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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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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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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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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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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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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reattachment. a. Integumentary b. Skeletal c. Muscular d. Nervous e. Cardiovascular 2. Within each system‚ list the names of the specific structures that had to be reattached. De specific! Go to the chapter on each system and identify the structures that you would find in the injured region. a. Integumentary- The hypodermis‚ dermis and epidermis‚ which is the skin‚ would all have to be reattached. b. Skeletal- The long bone called the humerus. c. Muscular- The Biceps brachii‚ triceps brachii‚ brachialis
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Biology 64 Instructor: Chooljian Lecture Exam #2 Review FIRST: Be sure to: Review the lecture notes and .pdfs Know all anatomical terms in chapters in boldface type and be able to define them Study the “Concept Check” at the end of each topic section in the text Skeletal System (Chapters 5-7) 1. What are the functions of the skeletal system? 2. Know the terminology for a long bone (epiphysis‚ etc.) 3. What is periosteum? Endosteum? What structures/cells can be
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taken. Exercise 1: Examining Skeletal Muscle Cells Observations Sketch the observed chicken skeletal muscle tissue and the muscle tissue from the prepared slide and label the sarcolemma and nuclei. Questions A. What muscular structures cause the striped or banded image seen in the chicken’s muscle tissue? The myofibrils are a series of alternating light and dark bands which give the striped appearance in the muscle cells. B. How are muscle cells different
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