There are several hypotheses about the causes of muscular fatigue. These include depleted muscle glycogen stores, ion imbalances (especially K+), and which other mechanism?

Question

Ramon Gay

Biology

9 December, 23:40

There are several hypotheses about the causes of muscular fatigue. These include depleted muscle glycogen stores, ion imbalances (especially K+), and which other mechanism?

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Turner Morrow · Answer 1

Causes of muscular fatigue

Explanation:

Elevated intracellular Ca2 + has amazingly negative impacts on the elements of subcellular organelles, for example, the ER and mitochondria, prompting weakened metabolic homeostasis. Conversely, mediations that square Ca2 + passage into cells not just improved insulin affectability and glucose homeostasis in stout subjects and diabetic patients yet in addition reestablished autophagy and insulin affect the ability in fat mouse models. In any case, the sub-atomic instruments that interface intracellular Ca2 + over-burden to insulin obstruction have not been totally clarified. Insulin-animated phosphoinositide 3-kinase (PI3K) catalyzes the phosphorylation of phosphoinositides (PIPs) at the 3-position to deliver PI (3,4) P2 or PI (3,4,5) P3, which select an assortment of flagging proteins with pleckstrin homology (PH) areas, including phosphoinositide-subordinate kinase 1 (PDK1) and protein kinase B (Akt).