However‚ the increased bulk provided by the non-contractile elements will nevertheless produce a tangible impact on muscle size. An increase in the size of slow-twitch Type I fibers can also affect hypertrophy without having much effect on maximal muscular strength. Type I fibers are endurance-oriented fibers that have limited ability to produce high levels of force (McCardle et al. 2010). However‚ contrary to what some believe‚ Type I fibers do increase in size when subjected to a resistance training
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should be able to: 1. Describe the functions and structures of the muscular system including muscle fibers‚ fascia‚ tendons‚ and the three types of muscles. | 2. Recognize‚ define‚ spell‚ and pronounce the terms related to muscle movements and how muscles are named. | 3. Recognize‚ define‚ pronounce‚ and spell the terms related to the pathology‚ and diagnostic and treatment proceedures of the muscular system | THE MUSCULAR SYSTEM: In this module you will learn to recognize‚ define‚ spell
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changes mainly occur in the heart‚ lungs and muscles. This table shows the changes that occur in our body after long term exercise. Cardiovascular system Respiratory system Muscular system Skeletal system Energy systems Cardiac hypertrophy Increased vital capacity Hypertrophy Increase in bone strength Increased muscular stores for ATP and PC Lower resting heart rate Increased strength of respiratory muscles Increase in tendon strength Increased production of synovial fluid (movement around
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Laboratory – Muscle Physiology A. MUSCLE TONUS Observations‚ Report and Conclusion: A. Define muscle tonus and give its importance * Muscle tonus refers to a state of slight muscular contraction maintained by synchronous impulses of low frequency‚ discharged by the spinal motor neurons. * Reflex in nature. * Muscle tonus is a small amount of tension in the muscle due to weak‚ involuntary contractions of its motor units. Muscle tonus is important in a sense that it governs the
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coordination Dynamic Flexibility — The ability to quickly and repeatedly bend‚ stretch‚ twist‚ or reach out with your body‚ arms‚ and/or legs. Dynamic Strength — The ability to exert muscle force repeatedly or continuously over time. This involves muscular endurance and resistance to muscle fatigue. Explosive Strength — The ability to use short bursts of muscle force to propel oneself (as in jumping or sprinting)‚ or to throw an object. Extent Flexibility — The ability to bend‚ stretch‚ twist‚ or
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force found in comfortable organs of body accountable for growth like absorption of food etc. and Skeletal Muscles Are band under voluntary control‚ found connected to skeleton‚ produces large developments of body parts. The central function of the muscular arrangement is movement. Muscles are the individual tissue in the body that
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The Musculoskeletal System The Musculoskeletal System combines the skeletal system and the muscular system. All of the bones‚ cartilage‚ muscles‚ joints‚ tendons and ligaments in a person’s body compose what is known as the musculoskeletal system. The bones provide the body with a framework‚ giving it shape and support; they also serve as protection for internal organs such as the lungs and liver. Muscles are fibres that help to make deliberate movement of a body part or involuntary movement within
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3. How is ATP regenerated? 4. Summarize the role of ATP with regard to the following myosin head activities. a. energizing b. detaching Energy Sources 5. How long can stored ATP in a muscle cell fuel muscular activity? 6. Muscle cells must be able to generate additional molecules of ATP to continue contracting. Name three processes that achieve ATP regeneration. Creatine phosphate is used for short bursts of energy. Research the
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result of muscular imbalances‚ where a muscle is weak and its antagonist is strong. In addition‚ a lack of motor control within the lower extremity and core or an overall lack of strength that is unable to mobilize the load that is being lifted can also be attributed to these
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body systems are primarily affected and what physiological changes would you expect Joe and Frank to experience during such rigorous exercise? 1. The body systems that are primarily affected are the respiratory‚ circulatory‚ cardiovascular‚ and muscular systems. The changes that they would probably experience would be that their muscles would probably become fatigued because the heart would be working at its maximum level and they would be losing breath. 2. List the symptoms Joe is manifesting
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