Delayed onset muscle soreness (DOMS) is most closely associated with which type of muscle actio a. Flurometic b. Isometric c. Anabolic d. Concentric e. Eccentric
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A: Introduction:- Muscles are delicate tissue present in most animals . These contain filaments like…
Q: Muscle Fiber Recruitment As intensity increases, in which order are fibers recruited? a. type llx,…
A: Human skeletal muscle is composed of a different collection of muscle fiber types. This range of…
Q: Which of the following effects result(s) from aging on the muscular system? a. Muscle mass declines.…
A: The muscular system is defined as an organ system composed of skeletal muscles, smooth muscles, and…
Q: Which of the following statements about movement and locomotion isfalse?a. Terrestrial animals and…
A: The process called movement is the temporary or permanent displacement of the part of the body of a…
Q: muscle that assists the muscle primarily responsible for a given action is a __________.…
A: Myofibrils are the the smallest part of the muscle which helps in the contraction. By alternating…
Q: Peristalsis is the wavelike, constant, and rhythmic alternating contractions and relaxations of…
A: Peristalsis is the rhythmic movement of the intestinal muscles which results in the movement of food…
Q: what does wave summation & treppe occur whe
A: Wave summation- In rapid successions, the stimulus is applied before the relaxation phase of the…
Q: Sherrinton proposed the law of reciprocal innervation in the muslces. Which of the following is the…
A: Reciprocal innervation This refers to the motor neuron activity principle, which explains that when…
Q: Which of these increases the least as a result of muscle hypertrophy?a. number of sarcomeres d.…
A: Muscle hypertrophy means increase in the size and strength of the muscles. This in turn results in…
Q: To demonstrate muscle fatigue, a student held an 8 lb dumbbell in her hand and abducted her arm…
A: Ans - the correct answer for the above question is- A) Different motor units were contracting while…
Q: The working part of the muscle is called: A. Head B. Belly C. Tendon D.…
A: A muscle is made up of muscle cell fibers encased in protective tissue and bundled with many more…
Q: Which of the following are involved interaction of myosin and actin? A. interaction between the…
A: Actin and myosin are the microfilaments which are involved in contraction of muscles. The troponin…
Q: Which of the following is true? A. Muscle fibers either will contract with all the force…
A: Introduction: Muscles are the soft tissues present in all mammals. The muscle cells comprise protein…
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A: MOTOR PROTEINS AND MICROTUBULES IN MUSCLE CONTRACTION Skeletal muscle myosin, which produces the…
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A: Isometric and isoconcentric
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A: There are two types of skeletal muscle fibers, fast-twitch and slow-twitch, and they each have…
Q: In general, fast-twitch fibers generate less power than slow-twitch fibers. A. True B. False
A: People have two general types of skeletal muscle fibers: slow-twitch (type I) and fast-twitch (type…
Q: Which of the following does NOT contribute to muscle fatigue? A. K+ accumulation B. ADP and…
A: Introduction Muscle fatigue is a condition in which muscles loses the ability to perform overtime.…
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- The firmness of rigor mortis ___. A. can be reduced by manipulation of the affected muscles and extremities B. will be removed by the application of heat to the muscles C. can only be released by the passage of time D. None of the aboveAll muscles attach to bone or connective tissue at no fewer than two points including an origin and insertion. Muscle contraction causes the _________ to move towards the __________. a. insertion; origin b. origin; origin c. origin; insertion d. insertion; insertion e. none of the aboveAponeuroses are extentions of connective tissue beyond muscle cells that attach the muscle to bone. A. True B. False
- Muscle tone A. is too high in children with Down syndrome. B. is lower than normal in the flexors of cats with decerebrate rigidity. OC. is mediated by the stretch reflex. OD. increases as a result of training, especially weightlifting. E. is treated with L-dopa.The action potential of skeletal muscle A. is not essential for contraction. B. is longer than the action potential of cardiac muscle. C. has a prolonged plateau phase. D. causes the immediate uptake of calcium ions into the lateral sacs of the sarcoplasmic reticulum. E. spreads inward to all parts of the muscle via the T tubules.Muscle contractions where the muscle shortens but tension remains constant are called A. isometric B. hypermetric C. hypotonic D. isotonic E. hypertonic
- During muscle contraction, binding sites for myosin are uncovered by the movement of A. Tropomysin B. Actin myofilaments C. ADP D. TroponinWhich of the following correctly lists the structures that make up a motor unit? a. motor neuron plus some of the muscle fibers it innervates b. motor neuron plus all of the muscle fibers it innervates c. motor neuron plus one of the muscle fibers it innervates d. all of the above e. none of the aboveOne of the primary reasons that one individual is faster in a 50-meter sprint than another is a. a greater number of muscle fibers of smaller diameter. b. more oxidative fibers in the lower limb muscles. c. an enhanced ability to deliver oxygen to the muscles. d. a greater percentage of fast-twitch fibers in the lower limb muscles.
- The names of the muscles can indicate all of the following, EXCEPT ___________. a.myofibril numbers of the muscle b.the direction of the muscle relative to the long axis of the body c.action of the muscle d.the region of the body where the muscle is located 2. An exocrine gland that loses small parts of its cell bodies during secretion, as is the case for the mammary gland, is further classified as a ____________ gland. a.Endocrine b.Merocrine c.Holocrine d.Apocrine28. The pairs of skeletal muscles are the prime mover and antagonist. A. True B. False ____ 29. Injury to the muscle tendon in front of the tibia is A. rotator cuff injury. B. shin splints. C. muscle atrophy. ____ 30. What is the lubricating substance that is secreted to reduce the friction of joint movement? A. amphiarthoses B. synovial fluid C. bursaeIncreased frequency of stimulation resulting in increased tension in a motor unit is A. recruitment B. spatial summation C. multiple motor unit summation D. temporal summation