MUSCLE CONTRACTION

arcano345
Mind Map by arcano345, updated more than 1 year ago
arcano345
Created by arcano345 almost 5 years ago
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Description

descripción de la contracción del musculo y los diferentes tipos

Resource summary

MUSCLE CONTRACTION
1 events
1.1 electrical
1.2 mechanical
2 action potencial of the neuron from -70 to +30
2.1 is follow
2.1.1 by the action potencial of the muscle fiber 2msec from -90 to +30
2.1.1.1 that becomes into
2.1.1.1.1 contraction
2.1.1.1.1.1 Calcium is liberated from the RS
2.1.1.1.1.2
2.1.1.1.1.3 4 types
2.1.1.1.1.3.1 tetanus
2.1.1.1.1.3.1.1 complete
2.1.1.1.1.3.1.1.1 the contraction is equal until the fatigue starts
2.1.1.1.1.3.1.2 incomplete
2.1.1.1.1.3.1.2.1 the relaxation period is shorter and that makes the contraction stronger
2.1.1.1.1.3.2 graduated contractions
2.1.1.1.1.3.2.1 estimulate individual fibers and the force depends in how many fibers contract
2.1.1.1.1.3.3 summation
2.1.1.1.1.3.3.1 a secon charge instabtly after the first one tha prduce another contraction
2.1.1.1.1.3.4 espasmodic contraction
2.1.1.1.1.3.4.1 enough voltage to make the muscle contract an relax very fast
2.1.1.1.2 relaxation
2.1.1.1.2.1 action potencial should be suspended
2.1.1.1.2.2 calcium should return to the RS
2.1.1.1.2.3 ATP is needed for both
2.1.1.1.2.3.1 ATP works for 8 contractions
2.1.1.1.2.3.2 active Ca pumps
2.1.1.2 latent period
2.1.1.2.1 the time between the start of the first action potential to the start of the contraction phase
2.2 latent period
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