Skeletal Muscles- Contraction Prof. K. Sivapalan.

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Presentation transcript:

Skeletal Muscles- Contraction Prof. K. Sivapalan

Actin Filament June 2013Skeletal Muscle Contraction2

June 2013Skeletal Muscle Contraction3

Myosin Filament June 2013Skeletal Muscle Contraction4

Contraction June 2013Skeletal Muscle Contraction5

Sliding of Actin on Myosin June 2013Skeletal Muscle Contraction6

Muscle Twitch- Experimental Design June 2013Skeletal Muscle Contraction7

Muscle Twitch June 2013Skeletal Muscle Contraction8

Staircase Phenomenon June 2013Skeletal Muscle Contraction9

Summation June 2013Skeletal Muscle Contraction10

Tetanization June 2013Skeletal Muscle Contraction11

Length – Strength June 2013Skeletal Muscle Contraction12

Actin-Myosin Overlap and Tension Developed June 2013Skeletal Muscle Contraction13

Motor Units and Strength June 2013Skeletal Muscle Contraction14

Fast and Slow Fibers June 2013Skeletal Muscle Contraction15

Muscle Type and Response June 2013Skeletal Muscle Contraction16

Fiber Types SOFOGFG Colour [Myoglobin]Red White Myosin ATPaseSlowFast Ca ++ pumping outModerateHigh DiameterSmallLarge Glycolytic capacityModerateHigh Oxidative capacityHighModerateLow June 2013Skeletal Muscle Contraction17

Metabolism in Muscle June 2013Skeletal Muscle Contraction18

Electromyography- EMG June 2013Skeletal Muscle Contraction19

June 2013Skeletal Muscle Contraction20

Effects of Denervation June 2013Skeletal Muscle Contraction21