Staying fit is important. People think that one aspect of staying fit is to develop big muscles in their arms and legs. Some people would even take muscle builders or enhancers such as steroids so that they would have a well-muscled body. What would you say to a classmate who wants to stay fit? Would you emphasize the development of muscles to him or her? Why or why not?
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Staying fit is important. People think that one aspect of staying fit is to develop big muscles in their arms and legs. Some people would even take muscle builders or enhancers such as steroids so that they would have a well-muscled body. What would you say to a classmate who wants to stay fit? Would you emphasize the development of muscles to him or her? Why or why not?
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- Fill in the blanks. Fill in the blanks with the best term possible: This muscle type is striated and tubular, has many nuclei, and contracts voluntarily The muscle type found in internal organs like the stomach, is non-striated, has one nucleus, and contracts involuntarily The muscle type that is striated, tubular, and branched. It has one nucleus and contracts involuntarily This muscle twitch type is best for short bursts of power, but fatigued easily This muscle twitch type is most helpful for 'long- distance' type activities like jogging or swimming This muscle twitch type is good for short bursts of power, but more resistant to fatigue, training increases the proportions of these fibres The thin filament in a sarcomere The thick filament in a sarcomere This thin strand blocks the heads of the thick filament from binding with the thin filament of a sarcomereFlex your arm. Which group of muscles is contracting? Which group of muscles must relax so that you can flex your arm?VII. Real life problem. You are a trainer and are called on to the field where a player is down with a severe cramp of his right hamstring (biceps femoris) muscle. You know that cramps are caused by over-active motor nerve activity to the muscle. Your associates want to stretch the cramping hamstring, but you say, “No! I want the player to concentrate on contracting his right quadriceps muscles before we stretch.” 2. Why would contracting the opposing muscle rapidly improve the situation?
- II. Real life problem. You are a trainer and are called on to the field where a player is down with a severe cramp of his right hamstring (biceps femoris) muscle. You know that cramps are caused by over-active motor nerve activity to the muscle. Your associates want to stretch the cramping hamstring, but you say, “No! I want the player to concentrate on contracting his right quadriceps muscles before we stretch.” Why might stretching a cramping muscle INCREASE the cramping?Actin in action, muscle satisfaction. The movement of biceps require sarcomere . Select one: a. contradiction b. contraction c. election d. this is no correct option e. faction Next pageMuscle cells can stretch and contract. This is their specific cellular function. What type of molecule in muscle cells allow them to carry out this function Quizizz
- Muscles are made of ... silica polyester threads calcium and phosphorous groups of cells called fibresWhy is it important improve our muscular fitness?Anatomy and Physiology question. Please help! You likely noticed that subjects could not maintain their maximum grip strength for very longbut could maintain just above 50% grip strength for quite some time. In terms of muscle unitrecruitment and fatigue, explain why this is possible
- ngs. QUESTION 25 What is the difference between ballistic and proprioceptive neuromuscular facilitation (PNF)? Ballistic stretching involves moving quickly, bouncing, or using momentum to produce a stretch. This type of stretch is often viewed as necessary for sport movements and should be reserved for coaching and conditioning athletes and not used in general physical education. An example would be bouncing down repeatedly to touch the toes. Proprioceptive Neuromuscular Facilitation (PNF) is a static stretch using combinations of active and passive stretching techniques. This specialized static stretch uses a contraction-relaxation combination of movements, taking advantage of reflexes and neuromuscular principles to relax the muscles being stretched. Proprioceptive Neuromuscular Facilitation (PNF) involves moving quickly, bouncing, or using momentum to produce a stretch. This type of stretch is often viewed as necessary for sport movements and should be reserved for coaching and…Hardly needed.. 1. Which of the following is a possible way to distinguish between muscle types? A) Skeletal muscle can contract via peristalsis, while smooth muscle cannot. B) Skeletal muscle contraction depends on motor neuron stimulation, while cardiac muscle does not. C) Cardiac muscle cells are syncytial, while smooth muscle cells are not. D) Cardiac muscle contractions are regulated by influxes of calcium, while smooth muscle is not.Exercise increases MAP. True or False