introduction to myology dr anita rani professor anatomy kgmu dr anita rani professor anatomy kgmu
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Introduction to Myology
Dr Anita RaniProfessorAnatomyKGMU
Major functions of muscle
• Regulating movement• Stabilizing body positions• Movement of materials around body• Properties:
ExcitabilityContractilityExtensibilityElasticity
3 different types of muscle• Skeletal
– Move skeleton– Striated– Voluntary
• Cardiac– Striated– Involuntary– Autorhythmicity
• Smooth– Not striated– Usually involuntary– Some
autorhythmicity
Organization of a Muscle
Parts of a Muscle
Types of Skeletal Muscle
Types of skeletal Muscles
Muscle contraction
[A] Reflexive[B] Tonic[C] Phasic
Functions of muscles
Prime Mover
Fixators
Synergist
Antagonist
Applied Anatomy
• Muscle Dysfunction & Paralysis• Absence of muscle tone• Muscle Soreness or Pulled muscle• Growth & Regeneration of Skeletal muscle• Muscle testing ManualEMG• Hypertrophy of the myocardium• Myocardial Infarction• Hypertrophy & Hyperplasia of smooth muscles
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