Ch05.ppt - Clinical Kinesiology and Anatomy 5th Edition...

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Copyright © 2011. F.A. Davis Company Clinical Kinesiology and Anatomy, 5th Edition Clinical Kinesiology and Anatomy, 5th Edition Chapter 5 Chapter 5 Muscular System Muscular System
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Copyright © 2011. F.A. Davis Company Clinical Kinesiology and Anatomy, 5th Edition Clinical Kinesiology and Anatomy, 5th Edition Muscle Attachments Muscle Attachments Tendon Musculotendinous junction May be a source of dysfunction Calf area
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Copyright © 2011. F.A. Davis Company Clinical Kinesiology and Anatomy, 5th Edition Clinical Kinesiology and Anatomy, 5th Edition Muscle Attachments Muscle Attachments Origin – more stable and mostly more proximal attachment Insertion – more moveable and mostly more distal attachment Reversal of muscle action Origin now moves toward the insertion Often occurs when distal end is fixed
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Copyright © 2011. F.A. Davis Company Clinical Kinesiology and Anatomy, 5th Edition Clinical Kinesiology and Anatomy, 5th Edition Categories of Muscle Names Categories of Muscle Names Location Shape Action Number of heads or divisions Attachments = origin/insertion Direction of the fibers Size of the muscle
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Copyright © 2011. F.A. Davis Company Clinical Kinesiology and Anatomy, 5th Edition Clinical Kinesiology and Anatomy, 5th Edition Muscle Fiber Arrangement Muscle Fiber Arrangement Parallel – fibers are longer and can produce more ROM Strap Fusiform Rhomboidal Triangular P. 44 Fig 5-6 Oblique – shorter, more numerous per area, potential for greater strength Unipennate Bipennate Mulipennate
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