Muscular System

Applied Exercise Physiology Section 5: Body Systems Topic 1: Muscular System Prepared by Mr. Cerny Niagara Wheatfield Senior High School

Types of Muscle ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Types of Muscle (con’t) Cardiac Smooth Skeletal

Skeletal Muscle ,[object Object]

Skeletal Muscle ,[object Object],[object Object]

Skeletal Muscle Structure ,[object Object],Cable wire c.s.

[object Object],Macrostructure Skeletal muscle c.s. 40x

Microstructure ,[object Object],[object Object],[object Object],[object Object]

Sliding-Filament Theory ,[object Object],[object Object],Calcium (Ca ++ ) Troponin Tropomyosin ATPase ATP Myosin Actin

Misc. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Where did the Ca ++ come from? ,[object Object],[object Object]

Nerves & Muscles ,[object Object]

Excitation-Contraction Coupling ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Muscle Fatigue ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Muscle Fatigue 1 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Specificity of Muscle Fiber Recruitment ,[object Object],[object Object]

Specificity of Muscle Fiber Recruitment ,[object Object],[object Object],[object Object],[object Object]

Muscle Types ,[object Object],[object Object],[object Object],[object Object],[object Object]

Muscle Types nonoxidative Few Sprinting /bursts No Few Fast Same (slightly more) Fast twitch (II) Oxidative Many Endurance Yes Many Slow Same (slightly less) Slow twitch (I) Oxidative / nonoxidative # capillaries Activity Resistance to fatigue # mit. Speed Force

Muscle Injury ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Muscle Strength ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Muscular System

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Muscular System