Chaper 11 1. Define responsiveness‚ conductivity‚ contractility‚ extensibility‚ and elasticity. State why each of these properties is necessary for muscle function. a. Responsiveness- is a property of all living cells- Muscle and nerve cells have developed this property to the highest degree. When stimulated by chemical signals‚ stretch‚ and other stimuli‚ muscle cells respond with electrical changes across the plasma membrane. b. Conductivity- Stimulation of a muscle cell produces
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byproduct of motor unit recruitment‚ and for this lab we can examine these effects with aid of a finger pulse transducer and a bar stimulus electrode. The finger pulse transducer generates a force peak amplitude that displays the extent to which a muscular twitch responds to a nerve stimulus‚ and nerve frequency. Therefore‚ the purpose of this lab was to observe how the motor unit recruitment in contractile
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how it occurs‚ and ways to prevent such injury. Asdf asdfg afsg afg afg adfg adfg afg A dance piece is constituted with a variety of movements displayed by the human body. One of the primary functions of the skeletal system is to provide support and shape while the muscular system is to provide a range of movements by moving the different limbs of the body. Therefore‚ the kinesiology muscle of a dancer that directs the leg into amazing moves is complicated. The hamstring muscle group consist of
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junctions----------------------------------------------------- b. Describe cardiac tissue control (voluntary or involuntary). Involuntary c. Name cardiac tissue function (click the “Tissue Locations” button). Found in the wall of the heart in a muscular layer called the myocardium. 4. Click the “Skeletal Tissue.” a. Identify each of the following. Skeletal muscle fiber-------------- Nucleus-----
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Functions of Muscular System -Movement -Maintenance of posture and muscle tone -Heat production -Protects the bones and internal muscles Skeletal Muscle Distribution with Corresponding Contents .Upper Extremities ARM -Deltoid Muscles- The origin of this shoulder muscles is the lateral third of the clavicle and parts of the Scapula the intersection is on the Humerus. -Biceps-This is a major muscles of the upper arm.It originates on the humerus and insert on the radius. FOREARM -Brachialis-This
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problems with nerve-to-muscle signal transmission. Careful registration and study of electrical signals in muscles (electromyograms) can thus be a valuable aid in discovering and diagnosing abnormalities not only in the muscles but also in the motor system as a whole. Keywords – Electromyography‚ Motor neurons‚ electrical signals‚ Muscle dysfunction‚ diagnosing I. INTRODUCTION Electromyography (EMG)‚ the recording of electrical activity in muscle‚ should be regarded as an extension of the clinical
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Name mason____________________________________________________ Date______________________ Muscular System Webquest! STEP 1 – Go to http://www.kidshealth.org/kid/htbw/muscles.html 1. What are some examples of functions of your muscles? Lifting things 2. What are muscles made of? Elastic tissue 3. What are the 3 types of muscles? Smooth cardiac and skeletal 4. What is the difference between voluntary and involuntary control of muscles? Involuntary you have control and
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Lesson 36 Assignments Biology Muscles and the Skeleton Provide Action and Support Every movement you make or every step you take is controlled by the systems of muscles and skeleton that moves and supports the body. The human boy is a complex and elegant mechanism influenced my many factors. Both muscles and the skeleton are not only good for movement‚ they also influence crucial functions inside the body and the skeleton provides support in maintaining the body’s shape and it protects internal
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|cholesterol. | |Muscular Strength |The maximum Force able to exert |Create a resistance |The ability to lift heavier | | |by a single contraction of a |exercise. |objects or carry them longer. | | |muscle or muscle group. | | | |Muscular Endurance |The ability
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feel depressed‚ low in themselves and negative. Socially‚ reduced mobility could mean the reduction of friends and places to go and the dependence on others. Outcome 1.4 The benefits of maintaining and improving mobility include improved muscular strength and physical health fitness‚ greater independence as it becomes less necessary to rely on others for health and support needs‚ a better quality social life as there will be more opportunities to do different things and to take part in more
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