enzyme lactase
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
People who are lactose intolerant lack the enzyme lactase, which is responsible for breaking down lactose, the sugar found in milk and dairy products. Without enough lactase, lactose cannot be properly digested and can cause symptoms such as bloating, gas, and diarrhea. This is why individuals with lactose intolerance often experience discomfort after consuming dairy products. Therefore, the statement "People who are lactose intolerant lack the enzyme lactase" is true.Rate this question:
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- 39.
Alcohol provides 9 calories per gram
- A.
True
- B.
False; alcohol provides no energy
- C.
False; alcohol provides 7 calories per gram
- D.
It varies
Correct Answer
C. False; alcohol provides 7 calories per gramExplanation
The correct answer is false because alcohol actually provides 7 calories per gram, not 9 calories per gram. This means that alcohol is less energy-dense than fats, which provide 9 calories per gram.Rate this question:
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- 40.
This type of vegitarian consumes plant foods, milk products, and eggs
- A.
Lactovegetarian
- B.
Semivegetarian
- C.
Ovolactovegetarian
- D.
None of the above
Correct Answer
C. OvolactovegetarianExplanation
An ovolactovegetarian is a type of vegetarian who consumes plant foods, milk products, and eggs. This means they exclude meat, poultry, fish, and seafood from their diet but still include dairy products and eggs.Rate this question:
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- 41.
A semi vegetarian diet consists primarily of plants but all other products are consumed except red meat.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
A semi-vegetarian diet is a type of diet that primarily consists of plant-based foods but allows for the consumption of certain animal products, excluding red meat. This means that individuals following a semi-vegetarian diet can consume poultry, fish, dairy products, and eggs, while avoiding red meat such as beef, pork, and lamb. Therefore, the statement that a semi-vegetarian diet consists primarily of plants but allows for the consumption of all other products except red meat is true.Rate this question:
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- 42.
Phase I of glycogen loading consists of
- A.
Decreased training and increased CHO intake
- B.
Hard training with reduced CHO intake
- C.
Hard training with increased CHO intake
- D.
None of the above
Correct Answer
C. Hard training with increased CHO intakeExplanation
Phase I of glycogen loading consists of hard training with increased carbohydrate (CHO) intake. During this phase, athletes engage in intense training sessions to deplete their glycogen stores. Simultaneously, they increase their carbohydrate intake to replenish and maximize glycogen stores. This combination of hard training and increased CHO intake allows the muscles to store more glycogen, which provides a readily available source of energy for endurance events. This strategy is commonly used by athletes to enhance their performance and improve their glycogen storage capacity.Rate this question:
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- 43.
Phase II glycogen loading consists of
- A.
Decreased training and increased CHO intake
- B.
Hard training with reduced CHO intake
- C.
Hard training with increased CHO intake
- D.
No training with increased CHO intake
Correct Answer
A. Decreased training and increased CHO intakeExplanation
Phase II glycogen loading consists of decreased training and increased carbohydrate (CHO) intake. This means that during this phase, athletes reduce their training intensity or volume, allowing their muscles to recover and glycogen stores to be replenished. At the same time, they increase their intake of carbohydrates, which are the body's primary source of fuel for exercise. By decreasing training and increasing CHO intake, athletes can optimize glycogen storage and improve their performance during subsequent training or competition.Rate this question:
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- 44.
It is recommended that gycogen loading should not be performed more than 5 times per year
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
2 - 3 times/yearRate this question:
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- 45.
Anorexic people may also suffer from builimia
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Anorexic people may also suffer from bulimia because both disorders involve distorted body image and an unhealthy relationship with food. While anorexia is characterized by severe restriction of food intake and extreme weight loss, bulimia involves cycles of binge eating followed by purging through methods such as vomiting or excessive exercise. It is not uncommon for individuals with anorexia to develop bulimic behaviors as well, as they may feel guilty or out of control after eating and resort to purging to compensate. Therefore, it is true that anorexic people may also suffer from bulimia.Rate this question:
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- 46.
An endurance athlete will most likely have an a great deal of ____ muscle fibers
- A.
Type IIa
- B.
Type IIb
- C.
Type I
- D.
A and C
Correct Answer
C. Type IExplanation
Endurance athletes rely heavily on their aerobic energy system, which is supported by type I (slow-twitch) muscle fibers. These fibers have a high capacity for aerobic metabolism and are resistant to fatigue. Type IIa and type IIb (fast-twitch) muscle fibers are more suited for anaerobic activities and are associated with explosive power and strength. Therefore, it is logical to conclude that an endurance athlete would have a great deal of type I muscle fibers.Rate this question:
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- 47.
Type II muscle fibers are anaerobic in nature
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Type II muscle fibers are anaerobic in nature because they rely on glycolysis, a process that does not require oxygen, to produce energy. These fibers have a high capacity for generating force and are used for activities that require short bursts of intense power, such as weightlifting or sprinting. In contrast, Type I muscle fibers are aerobic in nature and rely on oxygen to produce energy, making them more suited for endurance activities like long-distance running.Rate this question:
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- 48.
True fast twitch; low in mitochondrial density
- A.
Type I
- B.
Type IIb
- C.
Type IIa
- D.
Type IIx
- E.
Type IId
Correct Answer
C. Type IIaExplanation
Type IIa muscle fibers are considered "intermediate" fibers, meaning they have characteristics of both slow twitch (type I) and fast twitch (type II) fibers. They are more resistant to fatigue compared to type IIb and type IIx fibers, and have a higher mitochondrial density compared to type IIb and type IIx fibers. Therefore, the statement "True fast twitch; low in mitochondrial density" aligns with the characteristics of type IIa muscle fibers.Rate this question:
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- 49.
Isokinetic training involves 2 types of contractions: Concentric and Eccentric
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Isotonic involves concentric and eccentricRate this question:
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- 50.
During isotonic training, the concentric phase of the lift should last ___ and the essentric phase should last ___
- A.
2-3 seconds; 3-4 seconds
- B.
2-3 seconds; 1-2 seconds
- C.
Both should last 2 seconds
- D.
1-2 seconds; 3-4 seconds
Correct Answer
D. 1-2 seconds; 3-4 secondsExplanation
During isotonic training, the concentric phase of the lift refers to the muscle contraction and shortening, while the eccentric phase refers to the muscle lengthening and controlled lowering of the weight. The recommended duration for the concentric phase is 1-2 seconds, allowing for a controlled and efficient lift. The eccentric phase should last 3-4 seconds, allowing for a slow and controlled lowering of the weight to maximize muscle activation and strength gains.Rate this question:
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