stimulus of 0mA 2. What was the smallest current required to produce a contraction (the threshold current)? According to Table 1.1‚ the smallest current required to produce a contraction was 6.5mA 3. What was the smallest current required to produce the maximum (largest) contraction? 4. What happened to the number of fibers contracting as the current was raised from threshold to that required to produce a maximal contraction? 5. Why does varying the stimulus strength affect the twitch force
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1900’s Muscle Cars Introduction: How it all started from the beginning. The late 1900’s muscle cars and the great spike in 1900 muscle cars. I. Why are they so expensive? A. They have gone extinct B. They aren’t sold now in days C. There’s only a hand full of them left in the world II. How much would one cost to restore a 1900’s muscle car? A. Depends on how bad the car looks B. The model of the car C. If the parts of the car expensive to find III. Why do some late 1900’s muscle cars
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Chapter 6 The Skeletal System: Bones and Joints PART I * A born baby has about 276 bones while an adult has 206 bones‚ this is because as you grow some bones join together in a single bone. * Bones are 20% of your weight. * The Skeletal System consist of: * Bones * Cartilages * Tendons * Ligaments * Joints * Functions of the skeletal system -bones perform various anatomic (mechanical) & physiologic function. They: 1. Stabilize‚ provide shape & support the
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The Skeletal System The skeletal system is made up of bones‚ the joints where bones meet‚ and the connective tissues called cartilages that hold the bones together. The human skeleton is made up of 206 bones‚ and can be divided up into to two parts‚ the Axial Skeleton and the Appendicular Skeleton. (Adams et al.‚ pg. 4)(Boundless‚ 2013) Axial Skeleton The axial skeleton forms the main axis or core of the skeletal system. It consists of the skull‚ vertebral column‚ and thoracic cage. As noted by
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SKELETAL SYSTEM The Arctic wolf’s body is built for long-distance travel and withstand different types of weather than other wolves. The Arctic wolf’s skeleton system is made for them to run‚ jump‚ and catch their prey. The part of the wolf’s skeletal starts with the part of the body that has bones of the limbs‚ skull‚ and a deep chest. 1. The limbs of the wolf include the legs and toes. The wolf has long legs‚ large paws‚ and short toes. The wolf has five toes on the forefeet and four toes on
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Coro‚ Ph.D.‚ Associate Professor Department: Natural and Social Sciences‚ InterAmerican Campus Telephone: (305)-237-6742 Office: Room 1366 e-mail: fcoro@mdc.edu Course Description Description: This course will be a lecture based class to study the structure and function of some systems of the human body‚ emphasizing those aspects most pertinent to students in the nursing and allied
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Muscles attached to scapula: Levator scapulae origin is transverse processes of C1-C4‚ insertion at superior angle of scapula‚ it moves scapula and flexes neck. Pectoralis minor’s origin is ribs 3-5 and insertion at coracoid process of scapula‚ it depresses scapula and elevates ribs. Rhomboids Major and Rhomboids Minor’s origin at spinous processes T1-T4‚ insertion at medial border of scapula‚ they move scapula. Serratus anterior’s origin is at ribs 1-9‚ insertion is at medial border of scapula
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Muscles and the Sliding Filament Theory Outcomes (ALL) Give 2 examples of voluntary and involuntary muscle movements (MOST) Explain the purpose of the sliding filament theory (FEW) explain the key stages of the sliding filament theory (MOST) Give 4 examples of voluntary and involuntary muscle movements Recap of Muscles Remember skeletal muscle is under voluntary control It is also called striated muscle because of its striped appearance. Skeletal muscle fibres are large. They may
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The Skeletal System is the framework of the body‚ consisting of 206 bones as well as a network of tendons that is made of tough band of fibrous collagen tissue connecting a muscle to bone‚ ligaments connecting bones to joint and cartilage that allows some flexibility of movement. The skeletal system serves 4 functions: (1) Giving the body its shape (2) Protecting the vital internal organs (3) Allowing for movement (4) Storing minerals and producing blood cells The skeletal system has 6 basic components:
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and she has been experiencing muscle sorenss 24 to 72 hours after her initial workout. Tommy is a shot put athlete‚ who probably participates in advanced weight lifting workouts. Sarah thinks hyperplasia may be the cause of her severe muscle soreness. Hyperplasia is where the splitting of muscle fibers cell as a response to resistance training. Hyperplasia also allows for muscles to adapt to the resistance‚ and grow in size or increase in strength. Delayed onset muscle soreness is he a result of microscopic
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