Support and Movement

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Support and Movement

• Chapter 49

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Skeletal System
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Types of Skeletons

• Hydrostatic skeleton
• Exoskeleton
• Endoskeleton

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Functions of the Human Skeleton

• Movement
• Support
• Protection
• Hematopoiesis
• Storage

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CLASSIFICATION OF BONE
Shape
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CLASSIFICATION OF BONE
Location
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GROSS ANATOMY OFLONG BONES
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MICROSCOPIC ANATOMY OF COMPACT BONE
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Muscular System
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Types of Joints

• Fibrous joints
• Cartilaginous joints
• Synovial joints

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Joint Injuries

• Sprains
• Dislocations
• Bursitis
• Tendonitis
• Arthritis
• Synovitis

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Muscular System
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Interactions between Muscles
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Muscle Movements
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Muscle Movements
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Muscle Movements
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Muscle Movements
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Microscopic Anatomy of Muscle

• Muscle
• Fascicle
• Muscle cell (fiber)
• Myofibril
• Myofilaments (myosin and actin

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Microscopic Anatomy of Muscle

• Sarcolemma
• Sarcoplasmic reticulum
• T tubules
• Ca

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Role of Calcium in Muscle Contraction
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Sliding Filament Theory
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Neuromuscular Junction
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ATP for Contraction
ADP Pi
Pathway 1 Dephosphorylation Creatine Phosphate
relaxation
contraction
creatine
Pathway 2 Aerobic Respiration
Pathway 3 Glycolysis Alone
glucose from bloodstream and from glycogen break
down in cells
oxygen
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END OF TEST IV MATERIAL!!!